(PhysOrg.com) -- Earth usually has more than one moon, according to a team of astronomers from the University of Helsinki, the Paris Observatory and the University of Hawaii at Manoa.
Space Exploration
Apr 4, 2012
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When humans, animals, and machines move throughout the world, they always push against something, whether it's the ground, air, or water. Until recently, physicists believed this to be a constant, following the law of conservation ...
General Physics
Aug 8, 2022
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Humanity's quest to explore—and, perhaps eventually, colonize—outer space has prompted a great many ideas about how precisely to go about it.
Space Exploration
Feb 2, 2024
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Is it a new asteroid mini–moon or a human-made mini-moon? That's the question about a small object approaching Earth, called 2020 SO. NASA's Small Body Database predicts the object will captured by Earth's gravity in October ...
Astronomy
Sep 30, 2020
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280
Concrete is not the first material one usually thinks of when exploring space. Nor is it the focus of much cutting-edge research. The most common building material has been used by humanity for thousands of years. But ...
Space Exploration
Feb 16, 2022
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The former OSIRIS-REx spacecraft sets off on a journey to study asteroid Apophis and take advantage of the asteroid's 2029 flyby of Earth, the likes of which hasn't happened since the dawn of recorded history.
Planetary Sciences
Dec 25, 2023
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64
Highly developed seed plants evolved deep root systems that are able to sense Earth's gravity. The how and when of this evolutionary step has, until now, remained unknown. Plant biologists at the Institute of Science and ...
Plants & Animals
Aug 2, 2019
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192
A company called Tethers Unlimited has deployed its de-orbiting tether in a successful test on the Prox-1 satellite. The satellite is one of four that are carrying the device, called the Terminator Tape. Rather than stay ...
Space Exploration
Jan 29, 2020
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152
A quartet of space scientists, two from Carnegie Mellon University and two from Harvard University, has found via simulations that it should be possible for interstellar objects to be captured by Earth's gravity. The team, ...
Scientists at The University of Manchester and The University of Glasgow have today provided more insight into the possibility of establishing a pathway to generate oxygen for humans to potentially call the moon or Mars 'home' ...
Materials Science
Feb 8, 2022
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