Low gravity makes it difficult to tell if your bladder is full, because the bladder’s stretch receptor nerves don’t feel the weight of the liquid. Astronauts are trained to empty their bladders every two hours because of this.
If you jumped off a 5ft ledge on neutron star by the time you hit the ground you would be doing 4 million miles an hour.
NASA cannot bring birds into space because birds need gravity to swallow.
NASA will pay you $15,000 to lay in bed for 90 days, measuring the effects of zero gravity on your body.
In the 1960’s, it was discovered that Canada had lower gravity then other parts of the world.