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The Daily Cosmos or Interesting Facts about the Universe

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The Daily Cosmos or Interesting Facts about the Universe

Cosmology
Astrophysics
Astronomy

Location: #science
Members: 58
Latest Activity: Nov 14

 

Cosmology - Astrophysics - Astronomy

 

Hubble Wallpaper - Awesome Hubble Images

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Comment by Stephen on October 15, 2018 at 11:17pm

A Universe Not Made For Us (Carl Sagan on religion)

Comment by Stephen on October 11, 2018 at 2:07pm

Astronauts escape malfunctioning Soyuz rocket

A US astronaut and a Russian cosmonaut were forced to make an emergency landing after their Russian Soyuz rocket malfunctioned en route to the International Space Station (ISS).
Shortly after taking off from Baikonur Cosmodrome in Kazakhstan, Nick Hague and Alexey Ovchinin reported a problem with the rocket's booster.
The men were forced into a "ballistic descent", with their capsule landing a few hundred miles north of Baikonur.
They have been picked up by rescuers.
"The search and recovery teams have reached the Soyuz spacecraft landing site and report that the two crew members... are in good condition and are out of the capsule," US space agency Nasa said.
Russia said it was suspending any further manned flights, and an investigation into what went wrong had begun. 

https://www.bbc.co.uk/news/world-europe-45822845

Comment by Tom Sarbeck on October 8, 2018 at 12:58pm

The USA underestimated the Japanese before they destroyed much of America's Pacific fleet at Pearl Harbor. Their Admiral Isoroku Yamamoto warned of America's ability to recover.

Will the USA regain the lead again?

Comment by Mrs.B on October 7, 2018 at 5:28pm

Good pictures.

Comment by Stephen on October 7, 2018 at 5:21pm
Comment by Stephen on October 7, 2018 at 5:19pm

Hayabusa2 lands two rovers on asteroid Ryugu
This image was taken as one of the landers was deployed by Hayabusa2 just 60 metres above Ryugu's surface © JAXA

The Japanese space agency (JAXA) has landed two small robots on the surface of an asteroid, making history as the first mobile rovers ever to have done so.

http://www.nhm.ac.uk/discover/news/2018/september/hayabusa2-lands-t...

Comment by Doone has Fremdschämen on October 6, 2018 at 3:12pm

65% of your body is made of oxygen (by mass). All oxygen in our Solar System comes from exploding stars! 50% of the calcium & roughly 40% of the iron also come from these explosions, the rest is supplied by explosions of smaller, white dwarf stars! Source:

Comment by Mrs.B on October 5, 2018 at 12:51am

Well yeah, that 24/7 work life can be exhausting.

Comment by Stephen on October 4, 2018 at 11:38pm

Lockheed's concept moon lander can carry four astronauts

The huge spacecraft can chill for up to 14 days on the lunar surface.

Lockheed Martin has unveiled the designs for a reusable lander built to ferry four astronauts and 1.1 tons of cargo between lunar orbit and the surface of the moon. Leveraging tech from the aerospace giant's Orion spacecraft for deep-space missions, the 14-meter, single-stage vessel can camp for up to 14 days on the moon. Upon touchdown, the crew will use the craft's lift elevator platform to get from the cabin to the surface, before blasting back to their home base aboard the Lunar Orbital Platform-Gateway -- a small space station that NASA plans to start constructing in 2022.
With enough juice to last the full two weeks, refuelling would take place between missions, though the lander can also be powered up on the surface. The preliminary concept relies on four modified RL10 engines, but other engines could also be utilized.

Lockheed's vehicle would be be twice as tall as the Lunar Module used during the Apollo missions to the Moon nearly half a century ago, reports Ars Technica, which carried two astronauts for brief stints of just a few days. The company says it will also serve as a precursor for its Mars lander -- also built to carry four people -- which is integral to its Mars Base Camp orbiting mission.
Last December, Donald Trump signed off on a space policy directive that calls for NASA, along with its private partners, to send astronauts to the Moon and, "eventually," Mars. And Lockheed is one of the private sector companies vying to be part of the exploration program. The company claims its lunar lander will be ready by the late-2020s, according to Space.com.
"The Gateway is key to full, frequent and fast reusability of this lander," said Tim Cichan, space exploration architect at Lockheed Martin Space, who presented the lander concept at the International Astronautical Congress in Bremen, Germany. "Because this lander doesn't have to endure the punishment of re-entering Earth's atmosphere, it can be re-flown many times over without needing significant and costly refurbishment. That's a major advantage of the Gateway and of a modular, flexible, reusable approach to deep space exploration."

https://www.engadget.com/2018/10/04/lockheed-martin-reusable-lunar-...

Comment by Stephen on October 4, 2018 at 11:31pm

NASA activated Curiosity's second 'brain' after it misbehaved

Maybe it just wants a rest?

Tired? Sluggish? Wouldn't it be great if you could just switch your brain to a better functioning version? Well, that's a privilege you can enjoy if you're the Mars Curiosity rover. NASA's intrepid explorer has been subject to a few technical problems over the last two weeks, which means it's been struggling to send its data back to Earth, so engineers have decided to activate Curiosity's second brain.

Curiosity has two "brains" (computers), Side A and Side B. It landed on Mars in 2012 with Side A activated, but was switched to Side B after it started ignoring orders. Curiosity's deputy project manager explained in a post that NASA is operating on Side A starting today, "but it could take us time to fully understand the root cause of the issue and devise workarounds for the memory on Side B." It is possible for Curiosity to continue its mission using Side A, but the team intends to switch back to B as that side has a larger memory. To be fair, Curiosity has been trundling along for six years now. Maybe it just needs a strong coffee.

https://www.engadget.com/2018/10/04/nasa-activated-curiositys-secon...

 
 
 

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