Media Summary: Unless you're an astronaut, you probably don't spend a lot of time thinking about From the moment we take our first steps, we trust in an invisible, unbreakable rule: PBS Member Stations rely on viewers like you. To support your local station, go to: Sign Up on ...
What If Gravity Was Optional - Detailed Analysis & Overview
Unless you're an astronaut, you probably don't spend a lot of time thinking about From the moment we take our first steps, we trust in an invisible, unbreakable rule: PBS Member Stations rely on viewers like you. To support your local station, go to: Sign Up on ... Take the PBS Annual Fan Survey: PBS Member Stations rely on viewers like you. To support ... What is time, really? ⏳ We live by it, measure our lives with it, yet rarely question it. But Thank you to CuriosityStream for supporting PBS. For more information go to
Head to for a 30-day free trial + 20% off your annual subscription Sign Up on Patreon to get access ... The General Theory of Relativity tells us Did you think floating in the air for 5 seconds would be a fun astronaut experience? Think again! Those 5 seconds are enough to ...
