Cosmic Variance
Updated: 2012-11-29 22:40:20
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A jet of X-rays from a supermassive black hole 12.4 billion light years from Earth has been detected by NASA's Chandra X-ray Observatory. This is the most distant X-ray jet ever observed.
, Subscribe Today Renew Give a Gift Archives Customer Service Facebook Twitter Newsletter SEARCH Health Medicine Mind Brain Technology Space Human Origins Living World Environment Physics Math Video Photos Podcast RSS Top Ten Amazing Higgs Boson Facts Time and Space , Remapped by Sean Carroll A short two-person dance , with a twist . Or more accurately , a shear : time is remapped so that there is a delay that increases as you move from the top of the frame down to the bottom . Or in math : x’ , y’ , t’ x , y , t y in some units . Via Terence Tao and Alex Fink Share November 14th , 2012 2:47 PM in Entertainment Mathematics 5 comments RSS feed Trackback 5 Responses to Time and Space , Remapped” 1. David Lau Says : November 14th , 2012 at 3:03 pm Just got the book today . It will be my
These images of the planetary nebula Abell 30, (a.k.a. A30), show one of the clearest views ever obtained of a special phase of evolution for these objects.
The Milky Way and other galaxies in the universe harbor many young star clusters and associations that each contain hundreds to thousands of hot, massive, young stars known as O and B stars.
One of the lowest mass supermassive black holes ever observed in the middle of a galaxy has been identified, thanks to NASA's Chandra X-ray Observatory and several other observatories. 
This gallery shows four planetary nebulas from the first systematic survey of such objects in the solar neighborhood made with NASA's Chandra X-ray Observatory.
Astronomers have used NASA's Chandra X-ray Observatory to find evidence our Milky Way Galaxy is embedded in an enormous halo of hot gas that extends for hundreds of thousands of light years.
A superbubble in the Large Magellanic Cloud (LMC), a small satellite galaxy of the Milky Way, located about 160,000 light years from Earth.