Showing posts with label NASA's Great Observatories. Show all posts
Showing posts with label NASA's Great Observatories. Show all posts

Tuesday, February 10, 2009

Spiral Galaxy M101 - NASA's Great Observatories

Spiral Galaxy M101 - NASA's Great Observatories The galaxy Messier 101 is a swirling spiral of stars, gas, and dust. Messier 101 is nearly twice as wide as our Milky Way Galaxy.Spitzer's view [left frame], taken in infrared light, reveals the galaxy's delicate dust lanes as yellow-green filaments. Such dense dust clouds are where new stars can form. In this image, dust warmed by the light of hot,

NASA's Great Observatories Celebrate International Year of Astronomy

WASHINGTON -- Galileo first turned his telescope to the heavens in 1609, marking the dawn of modern astronomy. To commemorate 400 years of exploring the universe, 2009 has been designated the International Year of Astronomy.In conjunction with Galileo's birthday on Feb. 15, NASA is releasing images from its Great Observatories -- the Hubble Space Telescope, Spitzer Space