ESA's Gaia mission has produced the richest star catalogue to date, including high-precision measurements of nearly 1.7 billion stars and revealing previously unseen details of our home Galaxy.
Astronomy
Apr 25, 2018
0
1793
University of Arkansas astrophysicists have taken an important step toward solving the mystery of how disk galaxies maintain the shape of their spiral arms. Their findings support the theory that these arms are created by ...
Astronomy
Apr 23, 2019
26
1283
A new visualization provides an exceptional virtual trip—complete with a 360-degree view—to the center of our home galaxy, the Milky Way. This project, made using data from NASA's Chandra X-ray Observatory and other telescopes, ...
Astronomy
Jan 10, 2018
1
721
Scientists have unlocked one of the biggest mysteries of quasars—the brightest, most powerful objects in the universe—by discovering that they are ignited by galaxies colliding.
Astronomy
Apr 25, 2023
11
2089
A team led by CU Boulder researchers has caught a supermassive black hole in a distant galaxy snacking on gas and then "burping"—not once, but twice.
Astronomy
Jan 11, 2018
2
2648
New research led by astrophysicists at Durham University, UK, predicts that the Large Magellanic Cloud (LMC) could hit the Milky Way in two billion years' time.
Astronomy
Jan 4, 2019
11
1290
Last year, we made an intriguing discovery—a radio signal in space that switched on and off every 18 minutes.
Astronomy
Jul 23, 2023
3
171
The most massive galaxies in our neighbourhood formed their stars billions of years ago, early in the history of the universe. At the present day, they produce very few new stars. Astronomers have long believed that is because ...
Astronomy
Jan 19, 2018
26
30
New images from NASA's James Webb Space Telescope (JWST) reveal for the first time galaxies with stellar bars—elongated features of stars stretching from the centers of galaxies into their outer disks—at a time when the ...
Astronomy
Jan 5, 2023
10
1040
The first confirmed heartbeat of a supermassive black hole is still going strong more than ten years after first being observed.
Astronomy
Jun 9, 2020
17
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