Whether an asteroid is spinning neatly on its axis or tumbling chaotically, and how fast it is doing so, has been shown to be dependent on how frequently it has experienced collisions. The findings, presented at the recent ...
Planetary Sciences
9 hours ago
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115
Young asteroids—which formed much later than those that were created during the formation of our solar system—are typically created when larger asteroids, planetesimals, or comets collide and break up into smaller pieces. ...
The asteroid belt is found orbiting between Mars and Jupiter and is a vast collection of rocks that is thought to be a planet that never formed. When our solar system formed 4.6 billion years ago, the material in this region ...
Planetary Sciences
Sep 29, 2025
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An international study led by researchers at São Paulo State University (UNESP) in Brazil has identified a little-known but potentially significant threat: Asteroids that share Venus's orbit and may completely escape current ...
Astronomy
Sep 23, 2025
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With help from amateur astronomers, scientists tracked how an asteroid traveled from space, broke up in Earth's atmosphere and sent fiery fragments shooting to the ground, gathering new information about how these space rocks ...
Planetary Sciences
Sep 21, 2025
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Astronomers have used observatories around the world, including the European Southern Observatory's Very Large Telescope (ESO's VLT), to study the asteroid 1998 KY26, revealing it to be almost three times smaller and spinning ...
Astronomy
Sep 18, 2025
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Some asteroids are more dangerous than others, according to a report published in Nature Astronomy by an international team of researchers, led by astrophysicist Auriane Egal of the Montreal Planetarium in Canada. The team ...
Astronomy
Sep 17, 2025
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When considering the unnamed major features of all the moons, asteroids, and comets in our solar system, there are still a lot of places out there that need proper names. That means the International Astronomical Union (IAU), ...
Planetary Sciences
Sep 17, 2025
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Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind of resonance with Earth's ...
Earth is so far the only known planet on which life exists—with liquid water and a stable atmosphere. However, the conditions were not conducive to life when it formed. The gas-dust cloud from which all the planets in the ...
Astrobiology
Aug 28, 2025
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Asteroids, sometimes called minor planets or planetoids, are small Solar System bodies in orbit around the Sun, especially in the inner Solar System; they are smaller than planets but larger than meteoroids. The term "asteroid" has historically been applied primarily to bodies in the inner Solar System since the outer Solar System was poorly known when it came into common usage. The distinction between asteroids and comets is made on visual appearance: Comets show a perceptible coma while asteroids do not.
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