Browsing Tag
Asteroids
6 posts
Asteroids Are Turning Out to be More Complicated Than We Expected
When most folks imagine the asteroids, they likely picture chunk of rocky rubble, maybe mixed in with some metals based on distant observations and flybys. They shouldn't be very complicated because they're just leftovers from the formation of the solar system. Most of the meteorites that have been sampled on Earth have a lot of
June 27, 2024
Asteroids vs. comets: How do they differ, and do they pose a threat to Earth?
Published January 27, 20237 min readFrom historical omens of doom to Hollywood blockbusters about saving the world, comets and asteroids loom large in fiction and folklore. And there’s a good reason: One of the chunky rocks or balls of ice could eventually slam into Earth and change the planet irreversibly. Such an impact 66 million
January 27, 2023
Smacked asteroid’s debris trail more than 6,000 miles long
CAPE CANAVERAL, Fla. (AP) — The asteroid that got smacked by a NASA spacecraft is now being trailed by thousands of miles of debris from the impact.Astronomers captured the scene millions of miles away with a telescope in Chile. Their remarkable observation two days after last month's planetary defense test was recently released a National
October 4, 2022
How Asteroids Go From Threat to No Sweat [Video]
By European Space Agency (ESA) February 26, 2022 It’s a funny thing about homing in on an asteroid and calculating its path, future position, and probability of impacting Earth – it will often appear risky during initial observations, get riskier, and then suddenly become entirely safe. In the case of an asteroid on a definite…
February 27, 2022
How some asteroids can sneak up on us
By RNZUniversity of Hawaii researchers have been investigating how asteroids can evade detection, discovering that some approaching objects can appear stationary in the sky because of a quirk of the planet's daily rotation.A rugby-pitch-wide asteroid passed within 70,000km of Earth in 2019, with surprised astronomers only spotting it 24 hours before its closest approach.The study…
January 30, 2022
Asteroids, the Moon and Mars: Spectacular Space Missions To Look Forward to in 2022
This illustration depicts NASA’s Space Launch System (SLS) in the Block 1 cargo configuration as it leaves Earth. Credit: NASA Astronomers ended 2021 on a high with the launch on December 25 of the James Webb Space Telescope, a joint mission between the European Space Agency, NASA and the Canadian Space Agency. It was a…
January 11, 2022