RT @haya2e_jaxa: #Hayabusa2 Earth swing-by is coming up in 4 days! The distance to Earth is about 1,750,000km, and the velocity to the sun is 30. 43km/s.
RT @haya2e_jaxa: #Hayabusa2 Earth swing-by is coming up in 4 days! The distance to Earth is about 1,750,000km, and the velocity to the sun is 30. 43km/s.