February 3, 2012
This Hubble Space Telescope image offers an intimate view of supernova Cassiopeia A’s frayed remains. This spherical object is the youngest supernova remnant found to date within the Milky Way. 

This Hubble Space Telescope image offers an intimate view of supernova Cassiopeia A’s frayed remains. This spherical object is the youngest supernova remnant found to date within the Milky Way. 

9:39am  |   URL: http://tmblr.co/ZLr-8wFponsr
(Notes: 3)
  
Filed under: supernova supernovae milky way cassiopeia hubble telescope 
February 3, 2012
Supernovae occur when large stars collapse, ejecting plumes of gas, dust, and energy. Following the collapse, supernovae are extremely luminous. They fade out over time, but for a brief period when they are their most radioactive they can radiate as much energy as the Sun. 

Supernovae occur when large stars collapse, ejecting plumes of gas, dust, and energy. Following the collapse, supernovae are extremely luminous. They fade out over time, but for a brief period when they are their most radioactive they can radiate as much energy as the Sun. 

9:38am  |   URL: http://tmblr.co/ZLr-8wFpogtL
(Notes: 1)
  
Filed under: Supernova Supernovae stars luminous 
February 3, 2012
jupiter

jupiter

(Source: tuqueniegaslamuerte)

9:21am  |   URL: http://tmblr.co/ZLr-8wFpn0CL
(Notes: 1)
  
Filed under: jupiter planet 
January 24, 2012

(Source: damn-tasha)

3:49pm  |   URL: http://tmblr.co/ZLr-8wFIpYiK
(Notes: 30)
  
Filed under: sky stars night sky 
January 24, 2012
the aurora borealis, or northern lights, as seen from space.

the aurora borealis, or northern lights, as seen from space.

(Source: itsthenightlife)

3:48pm  |   URL: http://tmblr.co/ZLr-8wFIpI89
(Notes: 27)
  
Filed under: aurora borealis northern lights earth 
January 17, 2012
The Universe spans a diameter of over 150 billion light years. 

The Universe spans a diameter of over 150 billion light years. 

(Source: forresta)

3:52pm  |   URL: http://tmblr.co/ZLr-8wEwvkXJ
(Notes: 25)