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Old November 6th, 2019, 10:50 AM   #4861
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Quote:
Originally Posted by city of the future View Post
I feel like we are going back in time with this thread. Rocket launch after Rocket launch, 60-year-old technology that needs to be phased out.
Yes, slow progress. Too slow. By now we should have all kind of space colonies on moon and Mars. Current development should be around interstellar travel with anti matter drive and warp technology. Not Tintin type of moon rocket. Feels like Middle Ages were horse remains main transport for centuries and centuries.
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Old November 8th, 2019, 03:16 PM   #4862
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NASA scientists opened an untouched rock and soil sample from the Moon returned to Earth on Apollo 17, marking the first time in more than 40 years a pristine sample of rock and regolith from the Apollo era has been opened. It sets the stage for scientists to practice techniques to study future samples collected on Artemis missions. (Photo/Agencies)





The sample, opened Nov. 5, in the Lunar Curation Laboratory at the agency’s Johnson Space Center in Houston, was collected on the Moon by Apollo 17 astronauts Gene Cernan and Jack Schmitt, who drove a 4-centimeter-wide tube into the surface of the Moon to collect it and another sample scheduled to be opened in January. The sample was opened as part of NASA’s Apollo Next-Generation Sample Analysis (ANGSA) initiative, which is leveraging advanced technologies to study Apollo samples using new tools that were not available when the samples were originally returned to Earth.
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Old November 10th, 2019, 03:56 PM   #4863
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one of my favorite infographics channel on youtube just did a video on neutron stars
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Old November 12th, 2019, 09:19 AM   #4864
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The location is really close to the equator, it will minimize the energy needed to launch a rocket and could have an economic (and greener) advantage for the future rocket launch compared to the other existing launch sites.

Indonesia to build the nation's first spaceport in Papua
Nov 12, 2019
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Indonesia plans to construct its first spaceport in Biak, Papua, to serve as the location of the country’s rocket test launches, the National Institute of Aeronautics and Space (LAPAN) has confirmed.

“We will build [the spaceport] just like LAPAN’s rocket launch site we have in South Garut [West Java]. However, it will be bigger so that it can be used for larger rocket test launches,” LAPAN flight and aerospace study center head Robertus Heru Trijahyanto said.

Biak was chosen as the place to build the new spaceport because the regency’s vast area was deemed ideal to support LAPAN’s plan to do a larger rocket test launch in 2024, he said.
...
LAPAN can already make satellites on its own. The next target is to launch a satellite with our own rockets that we made and a spaceport inside Indonesia,” Thomas said.
...
“We expect that the first stage of construction will finish before 2024 to facilitate rocket test launches that we will develop gradually,” Thomas said.

The spaceport, he said, would be constructed with the help of international partnerships.

A study was carried out to select the location of the would-be spaceport among three candidates, namely Biak, Morotai Island in North Maluku and Enggano Island in Bengkulu.

“Finally, in a 2018 coordination meeting with several ministries, LAPAN chose Biak as the location of the spaceport,” Thomas said.

LAPAN prepared 100 hectares of land in North Biak in the 1980s. Biak is considered ideal because it is close to the equator and its eastern coast faces the Pacific Ocean.

He said the rocket launch site in Garut was only for statistical tests and small rocket launches. (ami)


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Old November 12th, 2019, 04:08 PM   #4865
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This SpaceX video grab image shows SpaceX's first operational Starlink during launch on a reused Falcon 9 on November 11, 2019 at Cape Canaveral, Florida. The private SpaceX company on Monday launched a second set of mini-satellites as it builds a huge constellation of the small orbiting devices aimed at greatly expanding internet access around the globe. A Falcon-9 rocket launched from Cape Canaveral, Florida, placed 60 mini-satellites in orbit, joining 60 others launched in May. (Photo/Agencies)



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Old November 12th, 2019, 08:17 PM   #4866
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Originally Posted by goschio View Post
Yes, slow progress. Too slow. By now we should have all kind of space colonies on moon and Mars. Current development should be around interstellar travel with anti matter drive and warp technology. Not Tintin type of moon rocket. Feels like Middle Ages were horse remains main transport for centuries and centuries.
I think space travelling is completely ridiculous and unnecessary. I like Star Trek and Star Wars (from the seventies and eighties ).

