APOD: Mercury’s Transit

APOD: Mercury’s Transit

 

Cosmos: A Spacetime Odyssey - Part 3

M45, The Pleiades by Tim Stone on Flickr.
NGC 604 by Steven Marx
NGC 604 an H-Alpha region inside the Triangulum Galaxy.
FITS data obtained from Hubble Legacy Archive (HLA).

NGC 604 by Steven Marx

NGC 604 an H-Alpha region inside the Triangulum Galaxy.

FITS data obtained from Hubble Legacy Archive (HLA).

Carl Sagan - The Frontier is Everywhere

Particle Tracks On Film from the Fermilab Bubble Chamber.