by Phobos and Deimos, two satellites of Mars, originated from disintegration of a much larger moon between 1 and 2.7 billion years ago, according to new computer simulations and an analysis of data from NASA’s InSight mission.
Phobos and Deimos were discovered by the American astronomer Asaph Hall at the Naval Observatory on August 18, 1877.
Source
Phobos and Deimos were discovered by the American astronomer Asaph Hall at the Naval Observatory on August 18, 1877.
Source
