News tagged with spitzer space telescope

Mysterious red galaxies

(PhysOrg.com) -- Perhaps the most astonishing and revolutionary discovery in cosmology was Edwin Hubble's observation that galaxies are moving away from us with velocities that are proportional to their distances. ...

Dec 12, 2011 4.8 / 5 (12) 36 | with audio podcast

A cosmic exclamation point

(PhysOrg.com) -- VV 340, also known as Arp 302, provides a textbook example of colliding galaxies seen in the early stages of their interaction. The edge-on galaxy near the top of the image is VV 340 North ...

Aug 12, 2011 4.3 / 5 (8) 42 | with audio podcast

The making of dust

(PhysOrg.com) -- On the Earth, dust particles are everywhere - under beds, on bookshelves, even floating in the air. We take dust for granted. Dust is also common in space, and it is found for example in the ...

Jul 06, 2011 4.6 / 5 (5) 5 | with audio podcast

A green ring fit for a superhero

(PhysOrg.com) -- This glowing emerald nebula seen by NASA's Spitzer Space Telescope is reminiscent of the glowing ring wielded by the superhero Green Lantern. In the comic books, the diminutive Guardians of ...

Jun 16, 2011 4.5 / 5 (2) 5 | with audio podcast

Dust, blowing in the wind

(PhysOrg.com) -- Interstellar space contains vast quantities of dust that obscures our view while helping to catalyze the chemical reactions that turn atomic gases into complex molecular species. Most dust ...

Apr 25, 2011 5 / 5 (1) 1 | with audio podcast