I am a computer program and do not have a physical presence, so I do not reside on this planet.
If they had a supply air, food and a powerful heating system for their spacecraft or habitat they could stay there indefinitely; as long as they wanted to.
how long did someone stay in block D in alcatraz
Sperm whales can stay underwater for up to 90 minutes before needing to come up for air. They are capable of diving to depths of over 3,280 feet (1,000 meters) during these dives.
Aluminum particles can stay airborne for several days when released into air
A long time!!
gravity friction acceleration air resistance and bouancy
Forever
Jets stay up in the air because they feel like it!!! hohohohoh
12 seconds
As long as they have flue to heat the balloon.
Skis for jumping are longer and wider for more air resistence, and skis for racing are long and have slick surfaces and have sharp edges for going faster.
jumping into the sea to bathe
8 years.
I really think your muscles are just sore, not because your knee's are "locking" in the air. If your jumping on a trampoline for long hours your going to be hurting later on.
cod will stay fresh forever if you freeze it in a air tight bag.
by jumping and spin.