Oldest Recorded Supernova: Last Remnants of Chinese ‘Guest Star’ of 185 A.D.

A truly cool image, combined from data from four different space telescopes, shows all that remains of the oldest documented example of supernova RCW 86, which the Chinese documented in 185 A.D. as a mysterious "guest star" in ...
by David McGee
 

 
 

NASA’s Chandra Sees Eclipsing Planet in X-rays for First Time

For the first time since exoplanets, or planets around stars other than the sun, were discovered almost 20 years ago, X-ray observations have detected an exoplanet passing in front of its parent star.
by David McGee
 

 

 

Hubble Sees a Supermassive, Super-hungry Galaxy

The NASA/ESA Hubble Space Telescope has located spiral galaxy NGC 4845, more than 65 million light-years away in the constellation of Virgo (The Virgin). At its glowing center is a supermassive black hole.
by David McGee
 

 
 

Cause and Effect

CAUSE AND EFFECT: When the sun spit out a Coronal Mass Ejection (CME) on Oct. 5, a brilliant aurora appeared three days later over Saskatoon, Saskatchewan, Canada. When Earth-directed, CMEs can affect electronic systems in sate...
by David McGee
 

 

 

Awesome Images from Hubble & New Insights into Coma Galaxies

Amazing pictures from the constellation Antlia (aka The Air Pump)and activity in the dwarf galaxy ESO 540-31 courtesy Hubble + new findings in the Coma galaxies.
by David McGee
 

 
 

NASA Mission Reveals Speed of Solar Wind Stripping Martian Atmosphere

NASA's MAVEN has produced data enabling researchers to determine the rate at which the Martian atmosphere is losing gas to space via solar wind.
by David McGee
 

 

 

NASA’S Fermi Measures Cosmic ‘Fog’ Produced by Ancient Starlight

Astronomers using data from NASA's Fermi Gamma-ray Space Telescope have made the most accurate measurement of starlight in the universe and used it to establish the total amount of light from all of the stars that have ever sho...
by David McGee