地球接近小惑星を追跡

NASAの惑星レーダーが2つの大型小惑星の接近を追跡(NASA’s Planetary Radar Tracks Two Large Asteroid Close Approaches)

2024-07-03 NASAThe Goldstone Solar System Radar, part of NASA’s Deep Space Network, made these observations of the recen...

2024-07-04

1701物理及び化学