But in my opinion it is very decadent to spend so much money for those trips. Bezos and Musk should rather play with Lego toys. Or make a therapy.

As well as nobody wants to live in space. Even if we had wonderful circumstances on our planet without wars, burning forests and people dying of hunger space travelling would be very decadent and pathologic. Everybody knows that it's impossible to visit other planets with intelligent life on it.

We should accept that the mankind is the only intelligent species in the whole universe.

In my opinion the belief in extraterrestrial intelligent life is just a sort of modern religion.

We should rather think about the question why our universe is "constructed" so completely absurd and irrational in its dimensions. I think the universe is a big statement: You are nothing as a material entity. But there is a certain evidence that there could be an immaterial dimension of life.

And even this huge amount of materia in space is in a certain way just an illusion if you a have a look at microcosm.

This universe (in its genesis) is so absurd and our life too that I can nothing else than understand it as a big deception or theatre.

The simple fact that we will probably never be able to visit even the next star proxima centauri which is about four light years away should make us wiser and concentrate on our problems on earth.

Perhaps anybody here can tell us the relations between the way to Mars and the way to proxima centauri. I think space travelling is a kind of modern megalomania or hybris.

Who cares about life on Mars when so many lives on earth are so precarious and miserable?
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Old November 12th, 2019, 08:49 PM   #4867
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By the way, I‘ve searched for the distances between Earth-Mars and Earth-Alpha Centauri.

When I looked right the distance to Mars is about 370 millions of kilometres.
The distance from Earth to Alpha centauri is about 40 trillions of kilometres.

So the distance to the next star is about 100.000 times as much as from Earth to Mars.

What a funny perspective.

Think about the challenge of going to Mars. With human beings. Nobody knows if we manage to go to Mars. I think it will be very difficult and it won‘t have the enchantment of the Apollo missions.

We should accept that it‘s impossible to leave our sun system with human beings.

And we should ask ourselves why we seem to need such enterprises.
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Old November 13th, 2019, 03:47 AM   #4868
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Quote:
Originally Posted by Insulaner View Post

The simple fact that we will probably never be able to visit even the next star proxima centauri which is about four light years away should make us wiser and concentrate on our problems on earth.

Perhaps anybody here can tell us the relations between the way to Mars and the way to proxima centauri. I think space travelling is a kind of modern megalomania or hybris.

Who cares about life on Mars when so many lives on earth are so precarious and miserable?
Proxima Centauri seems to have a planet around its habitable zone that makes people want to check it out. Unfortunately its also a Red Dwarf which carries a lot of risk. However the other two stars in the Alpha Centauri system are nearly the same size as our Sun, and might have similar planets as ours.

I believe with certain technologies we have right now, it might be possible to reach these stars in about 75 years. The problem is payload size and getting the vehicle to stop.

Beyond the Alpha Centauri system, there are the Wise stars and Barnard's star but they are not as interesting as they are red dwarves. Since these are about 6-8 light years away, they are considered within our neighborhood.

As for the rationale for studying space..

there are a lot of reasons
- It can give us insight about what can happen to Earth by studying other places
- Its needed for economical purposes such as satellites, the effects of solar flares on communications, etc
- its needed to understand weather
- There is always an ongoing, strong human curiosity over the meaning of life, and by finding life elsewhere, some hopes it will help them understand that meaning

No one is saying to de-invest in education and social welfare and other things for the sake of space.
You can increase taxes, donation, or cut spending in other areas like wars and such.
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Old November 13th, 2019, 05:18 PM   #4869
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The Jilin-1 Gaofen 02A, which belongs to the Jilin-1 satellite family, is launched by Kuaizhou-1A (KZ-1A), a carrier rocket at 11:40 a.m. (Beijing Time) from the Jiuquan Satellite Launch Center in Guansu Province, Nov. 13, 2019. (Photo/China News Service)
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Old November 14th, 2019, 03:16 AM   #4870
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https://www.bbc.com/news/world-asia-50403272

