please help me if u know it!!?

Question

The Soviet Union launched Sputnik I, the world's first artificial satellite, on October 4, 1957. How big was Sputnik

was it
About the size of a basketball
About the size of a compact car
About the size of a school bus
About the size of a grapefruit

Answer 1

it was the size of a basketball

Answer 2

The satellite weighed about 83 kg (184 pounds). The Sputnik 1 satellite was a 58.0 cm-diameter aluminum sphere that carried four whip-like antennas that were 2.4-2.9 m long. The antennas looked like long "whiskers" pointing to one side. It had two radio transmitters (20 and 40 MHz) and is believed to have orbited Earth at a height of about 250 km (150 miles). Analysis of the radio signals was used to gather information about the electron density of the ionosphere. Temperature and pressure were encoded in the duration of radio beeps, indicating the satellite was not punctured by a meteorite. Sputnik 1 was launched by an R-7 rocket. It incinerated upon re-entry on January 3, 1958

Answer 3

hey if this is for fastweb I finally found the answer. It’s the size of a basketball. It’s 23 inches in diameter or something like that.

Answer 4

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Answer 5

any question like that you have, just go to wikipedia. It's the best info site on the web.