A new study has revealed the true shape of the diffuse cloud of stars surrounding the disk of our galaxy. For decades, astronomers have thought that this cloud of stars—called the stellar halo—was largely spherical, like ...
Astronomy
Nov 18, 2022
1
817
An international team of astronomers on Monday announced the discovery of a large asteroid whose orbit crosses that of Earth, creating a small chance far in the future of a catastrophic collision.
Planetary Sciences
Nov 1, 2022
0
158
Twilight observations with the US Department of Energy-fabricated Dark Energy Camera at Cerro Tololo Inter-American Observatory in Chile, a Program of NSF's NOIRLab, have enabled astronomers to spot three near-Earth asteroids ...
Astronomy
Oct 31, 2022
1
548
In the past decades, the number of known exoplanets—planets in other solar systems—has skyrocketed. But we're still in the dark about a number of details, including how massive they are and what they're made up of.
Astronomy
Oct 24, 2022
0
499
A contact binary is a strongly interacting binary system with two component stars filled with Roche lobes, and there is a common envelope around the component stars.
Astronomy
Oct 24, 2022
0
92
A gas giant exoplanet with the density of a marshmallow has been detected in orbit around a cool red dwarf star by a suite of instruments, including the NEID radial-velocity instrument on the WIYN 3.5-meter Telescope at Kitt ...
Astronomy
Oct 20, 2022
0
67
Earlier this year a machine learning algorithm identified up to 5,000 potential gravitational lenses that could transform our ability to chart the evolution of galaxies since the Big Bang.
Astronomy
Sep 26, 2022
4
101
Of all known planets, Earth is as friendly to life as any planet could possibly be—or is it? If Jupiter's orbit changes, a new study shows Earth could be more hospitable than it is today.
Astronomy
Sep 9, 2022
0
463
By precisely tracing a small, almost imperceptible, wobble in a nearby star's motion through space, astronomers have discovered a Jupiter-like planet orbiting that star, which is one of a binary pair. Their work, using the ...
Astronomy
Sep 1, 2022
0
110
An international team of researchers led by Charles Cadieux, a Ph.D. student at the Université de Montréal and member of the Institute for Research on Exoplanets (iREx), has announced the discovery of TOI-1452 b, an exoplanet ...
Astronomy
Aug 24, 2022
2
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