Exoplanets form in protoplanetary disks, a collection of space dust and gas orbiting a star. The leading theory of planetary formation, called core accretion, occurs when grains of dust in the disk collect and grow to form ...
Planetary Sciences
Sep 4, 2024
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It's 7 billion years ago, and the universe's heyday of star formation is beginning to slow. What might our Milky Way galaxy have looked like at that time? Astronomers using NASA's James Webb Space Telescope have found clues ...
Astronomy
Sep 4, 2024
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117
Clusters of stars set the interstellar medium ablaze in the Andromeda galaxy about 2.5 million light-years away. Also known as M31, Andromeda is the Milky Way's closest major galaxy. It measures approximately 152,000 light-years ...
Astronomy
Aug 30, 2024
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66
As a first-year master's student in the Department of Earth Sciences, Katherine Lutz became fascinated by satellite images of Mars that showed spiraling shapes swirling across the planet's polar ice caps.
Planetary Sciences
Aug 27, 2024
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28
Roughly 210,000 light-years away, the Small Magellanic Cloud (SMC) is one of our Milky Way galaxy's closest neighbors. In fact, this small galaxy is one of the Milky Way's "satellite" galaxies, which orbit our home spiral ...
Astronomy
Aug 26, 2024
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37
Using the James Webb Space Telescope (JWST), an international team of astronomers has observed a nearby spiral galaxy known as NGC 891. Results of the observational campaign, published August 15 on the preprint server arXiv, ...
The subject of this NASA/ESA Hubble Space Telescope image is situated in the Perseus Cluster, also known as Abell 426, 320 million light-years from Earth. It's a barred spiral galaxy known as MCG+07-07-072, seen here among ...
Astronomy
Aug 16, 2024
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45
This NASA/ESA Hubble Space Telescope image features the galaxy LEDA 857074, located in the constellation Eridanus. LEDA 857074 is a barred spiral galaxy, with partially broken spiral arms. The image also captured a supernova, ...
Astronomy
Aug 9, 2024
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143
Featured in this new image from the NASA/ESA/CSA James Webb Space Telescope is Messier 106, also known as NGC 4258. This is a nearby spiral galaxy that resides roughly 23 million light-years away in the constellation Canes ...
Astronomy
Aug 9, 2024
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6
This NASA/ESA Hubble Space Telescope image treats viewers to a wonderfully detailed snapshot of the spiral galaxy NGC 3430 that lies 100 million light-years from Earth in the constellation Leo Minor.
Astronomy
Jul 28, 2024
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