Hayabusa-2: Japan spacecraft leaves asteroid to head home

Quote:
Japan's Hayabusa-2 spacecraft has departed from a faraway asteroid and begun its yearlong journey back to Earth.
The spacecraft left its orbit around Ryugu on Wednesday with samples of the asteroid in tow.
Hayabusa-2 is expected to return to Earth in late 2020, completing its successful multi-year mission.
Japan's space agency, Jaxa, said the collected samples could shed light on the origins of the Solar System.
Hayabusa-2 first launched in 2014. Three and a half years later, it reached the asteroid Ryugu, located about 300 million km (190 million miles) from Earth.
Following its arrival in June 2018, the spacecraft made touchdowns twice, collecting data and rock samples from the Ryugu - a primitive space rock leftover from the early days of the Solar System
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Old November 14th, 2019, 05:20 PM   #4871
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Zhang Rongqiao, chief architect of the Mars mission, speaks at the trial ground of an experiment for landing on Mars in Huailai County, north China's Hebei Province, Nov. 14, 2019.









Photos taken on Nov. 14, 2019 shows the trial ground of an experiment for landing on Mars in Huailai County, north China's Hebei Province.

China on Thursday unveiled an experiment simulating the process of a probe hovering, avoiding obstacles and descending to land on Mars. China plans to launch the Mars probe in 2020, aiming to complete orbiting, landing and roving in one mission, an unprecedented achievement, according to the China National Space Administration. How to safely land on Mars is one of the biggest challenges facing the mission. The experiment simulated the gravity of Mars, about one-third of the gravity on Earth, to test the design of the lander. (Xinhua/Jin Liwang)
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Old November 15th, 2019, 12:15 AM   #4872
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NASA gives Ultima Thule a new official name!

The far-flung solar system body is now called "Arrokoth", the Powhatan Tribe name for ‘sky’.

https://www.sciencenews.org/article/...-name-arrokoth
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Old November 16th, 2019, 10:58 PM   #4873
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I believe with certain technologies we have right now, it might be possible to reach these stars in about 75 years. The problem is payload size and getting the vehicle to stop.
Don't you think it's a kind of infantile hybris to dream of such a journey? What is the benefit of such a journey? Is it really worth it?

I think it's very inhumane and megalomaniac. A thirty-year-old man wouldn't experience the end of this journey. Do you want pregnant women to travel to Alpha Centauri?

Wouldn't it be better to accept that we won't leave our sun system with human beings?

I can't see a meaning in such journeys. But I can understand that we explore the near space with unmanned vehicles.

The only point I emphasize is the psychopathologic dimension of such dreams and phantasies. I think people who dream of such journeys don't want to see the reality.

Quote:
As for the rationale for studying space..

there are a lot of reasons
- It can give us insight about what can happen to Earth by studying other places
- Its needed for economical purposes such as satellites, the effects of solar flares on communications, etc
- its needed to understand weather
- There is always an ongoing, strong human curiosity over the meaning of life, and by finding life elsewhere, some hopes it will help them understand that meaning
Yes, but it wouldn't matter if we don't understand the genesis of life, if we don't find life elsewhere and so on. That's the point. There is no necessity.

I don't say that space travelling is meaningless as a whole. Let's call it smart space travelling what I mean. Here around the earth there are meaningful challenges and exercises for space flight.

But that's it. We will never get contact to extraterrestrial intelligent life and there is probably no such life.

Everybody has like Goschio the right to dream the Star Trek dream but in my opinion it is completely infantile and unrealistic. The techniques you mentioned must be put into orbit and they have to work over decades.

It would actually be a journey to hell concerning all the risks.

