Scientists believe they have found a way to explain why there are not as many galaxies orbiting the Milky Way as expected.
Astronomy
Sep 8, 2014
7
0
Identical twins are similar to each other in many ways, but they have different experiences, friends, and lifestyles.
General Physics
Sep 14, 2017
3
834
Subtle distortions hidden in ALMA's stunning image of the gravitational lens SDP.81 are telltale signs that a dwarf dark galaxy is lurking in the halo of a much larger galaxy nearly 4 billion light-years away. This discovery ...
Astronomy
Apr 14, 2016
66
1796
What are the mysterious dark matter and dark energy that seem to account for so much of our Universe? Why is the Universe expanding? For the past 30 years, most cosmologists have looked to the 'standard model' to answer ...
Astronomy
Jul 8, 2015
117
186
Dark matter halos are theoretical bodies inside which galaxies are suspended; the halo's mass dominates the total mass. These halos cannot be observed directly, but astronomers infer their presence by the phenomenon of gravity ...
Our best understanding of the universe is rooted in a cosmological model known as LCDM. The CDM stands for cold dark matter, where most of the matter in the universe isn't stars and planets, but a strange form of matter that ...
Astronomy
Sep 5, 2023
196
57
The Large and Small Magellanic Clouds are well-known satellite galaxies of the Milky Way, but there are more. It is surrounded by at least 61 within 1.4 million light years (for context the Andromeda galaxy is 2.5 million ...
Astronomy
May 13, 2024
0
74
Five years ago, San Francisco State researcher Andisheh Mahdavi and his colleagues observed an unexpected dark core at the center of Abell 520, a cosmic "train wreck" of galaxy clusters. With new space-based telescope observations, ...
Astronomy
Mar 2, 2012
17
2
For nearly twenty years scientists have been trying to resolve the discrepancy in the cold dark matter paradigm - the so-called "Cold Dark Matter catastrophe". Recently an international research group including physics professor ...
General Physics
Jan 14, 2010
17
0
NASA's Cold Atom Lab, a first-of-its-kind facility aboard the International Space Station, has taken another step toward revolutionizing how quantum science can be used in space. Members of the science team measured subtle ...
General Physics
Aug 13, 2024
0
102
