Astronomy
Companion Stars Could Cause Unexpected X-Rays
Many types of main sequence stars emit in the X-ray portion of the spectra. In massive stars, strong stellar winds…
New Look Inside Tycho Supernova Remnant Hints at Cosmic Ray Origins
[/caption] The Chandra X-Ray Observatory has taken a brand new, deep look inside the Tycho Supernova Remnant and found a…
Perseus Cluster Thicker Around the Middle Than Thought
[/caption] The Japanese Suzaku X-ray telescope has just taken a close look at the Perseus galaxy cluster, and revealed it's…
Revolutionary Dawn Closing in on Asteroid Vesta with Opened Eyes
[/caption] The excitement is building as NASA’s innovative Dawn spacecraft closes in on its first protoplanetary target, the giant asteroid…
Coolest Brown Dwarf Spotted by Earth-bound Telescopes
[/caption] Astronomers have found the coldest known star -- a brown dwarf in a double system about as hot as…
Why are Dobsonian Telescopes a Favorite Among Amateur Astronomers?
[/caption] Welcome to the scary and expensive world of buying your first, or replacing your old telescope! I am asked…
New Image: VLT Captures Tumult of Starbirth
[/caption] Newborn stars spew material into the surrounding gas and dust, creating a surreal landscape of glowing arcs, blobs and…
Exoplanet May Have Metal-Rich Atmosphere
[/caption] At first glance, GJ 1214b is just another of the growing number of the super-Earth class of exoplanets. Discovered…