2006-11-09 05:19:18 · 2 answers · asked by Mike R. 1 in Science & Mathematics ➔ Astronomy & Space
Sound waves are energy waves that propagate through some medium that can be compressed or rarefied like the air we breath.
It's theorized that around 180,000 to 700,000 K years after the big bang compression waves (sound) moved through the plasma and hydrogen and pushed matter together and formed the early structure of our universe. During this time period, the theory says that the plasma and hydrogen that was left after the big bang was considerably denser than our atmosphere. The WMAP satellite supports the theory. Take a peek here --
http://faculty.washington.edu/jcramer/BBSound.html
2006-11-09 05:43:35 · answer #1 · answered by Gene 7 · 1⤊ 0⤋
Matter clumped together because of the strong force (quarks collapsed into baryons), the electromagnetic force (nuclei and electrons collapse into atoms), and gravity (matter clumps with other matter to make stars, planets, galaxies, etc.). Sound is the movement of vibrations through a medium (such as air), it cannot pass through a vacuum.
2006-11-09 05:28:50 · answer #2 · answered by The Doctor 7 · 1⤊ 1⤋