Up to 60% of near-Earth objects could be dark comets, mysterious asteroids that orbit the sun in our solar system that likely contain or previously contained ice and could have been one route for delivering water to Earth, ...
Planetary Sciences
4 hours ago
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An asteroid will whiz harmlessly past Earth this weekend. With the right equipment and timing, you just might spot it.
Space Exploration
Jun 28, 2024
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An international team of researchers, co-led by ETH Zurich and Imperial College London, has derived the first estimate of global meteorite impacts on Mars using seismic data. Their findings indicate that between 280 to 360 ...
Planetary Sciences
Jun 28, 2024
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259
Four and a half billion years ago, our solar system was a cloud of gas and dust swirling around the sun, until gas began to condense and accrete along with dust to form asteroids and planets. What did this cosmic nursery, ...
Planetary Sciences
Jun 20, 2024
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So far, scientists have found around 34,000 near-Earth asteroids (NEAs) that could serve as humanity's stepping stone to the stars. These balls of rock and ice hold valuable resources as we expand throughout the solar system, ...
Space Exploration
Jun 12, 2024
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The sun warms the Earth, making it habitable for people and animals. But that's not all it does, and it affects a much larger area of space. The heliosphere, the area of space influenced by the sun, is over a hundred times ...
Space Exploration
Jun 8, 2024
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As ESA's Hera spacecraft for planetary defense goes through pre-flight testing, the system that will steer it around its target binary asteroid system is also undergoing its final checks for space.
Space Exploration
May 30, 2024
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When NASA's Lucy spacecraft flew past its first official target Dinkinesh in November 2023, researchers discovered that the asteroid—known as "Dinky"—was not alone in space. A satellite asteroid, which the team named ...
Planetary Sciences
May 29, 2024
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Sometimes, science requires traveling into hazardous environments; sometimes it requires a vast influx of state capital and an army of researchers and technicians. But sometimes, science has to call in the Marines. We reported ...
There are millions of asteroids floating around the solar system. With so many of them, it should be no surprise that some are weirdly configured. A recent example of one of these weird configurations was discovered when ...
Astronomy
May 23, 2024
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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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