SOLAR SYSTEM

UNIVERSE

SATELLITESICY BODIES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Sputnik I lasted for how long?
A
21 days
B
2 weeks
C
5 months
D
3 years
Explanation: 

Detailed explanation-1: -After 692 days in orbit, Sputnik 3 reentered the atmosphere and burned up on 6 April 1960. It was powered by silver-zinc batteries and silicon solar cells which operated for approximately 6 weeks.

Detailed explanation-2: -It achieved an Earth orbit with an apogee (farthest point from Earth) of 940 km (584 miles) and a perigee (nearest point) of 230 km (143 miles), circling Earth every 96 minutes and remaining in orbit until January 4, 1958, when it fell back and burned in Earth’s atmosphere.

Detailed explanation-3: -The orbit of Sputnik 2 decayed and it reentered Earth’s atmosphere on 14 April 1958 after 162 days in orbit.

Detailed explanation-4: -Sputnik 1 was the first artificial satellite to go around the Earth. It was made by the Soviet Union. It was launched on 4 October 1957 at Baikonur Cosmodrome. It orbited (went around) the Earth for three months.

There is 1 question to complete.