galaxy cluster
Japan’s New X-Ray Observatory Sees First Light
XRISM, the X-ray Imaging and Spectroscopy Mission, is a joint NASA/JAXA mission led by JAXA. The X-ray space telescope began…
Astronomers Have Recorded the Biggest Explosion Ever Seen in the Universe
Hundreds of millions of light years away, a supermassive black hole sits in the center of a galaxy cluster named…
The Most Distant Star Ever Seen, Only 4.4 Billion Years After the Big Bang
Using the Hubble Space Telescope, a team of astronomers recently imaged the most distant star ever seen in a distant…
Astronomers use a Galaxy Cluster as an Extremely Powerful “Natural Telescope” to Peer Even Farther into the Universe
An international team of astronomers recently discovered a fainter, older galaxy using the most extreme case of the gravitational microlensing…
Astronomers Discover First Mulitiple-image Gravitationally-lensed Supernova
How about four supernovae for the price of one? Using the Hubble Space Telescope, Dr. Patrick Kelly of the University of…
Mapping Dark Matter 4.5 Billion Light-years Away
The Milky Way measures 100 to 120 thousand light-years across, a distance that defies imagination. But clusters of galaxies, which…
Teamwork! Two Telescopes Combine Forces To Spot Distant Galaxy Clusters
Doing something extraordinary often requires teamwork for humans, and the same can be said for telescopes. Witness the success of…
Found! Distant Galaxy Spotted Just 650 Million Years After Big Bang
Peering deep into the universe with the Hubble Space Telescope, a team of researchers have found an extremely distant galaxy.…
Where Is Dark Matter Most Dense? Subaru Telescope Gets Some Hints
Put another checkmark beside the "cold dark matter" theory. New observations by Japan's Subaru Telescope are helping astronomers get a…
Polar Telescope Casts New Light On Dark Energy And Neutrino Mass
[/caption] Located at the southermost point on Earth, the 280-ton, 10-meter-wide South Pole Telescope has helped astronomers unravel the nature…