News tagged with mass

First light for MAVEN (w/ Video)

After 10-month voyage across more than 400 million miles of empty space, NASA's MAVEN spacecraft reached Mars on Sept. 21st 2014. Less than 8 hours later, the data started to flow.

Oct 13, 2014
4.7 / 5 (3) 0

What is the upper limit for massive stars?

Yesterday I mentioned that hypernovae (super-supernovae) are the result of the explosion of a star that's about as massive as a star can be (about 150-200 solar masses). But how exactly do we know that t ...

Oct 07, 2014
4.9 / 5 (55) 23

How small can galaxies be?

Yesterday I talked about just how small a star can be, so today let's explore just how small a galaxy can be. Our Milky Way galaxy is about 100,000 light years across, and contains about 200 billion stars. Th ...

Sep 29, 2014
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