The first stars of the universe were monstrous beasts. Comprised only of hydrogen and helium, they could be 300 times more massive than the sun. Within them, the first of the heavier elements were formed, then cast off into ...
Astronomy
Dec 23, 2023
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133
Astronomers report the discovery of a new massive and quiescent galaxy at a high redshift. The galaxy, which received designation COSMOS-1047519, was detected using the Keck I telescope. The finding was detailed in a paper ...
Using the 4.3-m Lowell Discovery Telescope (LDT), astronomers Kathryn F. Neugent and Philip Massey, have observed the nearby Andromeda galaxy. In result, they detected 19 new Wolf-Rayet stars in this galaxy. The finding was ...
A new treasure trove of Webb images has arrived. Near- and mid-infrared images show off every facet of these face-on spiral galaxies.
Astronomy
Jan 29, 2024
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117
In several billion years, our sun will become a white dwarf. What will happen to Jupiter and Saturn when the sun transitions to become a stellar remnant? Life could go on, though the giant planets will likely drift further ...
Planetary Sciences
Jan 31, 2024
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81
Meet R136a1, the most massive star known. Located in the Large Magellanic Cloud, it's a hulking behemoth weighing somewhere between 150 and 200 times the mass of the sun. Understanding the upper limit of stars helps astronomers ...
Astronomy
Aug 18, 2022
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262
Nearing the end of their life, they sit quietly for long periods of time, barely noticeable, before suddenly puffing out a cloud of smoke.
Astronomy
Jan 28, 2024
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203
Neptune and its rings haven't looked this good in decades.
Space Exploration
Sep 24, 2022
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48
Scientists using the H.E.S.S. observatory in Namibia have detected the highest energy gamma rays ever from a dead star called a pulsar. The energy of these gamma rays clocked in at 20 tera-electronvolts, or about 10 trillion ...
Astronomy
Oct 5, 2023
2
297
Supermassive black holes (SMBHs) lurk in the center of large galaxies like ours. From their commanding position in the galaxy's heart, they feed on gas, dust, stars, and anything else that strays too close, growing more massive ...
Astronomy
Feb 16, 2023
0
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