Astronomy Weekly Newsletter

Astronomy newsletter

Top new questions this week:

Is it possible to witness a star's death?

Given that the stars' distances to Earth are measured in light-years (for example, Sirius is 8.6 light-years away from Earth), what we are seeing as Sirius now is actually its state 8.6 years ago, ...

star supernova stellar-evolution  
asked by halilpazarlama 8 votes
answered by Wayfaring Stranger 12 votes

How is a non-rotating black hole created

How are non-rotating black holes formed? I guess that non-rotating black holes are formed from non-rotating stars but I couldn't find any proof that such a star exists on the internet. If this is ...

black-hole  
asked by CipherBot 5 votes
answered by Rob Jeffries 4 votes

Were parts of the Universe deflating during Inflation?

I was reading about the history of the early universe in Carroll & Ostlie and specifically looking at Inflation, which, as I understand, occurred because our [observable] part of the universe ...

cosmological-inflation  
asked by Nathan Stock 4 votes

Is the Astronomy community still concerned about the lumpyness of matter distribution in the universe?

A decade or so ago, when I was still a science undergrad, one of the open questions in astrophysics was to explain the uneven distribution of galaxies in the observable universe. That is, why did the ...

cosmology galactic-dynamics  
asked by John F. Miller 3 votes
answered by bax 0 votes

Ultra Low Cost Telescope Project

A few years or so ago there was a project that distributed small very low cost telescopes (perhaps around US$20). What was the name of (and links to) that project?

telescope  
asked by Dennis Williamson 3 votes
answered by Florin Andrei 3 votes

The dark side of the moon

I encountered this statement that the dark side of the moon is hidden from our sights. Could someone please explain?

moon natural-satellites satellite  
asked by user2511145 2 votes
answered by Daniel Lenz 6 votes

International Space Station

Recently, I have been going out to observe the ISS when it is within sight of my location. I have noticed that the ISS, based on the time that I have to observe the space station during any given ...

amateur-observing  
asked by user8061 2 votes
answered by Joan.bdm 0 votes

Greatest hits from previous weeks:

Did atoms in human body indeed come from stars?

I think I am not alone who saw videos about that we (humans) are made of same atoms which someday were in stars. In other words, some atoms in our bodies are from stars which exploded billions of ...

star  
asked by user1880405 7 votes
answered by stevenvh 8 votes

Which is more rare: Lunar eclipse or Solar eclipse?

Which is more rare: Lunar eclipse or Solar eclipse? Please explain why either one is more rare than the other. Thank you in advance for your inputs.

fundamental-astronomy solar-eclipse lunar-eclipse  
asked by John Smith 2 votes
answered by Philipp 8 votes
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