After being installed on the exterior of the International Space Station, NASA's Earth Surface Mineral Dust Source Investigation (EMIT) mission has provided its first view of Earth. The milestone, called "first light," took ...
Planetary Sciences
Jul 30, 2022
0
450
In 2019, astronomers observed the nearest example to date of a star that was shredded, or "spaghettified," after approaching too close to a massive black hole.
Astronomy
Jul 11, 2022
0
2158
Billions of years ago, long before a swirling cloud of gas and dust coalesced to form the sun, light left the earliest stars and began a long journey through space.
Astronomy
Jul 17, 2022
0
314
A dense, collapsed star spinning 707 times per second—making it one of the fastest spinning neutron stars in the Milky Way galaxy—has shredded and consumed nearly the entire mass of its stellar companion and, in the process, ...
Astronomy
Jul 26, 2022
6
1950
The universe is littered with galaxy clusters—huge structures piled up at the intersections of the cosmic web. A single cluster can span millions of light-years across and be made up of hundreds, or even thousands, of galaxies.
Astronomy
Aug 01, 2022
0
151
The first stunning images from the James Webb Space Telescope were revealed this week, but its journey of cosmic discovery has only just begun.
Astronomy
Jul 14, 2022
3
1439
Something is happening to the sun. One of the regions of the solar atmosphere currently exhibiting sunspots caught the attention of observatories on July 11, when there was a sudden increase in ultraviolet and X-ray brightness. ...
Astronomy
Jul 21, 2022
1
273
Is it tumbleweed? A piece of fishing line? Spaghetti?
Planetary Sciences
Jul 22, 2022
0
150
According to the standard model of cosmology, the vast majority of galaxies are surrounded by a halo of dark matter particles. This halo is invisible, but its mass exerts a strong gravitational pull on galaxies in the vicinity. ...
Astronomy
Aug 05, 2022
119
1298
Astronomers at MIT and elsewhere have detected a strange and persistent radio signal from a far-off galaxy that appears to be flashing with surprising regularity.
Astronomy
Jul 13, 2022
2
3955
