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Physics and astronomy thread (2 Viewers)

Sorry if a honda...watched a great episode of NOVA last night explaining the development of Perseverance and some of the critical issues they addressed such as how do you fly a drone in atmosphere that is 1/100th of earth, developing ability to create oxygen for future mission as the fuel to blast off to return to earth, developing ability to determine where to land, how to process/store the core samples and the main objective of looking for signs of "life".

 
Phil Elliott said:
Sorry if a honda...watched a great episode of NOVA last night explaining the development of Perseverance and some of the critical issues they addressed such as how do you fly a drone in atmosphere that is 1/100th of earth, developing ability to create oxygen for future mission as the fuel to blast off to return to earth, developing ability to determine where to land, how to process/store the core samples and the main objective of looking for signs of "life".
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What i can't figure out is why they don't build and send 3 or 10 at a time.  Economies of scale here, people. 

 
News conference tomorrow to update status of Percy.

Sounds like they've been running checks of all systems,...just flexed the robot arm. Should be interesting.

 
El Floppo said:
Artemis 1 is supposed to head to the moon to orbit and set up the planned 2024 manned trip back to the moon. All of conditional at this point on budget vis a vis the pandemic and new administration.
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Biden team has approved the program continuing, thankfully. Will set a more realistic timeline than the overly aggressive/optimistic 2024 for boots on the moon.

Still looking to send the unmanned orion space craft around the moon and back, with several payloads of instruments in place for future manned trips. Might happen this year.

 
You think about how far stars are apart in general.

The chances of two stars colliding seems statistically small. The chances of two black holes colliding has to be nearly impossible, doesn't it? Unless a pair of binary stars went black hole simultaneously? And then what are the chances of THAT?

 
El Floppo said:
El Floppo said:
Artemis 1 is supposed to head to the moon to orbit and set up the planned 2024 manned trip back to the moon. All of conditional at this point on budget vis a vis the pandemic and new administration.
Click to expand...
Biden team has approved the program continuing, thankfully. Will set a more realistic timeline than the overly aggressive/optimistic 2024 for boots on the moon.

Still looking to send the unmanned orion space craft around the moon and back, with several payloads of instruments in place for future manned trips. Might happen this year.
Click to expand...
Artemis SLS rocket booster had a successful test burn today.

 
Images of the magnetic fields around a black hole and a jet from a star.  

Those are two of the most mind blowing images I've ever seen from a telescope.  Utterly in awe of these.

 
Last edited by a moderator:
Ingenuity is fully unfolded under Percy and getting ready to drop roughly 5" to the ground and power up it's solar panels. Flight might be within the next week or two if all goes right (needs to drop and not fall over).

This is a proof of concept experiment...so it will just be hovering about 10' up for 30 or so seconds. I think it has a camera, but not sure they have other plans.

 
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