RT @Cosmic_Penguin: #ChangE5T1 has crossed into the lunar gravitational realm today @ ~0330 UT. Will fly behind the Moon on closest approach in 1/2 day’s time.
RT @Cosmic_Penguin: #ChangE5T1 has crossed into the lunar gravitational realm today @ ~0330 UT. Will fly behind the Moon on closest approach in 1/2 day’s time.