Assertion: martian gravity | /r/HasProperty | one-third of earth
Facets:
Source sentences:
text: A flight lasts 90 to 100 minutes,[full citation needed] and consists of fifteen parabolas, each of which simulates about 30 seconds of reduced gravity: one that simulates Martian gravity (one-third of Earth's), two that simulate Lunar gravity (one-sixth of Earth's), and 12 that simulate weightlessness.