I think it is our actuall challenge of today to accept that we were naive and didn't grasp that we are captured on our earth and that there is obviously a higher will behind it.
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Old November 17th, 2019, 12:13 AM   #4874
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NASA astronaut Jessica Meir trims leaves and harvests a crop of Mizuna mustard greens grown inside the International Space Station. (Photo/Agencies)



NASA astronaut Christina Koch collects and packs Mizuna mustard greens grown and harvested inside the International Space Station on November 13th. (Photo/Agencies)



NASA astronauts (from left) Jessica Meir and Christina Koch harvest a crop of Mizuna mustard greens grown inside the International Space Statio'sn Veggie botany facility located in the Columbus laboratory module. (Photo/Agencies)



Mizuna mustard greens are growing aboard the International Space Station to demonstrate the feasibility of space agriculture to provide fresh food for crews on deep space missions. (Photo/Agencies)
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Old November 17th, 2019, 03:17 AM   #4875
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Quote:
Originally Posted by Insulaner View Post
Don't you think it's a kind of infantile hybris to dream of such a journey? What is the benefit of such a journey? Is it really worth it?

I think it's very inhumane and megalomaniac. A thirty-year-old man wouldn't experience the end of this journey. Do you want pregnant women to travel to Alpha Centauri?

Wouldn't it be better to accept that we won't leave our sun system with human beings?

I can't see a meaning in such journeys. But I can understand that we explore the near space with unmanned vehicles.

The only point I emphasize is the psychopathologic dimension of such dreams and phantasies. I think people who dream of such journeys don't want to see the reality.



Yes, but it wouldn't matter if we don't understand the genesis of life, if we don't find life elsewhere and so on. That's the point. There is no necessity.

I don't say that space travelling is meaningless as a whole. Let's call it smart space travelling what I mean. Here around the earth there are meaningful challenges and exercises for space flight.

But that's it. We will never get contact to extraterrestrial intelligent life and there is probably no such life.

Everybody has like Goschio the right to dream the Star Trek dream but in my opinion it is completely infantile and unrealistic. The techniques you mentioned must be put into orbit and they have to work over decades.

It would actually be a journey to hell concerning all the risks.

I think it is our actuall challenge of today to accept that we were naive and didn't grasp that we are captured on our earth and that there is obviously a higher will behind it.
A the moment we don't have the technology to travel to the stars, you are right. But in the future this can change. And why not go there if we had the technology to do it?

Also keep in mind to travel 5 light years to the next star, you don't actually need 10 or 20 years. It can be done in a year or less. And absolutely no need to use unrealistic faster than light speeds (not possible anyway).

For example to travel 5ly at 95% of c you only need 2 years. At 98% its only 1 year and at 99.9% its only 3 months. If you go even closer to c, travel time goes down to weeks, hours and even minutes. At 99.999% of c it would only take 8 days. So yes, with the right technology, the stars are in our reach. This is a consequence of relativity and time dilation.
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Old November 18th, 2019, 02:30 PM   #4876
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Two global multimedia satellites, KL-a-A and KL-a-B, are launched by a Kuaizhou-1A (KZ-1A) carrier rocket from the Jiuquan Satellite Launch Center in Jiuquan, northwest China's Gansu Province, Nov. 17, 2019. (Photo/Ma Chongpeng)
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Old November 18th, 2019, 02:39 PM   #4877
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CAPE CANAVERAL, FL, UNITED STATES
10.27.2019. Courtesy Photos by the 45th Space Wing Public Affairs.

The X-37B landed at NASA's Kennedy Space Center, Oct. 27, 2019.








WASHINGTON (AFNS) --
The Air Force’s X-37B Orbital Test Vehicle Mission 5 successfully landed at NASA’s Kennedy Space Center Shuttle Landing Facility Oct. 27, 2019, at 3:51 a.m.

The spaceplane conducted on-orbit experiments for 780 days during its mission, recently breaking its own record by being in orbit for more than two years. As of today, the total number of days spent on-orbit for the entire test vehicle program is 2,865 days.

“The X-37B continues to demonstrate the importance of a reusable spaceplane,” said Secretary of the Air Force Barbara Barrett. “Each successive mission advances our nation’s space capabilities.”
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Old November 22nd, 2019, 01:18 AM   #4878
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https://arstechnica.com/science/2019...K5du7Fi33x1eAg

New map shows the strange terrain of Titan
Global map breaks landscape down into 6 categories.

