(Phys.org) —What happens when massive stars collapse? One potential result is a core-collapse supernova. Astronomers can make observations of such events that tell us what is happening on the surface of a star when it explodes ...
Astronomy
May 2, 2014
0
1992
It's challenging to make predictions, especially in astronomy. There are however, a few forecasts astronomers can depend on, such as the timing of upcoming lunar and solar eclipses and the clockwork return of some comets.
Astronomy
Sep 13, 2021
7
1987
We all want there to be aliens. Green ones, pink ones, brown ones, Greys. Or maybe Vulcans, Klingons, even a being of pure energy. Any type will do.
Astronomy
Oct 20, 2016
18
1986
A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system's distant cloud of comets, the Oort ...
Astronomy
Feb 17, 2015
118
4859
Researchers using telescopes around the world confirmed and characterized an exoplanet orbiting a nearby star through a rare phenomenon known as gravitational microlensing. The exoplanet has a mass similar to Neptune, but ...
Astronomy
Nov 1, 2019
9
5890
We don't want to scare you, but our own Milky Way is on a collision course with Andromeda, the closest spiral galaxy to our own. At some point during the next few billion years, our galaxy and Andromeda – which also happen ...
Astronomy
Oct 3, 2016
2
1977
Understanding the thermonuclear explosion of Type Ia supernovae—powerful and luminous stellar explosions—is only possible through theoretical models, which previously were not able to account for the mechanism that detonated ...
Astronomy
Oct 31, 2019
27
3450
The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly debated—results had shown: The universe is expanding faster than predicted by theoretical models, and faster ...
Astronomy
Jan 17, 2025
109
1967
Albert Einstein predicted that whenever light from a distant star passes by a closer object, gravity acts as a kind of magnifying lens, brightening and bending the distant starlight. Yet, in a 1936 article in the journal ...
Astronomy
Jun 7, 2017
40
8097
Astronomers using NASA's Hubble Space Telescope have discovered that the universe is expanding 5 percent to 9 percent faster than expected.
Astronomy
Jun 2, 2016
97
5187
