TNRTB Classic: Colliding Galaxies
December 22, 2011
December 22, 2011
As I explain in Monday’s post, galaxies collide regularly with one another. These collisions play a significant role in galaxy structure—particularly the formation and maintenance of the spiral arms as well as provide fuel for ongoing star formation. Check out this previous TNRTB post to learn how astronomers observe the outer regions of the Milky Way to find evidence of these abundant collision events.
“Milky Way Gobbled Gobs of Galaxies”
TNRTB Classic: Exoplanet Studies
Earlier this week, I reported on two new computer simulation studies that help reveal what makes our solar system so special.
Waterworld Planets Are Acidic, Primordial Earth Was Not
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The Invisible Majority: Systems without Gas Giants
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