Bursts of Star Formation can Reduce Future Galaxy Growth

 Astrophysics, Cosmology
apr 272013
 
Bursts of Star Formation can Reduce Future Galaxy Growth

  Astronomers using the NASA/ESA Hubble Space Telescope have shown for the first time that bursts of star formation have a major impact far beyond the boundaries of their host galaxy. These energetic events can affect galactic gas at distances of up to twenty times greater than the visible size of the galaxy – altering [continue reading]

Astronomers Explain Earth’s Lack of Water

 Cosmology, News by Subject, The Solar System
jul 182012
 
Astronomers Explain Earth's Lack of Water

  With large swaths of oceans, rivers that snake for hundreds of miles, and behemoth glaciers near the north and south poles, Earth doesn’t seem to have a water shortage. And yet, less than one percent of our planet’s mass is locked up in water, and even that may have been delivered by asteroids after [continue reading]