Question

what is the lunch of our earth??

Answer 1

Twin Spacecraft Launch to Track Earth's Water Movement. A joint U.S./German space mission to track the continuous movement of water and other changes in Earth's mass on and beneath the planet's surface successfully launched at 12:47 p.m. PDT (3:47 p.m. EDT) Tuesday from the California coast

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Answer 2

Hi dear here is your answer
Sputnik 1 was launched in 1957, and just three months later, it spontaneously de-orbited and fell back to Earth. The particles from our atmosphere rise far above any artificial line we've drawn, affecting all of our Earth-orbiting satellites.