WASHINGTON, Jan 30 (Reuters) - Observations by NASA's James Webb Space Telescope and Chandra X-ray Observatory are providing ...
One of the sky's two celestial owls (the other is the Owl Nebula [M97]) takes silent flight in Cassiopeia's rich star fields.
Astronomers have spotted a mysteriously mature “baby cluster” of galaxies in the early universe, scarcely a billion years ...
Using NASA's Chandra X-ray space telescope, astronomers have discovered an entire galaxy cluster wrapped in a 20 million ...
The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun ...
Formally known as Messier 44, the cluster is one of the closest of its kind to Earth at about 600 light-years away. While visible to the naked eye as a blur, binoculars or a telescope are recommended ...
Formally known as Messier 44, the cluster is one of the closest of its kind to Earth. It will be visible throughout January, with the best viewing times after sunset and before midnight. While visible ...