The ARRAKIHS consortium, for which EPFL has the science lead, has just successfully passed the mission definition review of the project, a very important first milestone towards full completion of the mission preparation. ...
Astronomy
Nov 10, 2023
3
119
When Edwin Hubble observed distant galaxies in the 1920s, he made the groundbreaking discovery that the universe is expanding. It was not until 1998, however, that scientists observing Type Ia supernovae further discovered ...
Astronomy
May 3, 2023
67
1829
One of the biggest mysteries in astrophysics today is that the forces in galaxies do not seem to add up. Galaxies rotate much faster than predicted by applying Newton's law of gravity to their visible matter, despite those ...
Astronomy
May 10, 2024
13
1834
An international group of astronomers, led by a physicist at the University of St Andrews, has revived an alternative gravity theory.
Astronomy
May 20, 2022
10
207
Astronomers have discovered that our nearest large neighbour, the Andromeda galaxy, is roughly the same size as the Milky Way. It had been thought that Andromeda was two to three times the size of the Milky Way, and that ...
Astronomy
Feb 14, 2018
6
610
Dark matter was likely the starting ingredient for brewing up the very first galaxies in the universe. Shortly after the Big Bang, particles of dark matter would have clumped together in gravitational "halos," pulling surrounding ...
General Physics
Oct 3, 2019
65
743
According to theoretical predictions, axion dark matter could be converted into radio frequency electromagnetic radiation when it approaches the strong magnetic fields that surround neutron stars. This radio signature, which ...
A new conjecture is the cause of excitement in the string theory community. Timm Wrase of the Vienna University of Technology has now published his much-discussed results on recent new developments.
General Physics
Oct 8, 2018
35
297
Astronomers at The University of Texas at Austin's McDonald Observatory have discovered an unusually massive black hole at the heart of one of the Milky Way's dwarf satellite galaxies, called Leo I. Almost as massive as the ...
Astronomy
Dec 1, 2021
3
671
(Phys.org)—A team of researchers at the University of California has come up with a new theory to explain how heavy elements such as metals came to exist. The group explains their theory in a paper published in the journal ...
