They are falling but their horizontal motion means that their fall and the curvature of the Earth match so the continually miss the Earth.
about a 100 basket-ball sized satelittes fall every year.
They're given enough tangential velocity ('sideways' speed, parallel to the earth's surface) so that the curve of the earth falls away just as fast as the satellite falls.
Because it have some gravity from space.
Yes, but they do not "feel" gravity, because they are falling - "free fall" in orbit around the Earth.
that is because the 0 gravity keeps it in space and the orbit brings them around without knocking them down or anywhere else
Technically - they're constantly falling !... They're placed in a high enough orbit so that their forward speed counteracts the (much reduced) effect of gravity.
Kind of, yes. It's a balance between orbital velocity, which is the high speed relative to the ground, and gravity, which is the force keeping the object in orbit.
Satellites do not fall to Earth because they are in a state of free fall while traveling at high speeds in a low Earth orbit. This balance between their forward velocity and the gravitational pull of the Earth creates a continuous curve in their trajectory, allowing them to "fall" around the Earth rather than directly towards it. As a result, they maintain a stable orbit instead of crashing to the ground.
It usually means that you were in the sky or orbit, and Earth's gravity caused you to fall through the air towards the ground. Basically, falling out of the sky. Which, you most likely would not survive if you hit the ground.
It usually means that you were in the sky or orbit, and Earth's gravity caused you to fall through the air towards the ground. Basically, falling out of the sky. Which, you most likely would not survive if you hit the ground.
so you dont touch the lenses and get smears on them and so that the device does not fall and break on the ground
it is easy to fall on a icy day because the ground is very slippy and our shoes dont always have good enouhg grips for the ice.