5 Absurd Space Myths That NASA Helped Debunk
bgr.com • • science
Key Points:
- NASA continues to advance our understanding of space, debunking long-held myths such as the sun being a ball of fire, explaining it as a ball of gas fueled by nuclear fusion with heat generated by radiation.
- The popular belief that the Great Wall of China is visible from space has been disproven by astronauts and NASA missions, as it is not discernible to the naked eye even from low Earth orbit.
- Contrary to sci-fi portrayals, the asteroid belt is mostly empty space, making collisions with asteroids extremely unlikely, as demonstrated by NASA's Pioneer 10 probe safely traversing the region without incident.
- Exposure to the vacuum of space is not instantly fatal; while lack of oxygen and low pressure pose serious risks, NASA's experiments show that death is not immediate and body heat dissipates slowly in space.
- Water exists abundantly in space, including massive amounts of water vapor found around distant black holes, highlighting the vast mysteries still to be explored beyond our solar system.