News tagged with collision

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A milestone for molecular beams

(PhysOrg.com) -- When we think of molecular collisions, we often consider massive colliders, like the LHC, sending particles smashing into each other at very high energies. While this is interesting work, ...

Oct 29, 2010 feature
4.9 / 5 (18) 4 | with audio podcast

Why is Andromeda coming toward us?

I don't want to alarm you, but there's a massive galaxy heading our way and will collide with us in a few billion years. But aren't most galaxies speeding away? Why is Andromeda on a collision course with ...

Jan 23, 2015
3.6 / 5 (24) 26

Image: A strange ring galaxy

(PhysOrg.com) -- Is this one galaxy or two? Astronomer Art Hoag first asked this question when he chanced upon this unusual extragalactic object.

Aug 27, 2010
4.6 / 5 (17) 21