Palomar 5 is a unique star cluster. In a paper published today in Nature Astronomy, an international team of astrophysicists led by the University of Barcelona show that distinguishing features of Palomar 5 are likely the ...
Astronomy
Jul 5, 2021
46
2297
(Phys.org) -- A supernova may have actually been the mysterious "Red Crucifix" in the sky that is cited in the Anglo Saxon Chronicle for the year 774. New correspondence between a university student and Nature carries interesting ...
Have you noticed that Orion the Hunter—one of the most iconic and familiar of the wintertime constellations—is looking a little… different as of late? The culprit is its upper shoulder star Alpha Orionis, aka Betelgeuse, ...
Astronomy
Dec 27, 2019
14
1770
Scientists have for the first time observed the early universe running in extreme slow motion, unlocking one of the mysteries of Einstein's expanding universe. The research is published in Nature Astronomy.
Astronomy
Jul 3, 2023
16
5716
The observed acceleration of the Hubble expansion rate has been attributed to a mysterious "dark energy" which supposedly makes up about 70% of the universe. Professor Subir Sarkar from the Rudolf Peierls Centre for Theoretical ...
Astronomy
Nov 27, 2019
17
2428
We've all been ruined by science fiction, with their sound effects in space. But if you could watch a supernova detonate from a safe distance away, what would you hear?
Space Exploration
Jun 24, 2014
5
0
The first-ever discovery of an extraterrestrial radioactive isotope on Earth has scientists rethinking the origins of the elements on our planet.
Astronomy
May 14, 2021
11
2213
When a massive star reaches the end of its life, it can explode as a supernova. How quickly does this process happen?
Astronomy
Apr 10, 2015
10
226
For one brief shining moment after the 2015 detection of gravitational waves from colliding black holes, astronomers held out hope that the universe's mysterious dark matter might consist of a plenitude of black holes sprinkled ...
General Physics
Oct 2, 2018
64
956
The end of the universe as we know it will not come with a bang. Most stars will slowly fizzle as their temperatures fade to zero.
Astronomy
Aug 13, 2020
12
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