Earth 1, asteroids 0: The next generation of planetary defense takes shape at JPL
The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet (140 ...
NASA warns 'potentially hazardous' asteroid the size of Egypt's Great Pyramid of Giza will ...
TN17 is estimated to be around 540 feet in diameter, which is greater than the height of the Pyramid of Giza in Egypt (449 ...
Science Daily2 天
Meteorites: A geologic map of the asteroid belt
Where do meteorites of different type come from? In a review paper, astronomers trace the impact orbit of observed meteorite falls to several previously unidentified source regions in the asteroid ...
Earth.com2 天
What meteorites tell us about their birthplace in space
Scientists traced origins of 75 meteorites back to specific regions in the asteroid belt, revealing new insights into their ...
Asteroid 2024 YR may not hit Earth in 2032, but it—and others—will keep coming back
In late 2024, astronomers spotted asteroid 2024 YR4 on a trajectory that could potentially threaten Earth. This observation ...
Space.com2 天
Meteorites and asteroids tracked back to their place of origin in the solar system
Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than ...
On this day: Asteroid named in honour of pioneering Suffolk astronomer
On this day in 2023, the East Anglian Daily Times reported that an asteroid had been named in tribute to pioneering Suffolk ...
Scientists Followed 75 Meteorites and Mapped the Asteroid Belt’s Violent Origins
A team of astronomers has spent over a decade tracing meteorite impacts on Earth back to their original sources in the ...
Greek Reporter4 天
Renowned Greek Astrophysicist Krimigis: Colony on Mars “a Distant Dream”
World-renowned Greek astrophysicist Stamatios Krimigis says that a human settlement on Mars is a distant dream.