Curious Kids is a series for children of all ages ... Mateo, age 8, New York, New York Flying through Earth’s orbit are thousands of satellites and two operational space stations, including ...

Since the Soviets launched the first satellite in 1957, humans have put tens of thousands of objects in Earth’s orbit. Each dot represents one of 9,000 satellites orbiting the Earth. They enable ...

Though we can't feel it, Earth zooms through its orbit at an average velocity of 18.5 miles a second. During this circuit, our planet is an average of 93 million miles away from the sun ...

DR MAGGIE ADERIN-POCOCK:'In 1957, a Russian rocket carried the first man-made object 'into orbit above the Earth. 'No bigger than a beach ball, Sputnik stayed in orbit for three months.