In this issue:
- What caused the uneven gravity on the Moon, a mystery since it was first detected in 1968? GRAIL just found the answer!
- OSIRIS-REx passed a key milestone and all systems are go for final design and development of the spacecraft. How will this mission will grab samples from an asteroid for return to Earth?
- What are some of the surprising new findings being revealed by scientists on the Dawn and MESSENGER missions about their favorite destinations – giant asteroid Vesta and planet #1, Mercury?
- Juno is flying by Earth this fall. Why is this the preferred path on its way to Jupiter?
Read about all this and more! Thanks for your interest.
Written & edited by:
NASA Discovery & New Frontiers Programs
Public Engagement Manager
Jet Propulsion Laboratory