The radio sky at frequencies below ~30 MHz, particularly below ~10 MHz, is still largely unknown. Due to the absorption and distortion by the ionosphere, it is quite difficult to receive radio signal of such ultra-long wavelength ...
Astronomy
Jul 30, 2021
0
547
Black holes with masses equivalent to millions of suns do put a brake on the birth of new stars, say astronomers. Using machine learning and three state of the art simulations to back up results from a large sky survey, the ...
Astronomy
Jul 20, 2021
36
439
Many exoplanets have opaque atmospheres, obscured by clouds or hazes that make it hard for astronomers to characterize their chemical compositions. A new study shows that haze particles produced under different conditions ...
Astronomy
Jul 12, 2021
0
22
"The best laid plans of mice and men often go awry"—this famous paraphrase of Scottish poet Robert Burns sometimes sums up human ingenuity. That is exactly what happened when a county in Washington State decided to replace ...
Environment
Jul 9, 2021
9
27
By mapping the motion of galaxies in huge filaments that connect the cosmic web, astronomers at the Leibniz Institute for Astrophysics Potsdam (AIP), in collaboration with scientists in China and Estonia, have found that ...
Astronomy
Jun 15, 2021
35
6475
A recently released policy guide book for teachers and schools has been receiving some criticism. For instance, an article in the Daily Telegraph claimed: "Teachers are being told not to use phrases like 'girls and boys,' ...
Education
Jun 10, 2021
0
2
At the heart of almost every sufficiently massive galaxy there is a black hole whose gravitational field, although very intense, affects only a small region around the center of the galaxy. Even though these objects are thousands ...
Astronomy
Jun 9, 2021
10
734
One of the largest X-ray surveys using the European Space Agency's XMM-Newton space observatory has mapped nearly 12,000 X-ray sources across three large, prime regions of the sky. The X-ray sources represent active galactic ...
Astronomy
Jun 8, 2021
0
9
A river of red-hot lava stopped Sunday on the edge of Goma, sparing the eastern DR Congo city from disaster after an overnight eruption of the Nyiragongo volcano sent thousands of terrified residents fleeing in panic.
Environment
May 23, 2021
0
20
Comets that circle the Sun in very elongated orbits spread their debris so thin along their orbit or eject it out of the solar system altogether so that their meteor showers are hard to detect. From a new meteor shower survey ...
Space Exploration
May 20, 2021
0
775
