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09/25/2020
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By Virgilio Marin
Interplanetary hoppers: Microbes from Earth may have reached Venus by hitchhiking on asteroids
If Venusian life does exist, it may have originated from Earth: An interplanetary hopper hitched a ride with an asteroid that grazed Earth’s upper atmosphere and landed on Venus. Researchers from Harvard University — astronomy professor Avi Loeb and student Amir Siraj — proposed the idea after a group of scientists recently detected signatures of phosphine. Microorganisms can produce […]
09/21/2020
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By Virgilio Marin
NASA’s plan for new asteroid-hunting telescope could be ready by 2025 if it receives funding of about $500-$600 million
The National Aeronautics and Space Administration (NASA) could be launching a new asteroid detection system by 2025 if the space agency receives the required funding of about $500 to $600 million. New equipment had been proposed for years, but it wasn’t until asteroid 2019 OK nearly hit Earth in July last year things started moving forward. The space rock, which […]
08/24/2020
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By Virgilio Marin
Asteroid nearly collides with Earth in close call fly-by
Asteroid 2020 QG broke the record for the closest flyby to Earth that did not result in an impact. But while it managed to avoid collision, the asteroid didn’t fly past the planet unscathed. The National Aeronautics and Space Administration (NASA) said that the path of 2020 QG was forever changed by the gravitational force of […]
03/15/2020
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By Franz Walker
Astronomers conduct “planetary defense” exercise to prepare for extinction-level events
Impacts from near-Earth objects (NEO) have caused some of the biggest mass extinction events ever experienced by Earth. Now, an international team has come together for an exercise to track one such NEO and assess the threat it posed while demonstrating how experts from around the world can come together in response to such a threat. […]
03/07/2020
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By Franz Walker
Cyanide found on meteorites can broaden understanding of life itself
Cyanide is a poison that can kill humans and animals alike. However, scientists are looking at the chemicals present in some asteroids as a way to better understand how life first emerged on our planet. According to a study by scientists at Boise State University and the National Aeronautics and Space Administration (NASA), the presence of […]
02/21/2020
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By Franz Walker
Neural network finds 11 asteroids that could hit the Earth
One of the most fascinating – and frightening – concepts in astronomy is that asteroids and other interstellar objects can fly really close to the Earth, and even hit it. Now, a team of researchers from Leiden University in the Netherlands are using a neutral network to predict which asteroids could hit the planet in […]
11/22/2019
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By Edsel Cook
Meteoroids release water vapor into space when they hit the moon – could it have water under its surface?
A new study suggests that small amounts of water might hide just beneath the surface of the moon. The lunar water only emerged after a meteoroid slammed deep enough into the lunar rock to extract it. The Apollo astronauts brought back samples of lunar rocks from 1969 to 1972. Analyses found no trace of water in […]
09/15/2019
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By Edsel Cook
You’ve heard of volcanoes and cryovolcanoes. How about iron volcanoes – in space?
Molten silicate rocks erupt from conventional volcanoes on Earth. Cold liquids spew from cryovolcanoes on icy moons. Now, researchers identified a novel type of volcanic activity – melted iron that explodes from volcanoes on metallic asteroids. Two separate research teams investigated potential volcanic activity in iron-rich asteroids. They arrived at pretty much the same conclusion — that […]
08/31/2019
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By Edsel Cook
Can life find a way? Tiny planet around a white dwarf may hold clues to understanding habitable worlds in the universe
The star called SDSS J122859.93+104032.9 died long ago, and its death spasms devoured the planets that circled it. But U.K. researchers recently found a surviving planetesimal zipping through the diminishing debris disk around the white dwarf star. A fragment that broke off its original exoplanet during the latter’s destruction, the planetesimal showed high levels of […]
08/11/2019
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By Edsel Cook
Not as easy as in the movies: Scientists say blowing up asteroids that threaten life on Earth will be extremely difficult
Most Hollywood films that revolve around asteroid impacts end with the heroes successfully blowing up the incoming space rock in the nick of time. But researchers warn that a potential killer asteroid hurtling toward Earth is going to be much harder to stop in real life. Like many others before them, the Johns Hopkins University (JHU) looked […]
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