How are galaxies moving away faster than light?
So, how can galaxies be traveling faster than the speed of light when nothing can travel faster than light?
Astronomy
Oct 13, 2015
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News tagged with background galaxy
Astronomers "weigh" a galaxy's black hole by studying the einstein ring phenomenon
Astronomers at the Institute of Astronomy and Astrophysics (ASIAA), Postdoctoral Fellow Dr. Kenneth Wong, Assistant Research Fellow Dr. Sherry Suyu and Associate Research Fellow Dr. Satoki Matsushita have recently analyzed ...
Astronomy
Sep 30, 2015
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Image: The Magellanic Clouds and an interstellar filament
Portrayed in this image from ESA's Planck satellite are the two Magellanic Clouds, among the nearest companions of our Milky Way galaxy. The Large Magellanic Cloud, about 160 000 light-years away, is the large red and orange ...
Astronomy
Sep 7, 2015
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122
Imaging lensed, distant galaxies with the large millimeter telescope
In the 1980's, observations of nearby galaxies made with the Infrared Astronomical Satellite, along with observations of the far-infrared /submillimeter background with the Cosmic Background Explorer satellite, showed that ...
Astronomy
Aug 31, 2015
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NASA selects proposals to study neutron stars, black holes and more
SA has selected five proposals submitted to its Explorers Program to conduct focused scientific investigations and develop instruments that fill the scientific gaps between the agency's larger missions.
Space Exploration
Jul 31, 2015
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The cosmic evolution of galaxies
Our knowledge of the big bang has increased dramatically in the past decade, as satellites and ground-based studies of the cosmic microwave background have refined parameters associated with the very early universe, achieving ...
Astronomy
May 11, 2015
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Dusty substructure in a galaxy far far away
Scientists at the Max Planck Institute for Astrophysics (MPA) have combined high-resolution images from the ALMA telescopes with a new scheme for undoing the distorting effects of a powerful gravitational lens in order to ...
Astronomy
Apr 1, 2015
1
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Cosmic bumps on cosmic ripples
In 1969, the astrophysicists Rashid Sunyaev and Yakov Zel'dovich realized that the then recently discovered cosmic microwave background radiation (CMBR) would be distorted by hot cosmic gas. Hot electrons in the intergalactic ...
Astronomy
Mar 13, 2015
1
63
How far back are we looking in time?
The Universe is a magic time window, allowing us to peer into the past. The further out we look, the further back in time we see. Despite our brains telling us things we see happen at the instant we view them, light moves ...
Astronomy
Mar 6, 2015
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Unlocking the mystery of the first billion years of the universe
More than 100 million years has been wiped off the age of the first stars but there is still the question of what happened in the first billion years of the universe.
Astronomy
Feb 18, 2015
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