Space - Phoenix finds ice and others

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Re: Space - Phoenix finds ice and others

Post by impar » Mon Jan 21, 2019 12:20 pm

Greetings!
The longstanding NASA-Russian partnership in space may be unraveling
Russia is less and less a space super power.

https://arstechnica.com/science/2019/01 ... nraveling/
System has four stars and a planet-forming disk oriented vertically
Orbital mechanics sometimes produces unusual results.

https://arstechnica.com/science/2019/01 ... its-poles/
Shaky rings help scientists measure Saturn’s days
Speedy planet
...
It was hard for researchers to figure out how long a day was on Saturn for a few reasons. First, the planet has an incredibly thick and rotating atmosphere, which obscured the inner surface. That’s usually not a huge problem. When they can’t see how fast a planet’s surface is spinning, astronomers can generally measure movements in its magnetic field to figure out what’s going on inside. But Saturn’s magnetic field is perfectly lined up with its axis, making its rotation very difficult to measure. Other researchers got estimates that were kind of close — 10 hours, 39 minutes or 10 hours, 48 minutes — but weren’t quite right.

Then, one of the co-authors, Mark Marley, figured out that researchers could use Saturn’s most distinctive feature to their advantage. Saturn’s rings are made of solid bits of ice and rock. As they orbit the planet, Saturn’s gravity tugs on them slightly. Those small tugs created waves that were measured by NASA’s Cassini spacecraft, and helped researchers pin down the length of Saturn’s day.
...
https://www.theverge.com/2019/1/18/1818 ... s-duration
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Re: Space - Phoenix finds ice and others

Post by impar » Mon Jan 28, 2019 8:58 pm

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New Horizons Sends A Sharper Images of Ultima Thule

https://www.hardocp.com/news/2019/01/25 ... ima_thule/
Rocket Report: A huge step back for Stratolaunch, a toppling Starship
"We need to work seriously in order to remain in the market."

https://arstechnica.com/science/2019/01 ... -starship/
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Re: Space - Phoenix finds ice and others

Post by impar » Thu Jan 31, 2019 12:43 pm

Greetings!
Watch SpaceX get very close to catching its rocket’s nose cone during a test
...
“Imagine you had $6 million in cash in a palette flying through the air, and it’s going to smash into the ocean,” Musk has said. “Would you try to recover that? Yes. Yes, you would.”
...
https://www.theverge.com/2019/1/30/1820 ... -net-catch
Los Alamos Wants To Slam a Spacecraft Into an Asteroid

Los Alamos National Laboratory, which is famous for its work on the Manhattan Project and other ventures related to national security, intends to work with NASA to test asteroid deflection strategies. According to the YouTube video they just uploaded, the organizations want to hit Didymoon, a small asteroid orbiting a larger one, with a probe, and see what happens. "DART" is expected to launch in 2020, and reach the asteroid sometime in 2022.

https://www.hardocp.com/news/2019/01/30 ... _asteroid/
Alphabet’s Loon sets its sights on the satellite industry
Satellite company Telesat will use Loon’s networking software to manage Low Earth orbit constellations

https://www.theverge.com/2019/1/31/1820 ... llite-deal
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Re: Space - Phoenix finds ice and others

Post by jpr » Thu Jan 31, 2019 12:45 pm

Didymoon..? :-s
No sig due to budget cuts.

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Re: Space - Phoenix finds ice and others

Post by impar » Sat Feb 02, 2019 9:54 am

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In new Starship details, Musk reveals a more practical approach
Goal is "to reach the Moon as fast as possible."
...
For example, Musk said, "Initially making one 200 metric ton thrust engine common across ship & booster to reach the Moon as fast as possible. Next versions will split to vacuum-optimized (380+ sec Isp) & sea-level thrust optimized (~250 ton)."

This comment is notable for a couple of reasons. First of all, the company appears to have decided to streamline the Raptor engine to a single design that will power both the rocket at liftoff, and the spaceship in the upper atmosphere and outer space. It will take less time to develop, test, and qualify a single engine. It will also cost less money.

Additionally, Musk notes that the goal is "to reach the Moon as fast as possible." The company still appears to be focused on lunar orbital flights, such as the #dearMoon project for Japanese businessman Yusaku Maezawa, as the first missions for Starship.

There is an added benefit to this approach: for the next two decades, NASA appears likely to be highly interested in developing infrastructure near and on the Moon. By flying Starship on early test flights to the same destination, SpaceX has a far greater chance to win government contracts for the delivery of cargo, and potentially astronauts, to the Moon.
...
https://arstechnica.com/science/2019/02 ... sts-first/
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Re: Space - Phoenix finds ice and others

Post by Tabajara » Mon Feb 04, 2019 11:52 am

impar wrote:
Thu Jan 31, 2019 12:43 pm
Greetings!
Watch SpaceX get very close to catching its rocket’s nose cone during a test
...
“Imagine you had $6 million in cash in a palette flying through the air, and it’s going to smash into the ocean,” Musk has said. “Would you try to recover that? Yes. Yes, you would.”
...
https://www.theverge.com/2019/1/30/1820 ... -net-catch
Seems like nobody told the captain to power down the engine...
They are almost there
Come put your overclock into good use at the nforcersHQ [email protected] team! :sweet:

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Re: Space - Phoenix finds ice and others

Post by impar » Wed Feb 06, 2019 10:46 am

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Chinese satellite captures stunning backside image of the Moon with Earth
Oh hello there, far side

Image

https://www.theverge.com/2019/2/5/18211 ... e-change-4
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Re: Space - Phoenix finds ice and others

Post by impar » Thu Feb 07, 2019 10:23 am

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French auditor says Ariane 6 rocket too conventional to compete with SpaceX
"This new launcher does not constitute a sustainable response."

France's independent state auditor, the Cour des comptes, has raised concerns about the viability of Europe's new rocket, the Ariane 6 launcher. In its 2019 annual report, the auditor said the France-based launch company Arianespace is also being too cautious as it grapples with competitors like the US-based SpaceX.

https://arstechnica.com/science/2019/02 ... th-spacex/
After making history, NASA’s tiny deep-space satellites go silent
But they already went above and beyond expectations

The first two tiny satellites to ever go interplanetary have fallen silent in deep space for some unknown reason, and it’s likely we may never hear from them again. But for NASA, which launched the probes last year, this loss of communication isn’t considered a failure. Before the pair went quiet, these vehicles demonstrated that tiny satellites could become critical tools for exploring other worlds deep within our Solar System.

https://www.theverge.com/2019/2/6/18213 ... ons-silent
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Re: Space - Phoenix finds ice and others

Post by impar » Mon Feb 11, 2019 12:50 pm

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New pictures from NASA’s New Horizons show a pancaked peanut

https://www.theverge.com/2019/2/9/18217 ... ke-snowman
New images of the distant Ultima Thule object have surprised scientists
"The new images are creating scientific puzzles."

Image

https://arstechnica.com/science/2019/02 ... n-snowman/
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Re: Space - Phoenix finds ice and others

Post by impar » Tue Feb 12, 2019 10:15 am

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After a remarkable resurrection, Firefly may reach space in 2019
"They said 'Screw it, let’s just do it and go to space.'"

https://arstechnica.com/science/2019/02 ... pirations/
NASA has taken a significant step toward human landings on the Moon
Traditional aerospace powers as well as newer companies like SpaceX are likely to bid.

https://arstechnica.com/science/2019/02 ... -landings/
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