Astronomers at the University of California, Riverside, have discovered that powerful winds driven by supermassive black holes in the centers of dwarf galaxies have a significant impact on the evolution of these galaxies ...
Astronomy
Oct 12, 2019
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455
The supermassive black hole at the heart of our galaxy spat out an enormous flare of radiation 3.5 million years ago that would have been clearly visible from Earth.
Astronomy
Oct 8, 2019
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154
This image from the NASA/ESA Hubble Space Telescope shows a dwarf galaxy named UGC 685. Such galaxies are small and contain just a tiny fraction of the number of stars in a galaxy like the Milky Way. Dwarf galaxies often ...
Astronomy
Sep 9, 2019
0
32
The newly-discovered dark dwarf galaxy Antlia 2's collision with the Milky Way may be responsible for our galaxy's characteristic ripples in its outer disc, according to a study led by Rochester Institute of Technology Assistant ...
Astronomy
Jun 12, 2019
2
481
If astronomers want to learn about how supermassive black holes form, they have to start small—really small, astronomically speaking.
Astronomy
Jun 10, 2019
1
702
Several hundred million years after the Big Bang, the very first stars flared into the universe as massively bright accumulations of hydrogen and helium gas. Within the cores of these first stars, extreme, thermonuclear reactions ...
Astronomy
May 8, 2019
4
293
Small stellar systems like dwarf galaxies are thought to be the main building blocks of the Milky Way. However, it is unclear how many and what kind of stars in our galaxy originated from satellite dwarf galaxies.
Astronomy
Apr 30, 2019
1
283
An international team of astronomers has conducted optical and spectroscopic observations of the dwarf galaxy NGC 4395 that contains an active galactic nucleus (AGN). The observations, described in a paper published March ...
Astronomers using the NASA/ESA Hubble Space Telescope to study some of the oldest and faintest stars in the globular cluster NGC 6752 have made an unexpected finding. They discovered a dwarf galaxy in our cosmic backyard, ...
Astronomy
Jan 31, 2019
3
863
Astrophysicists have found the first ever evidence of gigantic remains being formed from repeated explosions on the surface of a dead star in the Andromeda Galaxy, 2.5 million light years from Earth. The remains or "super-remnant" ...
Astronomy
Jan 9, 2019
2
230
