Astronomers have known for decades that the universe is expanding. When they use telescopes to observe faraway galaxies, they see that these galaxies are moving away from Earth.
Astronomy
Nov 15, 2023
44
70
Astrophysicists have developed a new way to use gravitational waves to measure the expansion rate of the universe.
Astronomy
Nov 6, 2014
0
2
(Phys.org)—Astronomers using NASA's Spitzer Space Telescope have announced the most precise measurement yet of the Hubble constant, or the rate at which our universe is stretching apart.
Astronomy
Oct 3, 2012
10
0
In 1920's Edwin Hubble, an American astronomer, showed that the recessional velocity of a galaxy increases with its distance from the earth, known as Hubble's law. Hubble's law is taken as the first observational basis for ...
General Physics
Nov 5, 2015
4
46
NASA's Hubble Space Telescope has looked deep into the distant universe and detected the feeble glow of a star that exploded more than 9 billion years ago. The sighting is the first finding of an ambitious survey that will ...
Astronomy
Jan 11, 2012
0
0
A team of researchers led by Robert Quimby at the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU) has announced the discovery of a galaxy that magnified a background, Type Ia supernova thirtyfold ...
Astronomy
Apr 24, 2014
1
0
Researchers from the University of Portsmouth have come up with a new measurement of one of the most debated topics in cosmology.
Astronomy
Nov 13, 2018
22
27
Radio astronomers have directly measured the distance to a faraway galaxy, providing a valuable "yardstick" for calibrating large astronomical distances and demonstrating a vital method that could help determine the elusive ...
Astronomy
Jun 8, 2009
2
0
ANU will play a major role in the Taipan galaxy survey, which will for the first time measure the current expansion rate of the universe with one per cent precision.
Astronomy
Feb 1, 2018
0
95
Economic expansion leaves indelible marks on coral chemistry, according to a new study published in the Journal of Geophysical Research: Oceans. By analyzing barium levels in coral cores, scientists can access decades-old ...
Earth Sciences
May 11, 2023
0
10
