Related topics: earth · nasa · spacecraft · asteroid · antenna

Chandra resumes science operations

NASA's Chandra X-ray Observatory has successfully resumed observations after recovery from a problem involving one of its science instruments, the Low Energy Transmission Grating (LETG). The LETG is used to measure the intensity ...

Planetary radar observes 1,000th near-earth asteroid since 1968

On Aug. 14, 2021, a small near-Earth asteroid (NEA) designated 2021 PJ1 passed our planet at a distance of over 1 million miles (about 1.7 million kilometers). Between 65 and 100 feet (20 and 30 meters) wide, the recently ...