The Milky Way is our home galaxy in the vast universe, but the structure and composition of the Milky Way remain mysterious. The vast interstellar space between the billions of stars is not empty, but filled with tenuous ...
Astronomy
Dec 13, 2022
0
352
Engineers have repaired an issue affecting data from NASA's Voyager 1 spacecraft. Earlier this year, the probe's attitude articulation and control system (AACS), which keeps Voyager 1's antenna pointed at Earth, began sending ...
Space Exploration
Aug 30, 2022
0
1866
Zeta Ophiuchi has had an interesting life. It began as a typical large star about twenty times more massive than the sun. It spent its days happily orbiting a large companion star until its companion exploded as a supernova ...
Astronomy
Jul 29, 2022
6
168
Magnetic fields are the essential, but often "secret" ingredients of the interstellar medium and the process of making stars. The secrecy shrouding interstellar magnetic fields can be attributed to the lack of experimental ...
Astronomy
Jan 5, 2022
1
2200
In science fiction stories about contact with extraterrestrial civilisations, there is a problem: What kind of propulsion system could make it possible to bridge the enormous distances between the stars? It cannot be done ...
Space Exploration
Dec 20, 2021
20
859
Cosmic rays are charged subnuclear particles that move close to the speed of light, constantly raining down on the Earth. These particles are relativistic, as defined by Albert Einstein's special relativity, and manage to ...
Plasma Physics
Aug 24, 2021
27
650
A scientifically mysterious, isolated cloud bigger than the Milky Way has been found by a research team at The University of Alabama in Huntsville (UAH) in a "no-man's land" for galaxies.
Astronomy
Jul 1, 2021
18
5483
More than 40 years since they launched, the Voyager spacecraft are still making discoveries.
Astronomy
Dec 3, 2020
2
478
Observations of magnetic fields in interstellar clouds made of gas and dust indicate that these clouds are strongly magnetized, and that magnetic fields influence the formation of stars within them. A key observation is that ...
Astronomy
Aug 18, 2020
5
140
Scientists have developed a new prediction of the shape of the bubble surrounding our solar system using a model developed with data from NASA missions.
Astronomy
Aug 5, 2020
1
416