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Old November 22nd, 2019, 05:36 AM   #4879
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Originally Posted by Insulaner View Post
I think space travelling is completely ridiculous and unnecessary. I like Star Trek and Star Wars (from the seventies and eighties ).

But in my opinion it is very decadent to spend so much money for those trips. Bezos and Musk should rather play with Lego toys. Or make a therapy.

As well as nobody wants to live in space. Even if we had wonderful circumstances on our planet without wars, burning forests and people dying of hunger space travelling would be very decadent and pathologic. Everybody knows that it's impossible to visit other planets with intelligent life on it.

We should accept that the mankind is the only intelligent species in the whole universe.

In my opinion the belief in extraterrestrial intelligent life is just a sort of modern religion.

We should rather think about the question why our universe is "constructed" so completely absurd and irrational in its dimensions. I think the universe is a big statement: You are nothing as a material entity. But there is a certain evidence that there could be an immaterial dimension of life.

And even this huge amount of materia in space is in a certain way just an illusion if you a have a look at microcosm.

This universe (in its genesis) is so absurd and our life too that I can nothing else than understand it as a big deception or theatre.

The simple fact that we will probably never be able to visit even the next star proxima centauri which is about four light years away should make us wiser and concentrate on our problems on earth.

Perhaps anybody here can tell us the relations between the way to Mars and the way to proxima centauri. I think space travelling is a kind of modern megalomania or hybris.

Who cares about life on Mars when so many lives on earth are so precarious and miserable?

Someone once said that Ignorance is a bliss. Did You know that almost everything we enjoy is thanks to space exploration? Computer Microchips, Cat Scan, Camera Phone, LED, Land mine removal, Athletic shoes, Water Purification system, Ear Thermometer, Wireless headset, Memory foam, Smoke detector, Baby formula, Computer mouse, Laptop, Food Safety (HACCP), Cochlear Implants, Invisible Braces, Speedo LZR Racer Swimsuits, Artificial Limbs and over 17,000 more inventions that came from NASA alone.

What we need is more investment in space exploration, not less. For every $1 US dollar in space exploration, the US got back $20 dollar in return.
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Old November 22nd, 2019, 05:49 AM   #4880
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By the way, I‘ve searched for the distances between Earth-Mars and Earth-Alpha Centauri.

When I looked right the distance to Mars is about 370 millions of kilometres.
The distance from Earth to Alpha centauri is about 40 trillions of kilometres.

So the distance to the next star is about 100.000 times as much as from Earth to Mars.

What a funny perspective.

Think about the challenge of going to Mars. With human beings. Nobody knows if we manage to go to Mars. I think it will be very difficult and it won‘t have the enchantment of the Apollo missions.

We should accept that it‘s impossible to leave our sun system with human beings.

And we should ask ourselves why we seem to need such enterprises.
The minimum distance from the Earth to Mars is about 54.6 million kilometers. The farthest apart they can be is about 401 million km. The average distance is about 225 million km.

Its important to colonize others planets because life on earth is not forever. Extinction is the norm, not the other way around. The only way to survive this reality is traveling to others places.

It maybe impossible for people like you, but in 100, 200, 500 years it will be feasible. They said that Human would never fly, they even said that motor vehicle was impossible.

If we can develop some type of warp drive engine, will can travel to Alpha Centauri in 3 days (or less).. Miguel Alcubierre discovered that the Wrap drive theory can be real under Einstein relativity. In short, the Alcubierre Metric allows for FTL travel without violating the laws of relativity in the conventional sense.

While the concept was generally dismissed for being entirely theoretical and highly speculative, it has had new life breathed into it in recent years. The credit for this goes largely to Harold "Sonny" White, the Advanced Propulsion Team Lead for at the NASA Johnson Space Center's Advanced Propulsion Physics Laboratory (aka. "Eagleworks Laboratory").

While the field is still in its infancy, there have been a number of recent developments that have helped. For example, the discovery of naturally occurring gravitational waves (GWSs) by LIGO scientists in 2016, which both confirmed a prediction made by Einstein a century ago and proves that the basis for the warp drive exists in nature.
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