Eyes on Asteroids - NASA/JPL - NASA's Eyes
Explore the 3D world of Asteroids, Comets and NEOs. Learn about past and future missions, tracking and predicting orbits, and close approaches to Earth.
Asteroids - NASA Science
Asteroids, sometimes called minor planets, are rocky, airless remnants left over from the early formation of our solar system about 4.6 billion years ago. Most asteroids can be found orbiting the Sun between Mars and Jupiter within the main asteroid belt.
European Space Mission Launches to Investigate an Asteroid …
Oct. 7, 2024. In humanity’s latest bid to avoid going the way of the dinosaurs, a European spacecraft soared away from the coast of Florida on Monday. The mission, Hera, will visit an asteroid ...
NASA’s Planetary Radar Tracks Two Large Asteroid Close …
2024年7月3日 · The Goldstone Solar System Radar, part of NASA’s Deep Space Network, made these observations of the recently discovered 500-foot-wide (150-meter-wide) asteroid 2024 MK, which made its closest approach — within about 184,000 …
What Is an Asteroid? | NASA Space Place – NASA Science for Kids
2024年9月27日 · Asteroids are small, rocky objects that orbit the sun. Although asteroids orbit the sun like planets, they are much smaller than planets. A close-up image of the asteroid Ida taken by NASA's Galileo spacecraft. Image credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA. There are lots of asteroids in our solar system.
Apophis - NASA Science
Apophis. Overview. Asteroid 99942 Apophis is a near-Earth object (NEO) estimated to be about 1,100 feet (335 meters) across. When it was discovered in 2004, Apophis was identified as one of the most hazardous asteroids that could impact Earth.
Asteroids, Comets & Meteors - NASA Science
Explore the 3D world of Asteroids, Comets and NEOs. Learn about past and future missions, tracking and predicting orbits, and close approaches to Earth.
NASA Confirms DART Mission Impact Changed Asteroid’s Motion in Space
2022年10月11日 · Analysis of data obtained over the past two weeks by NASA’s Double Asteroid Redirection Test (DART) investigation team shows the spacecraft’s kinetic impact with its target asteroid, Dimorphos, successfully altered the asteroid’s orbit. This marks humanity’s first time purposely changing the motion of a celestial object and the first ...
SpaceX rocket launches Europe's Hera planetary defense probe to …
2024年10月7日 · A SpaceX Falcon 9 rocket launches the European Space Agency's Hera asteroid mission to the binary asteroids Didymos and Dimorphos from Cape Canaveral Space Force Station in Florida on Oct. 7, 2024.
In Depth | Asteroids - NASA Solar System Exploration
Most of this ancient space rubble can be found orbiting our Sun between Mars and Jupiter within the main asteroid belt. Asteroids range in size from Vesta – the largest at about 329 miles (530 kilometers) in diameter – to bodies that are less than 33 feet (10 meters) across.