I remember in 1967 at the Canadian Expo in Montreal they were able to see the date on a dime placed on the sidewalk! So if they had that technology then, What do they have now? Or is it classified? Like other spy products.
One way to attack a satellite in Earth orbit is to launch a swarm of pellets in the same orbit as the satellite but in the opposite direction. Suppose a satellite in a circular orbit 500 km above Earth's surface collides with a pellet having mass 4.0 g. a) What is the kinetic energy of this...
My parents and I were staring at the sky tonight because the stars were AMAZINGLY clear, and we observed a tiny object appear from nowhere, traveling far too fast to be a plane and far, far too high up to be one either.
It wasn't a shooting star, because another one appeared a couple of minutes...
Sometime Last Summer I Was Looking For Satellites With Just My Eyes. And I Seen Three Moving Together All At Once You Know There Was Two Side By Side And The Other One Was In The Back Off To The Right From The Other Two. But There Was A Great Distance Between All Three Like 2 Or 3 Hundred Yards...
How many many satellites are there out there, hundreds, thousands, hundred-thousand if even more? Can they look over us at our everyday lives? If they can could they not use that to there advantages by looking out for terrorists attack plans and other threats.
Hi! I am a 13 yr old girl and I have just switched groups at my school, causing my whole timetable, topics and teachers to change. In Science I have a test coming up on Wednesday and have not been their for the topics of Space. It goes into quite alot of detail and I would be very very grateful...