Space technology

Astronomy Picture of the Day​

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2024 October 2
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The Large Magellanic Cloud Galaxy
Image Credit & Copyright: Ireneusz Nowak; Text: Natalia Lewandowska (SUNY Oswego)
Explanation: It is the largest satellite galaxy of our home Milky Way Galaxy. If you live in the south, the Large Magellanic Cloud (LMC) is quite noticeable, spanning about 10 degrees across the night sky, which is 20 times larger than the full moon towards the southern constellation of the dolphinfish (Dorado). Being only about 160,000 light years away, many details of the LMC's structure can be seen, such as its central bar and its single spiral arm. The LMC harbors numerous stellar nurseries where new stars are being born, which appear in pink in the featured image. It is home to the Tarantula Nebula, the currently most active star forming region in the entire Local Group, a small collection of nearby galaxies dominated by the massive Andromeda and Milky Way galaxies. Studies of the LMC and the Small Magellanic Cloud (SMC) by Henrietta Swan Leavitt led to the discovery of the period-luminosity relationship of Cepheid variable stars that are used to measure distances across the nearby universe.
 
QuadroK4000 said:
Extrapolate

For example why will those dudes land on earth in Feb?

I would imagine it's supposed to be a free fall at 10m/s

:)
Click to expand...
They have to be enjoined in other missions, space sio ocha mahali unaamka unarudi, it is expensive...every rocket is built with a purpose, and there was no consideration of two unexpected passengers anywhere...

For the spaceX mission, two astronauts had to give up their seats to make room for the two stranded astraunuts to make it back in the February return trip
 
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