Recent content by p.falk

Don't mean to do this ^^^ But is my previous post close to being correct? Thanks

But I thought a Helium can't combine with another Helium atom because the result would be too unstable. If a Helium(2 protons/2neutrons) combines with a Helium you have 8 particles... but atoms with 5 or 8 particles are unstable. That's why I wanted to know what role deuterium plays in this...

Would someone mind (in simple terms if possible) explaining how at the beginning of the universe Hydrogen combined to give Helium; then then how Helium combined with deuterium to create the heavier elements? I would just like to be more versed on this process... Thanks for any help!

Okay... Let's see if I'm catching on. A piece of iron heated to a very high temperature so that it would start to glow (giving off whitish/blue'ish light) would be an example of a blackbody. It doesn't reflect light that would shine upon it, but it does emit the heat that it absorbs. If...

Hello, New to this message board (and very happy to have found it). I am reading a book on cosmology by Steven Weinberg... I am having a terrible time understanding what exactly black body radiation is. Could someone please describe it in the most accesible terms? Also, if you would please...