Recordeddatespace
GRAIL (Ebb and Flow) enters lunar orbit
GRAIL (Ebb and Flow), operated by NASA of United States, enters lunar orbit on 2012-01-01. Two spacecraft flying in formation mapped the Moon’s gravity field to a precision no other body has.
Historical — it happened, and the record is settled.
Subjects
- GRAIL (Ebb and Flow) · mission · not located
Evidence
Partly verified — Core facts are sourced; some optional detail is deliberately absent.
NSSDCA master catalogue — GRAIL
Launch and arrival dates for the twin GRAIL gravity mappers.
NASA Space Science Data Coordinated Archive · Partly verified
NSSDCA master catalogue, GRAIL entries