stellar evolution
Tag archives for stellar evolution
The Evolution of Starlight
Posted by Ethan on January 16, 2013 
“Aristotle taught that stars are made of a different matter than the four earthly elements— a quintessence— that also happens to be what the human psyche is made of. Which is why man’s spirit corresponds to the stars. Perhaps that’s not a very scientific view, but I do like the idea that there’s a little…
Messier Monday: Messier’s Oldest Open Cluster, M67
Posted by Ethan on January 14, 2013 
“The ruins were just a reminder that what had been was no longer. That everything we are will be gone someday. That I will be forgotten.” -Megan Miranda Some four-and-a-half billion years ago, a ultra-massive cloud of cold gas and dust collapsed, giving rise to thousands of stars of all different types, from hot, massive,…
A relic from the primitive Universe… in our own backyard!
Posted by Ethan on December 26, 2012 
“We have been forced to admit for the first time in history not only the possibility of the fact of the growth and decay of the elements of matter. With radium and with uranium we do not see anything but the decay. And yet, somewhere, somehow, it is almost certain that these elements must be…
How to make a Black Hole
Posted by Ethan on February 6, 2008 You and I have lived on planet Earth long enough to know that if you want to launch something into space, it needs to travel fast enough to escape the pull of Earth’s gravity. Launch it with too slow of a speed, and it crashes back into Earth. Launch it with a little more speed,…
