Astronauts can get motion sick while splashing back down to Earth – virtual reality headsets could help them stay sharp The conflict between the brain's expectation of Earth's gravity and the reality of no gravity causes space motion sickness. Astrobitica November 8, 2025 (Last updated: November 8, 2025) 1 minute read The conflict between the brain’s expectation of Earth’s gravity and the reality of no gravity causes space motion sickness. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: This Week In Space podcast: Episode 185 — Gutting GoddardNext: Space.com headlines crossword quiz for week of Nov. 3, 2025: Which meteor shower peaked this week?