0
Explorer 1 entered orbital decay [See related link] on March 31, 1970
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What is the first artificial satellite to orbit another planet?
The second satellite to be sent into Earth orbit was "Sputnik 2".
What was the first us spacecraft to enter into an orbit around a planet other than the moon?
Voyager 1
How does the sun orbits oroung the moon?
The sun does not orbit around the moon. The earth orbits the sun and the earths moon (every planet has 1 or more moons) orbits earth.
Mars is closer to earth than the sun why does mars orbit the sun and not earth?
It doesnt orbit earth because the Suns gravity is stronger than earths gravity. And the sun is about 1 million times bigger than earth so with inertia and all it orbits the sun.
How big planets are from smallest to biggest?
Mercury's mass = 0.055 x Earths, Volume = 0.056 x Earths Mars' mass = 0.1075 x Earths, Volume = 0.151 x Earths Venus' mass = 0.815 x Earths, Volume = 0.857 x Earths (Earth) mass = 1 x Earths, Volume = 1 x Earths Uranus' mass = 14.536 x Earths, Volume = 63.086 x Earths Neptune's mass = 17.147 x Earths, Volume = 57.74 x Earths Saturn's mass = 95.152 x Earths, Volume = 763.59 x Earths Jupiter's mass = 317.8 x Earths, Volume = 1321.3 x Earths
Why do stars change position?
1) The earths orbit 2) the stars also have an orbit
When did explorer 1 first US satellite go in orbit?
Explorer 1 was in orbit for 111 days after launch on January 2 1958. I make that to be May 4, 1958.
How long does the earths orbit take?
365 1/4 days
One of the 1st American satellites in orbit?
Explorer 1 was the first American satellite launched into orbit.
What is the first artificial satellite to orbit another planet?
The second satellite to be sent into Earth orbit was "Sputnik 2".
What was supposed to be Apollo 1's landing location on the moon?
Apollo 1 was never designed to land on the Moon. It was designed to only enter Earths orbit as a test of the process. A fire in the command module concluded the mission.
Two reasons for seasons?
1. Tilt of earths axis 2. Earths axis remains parallel throughout its yearly orbit.
When was Explorer 1 sent into orbit?
After a number of failures, Explorer-I was the first artificial satellite orbited successfully by the USA. It was launched on February 1, 1958.
Is Explorer-1 an artificial satellite?
yes explorer 1 was the artificial satellite and after it was launched the United States became the second country to send a satellite in orbit
When was the satellite placed into orbit?
Explorer 1 (1958 Alpha 1) was the first Earth satellite of the US.
What was the first US spaceship to orbit the earth?
voyager Explorer 1 was the first US satellite to orbit the earth. It was proceeded by two Soviet Sputnik satellites.
What will be the diameter of the sun when its a red giant?
About 250 times greater than it is at the moment, or about the size of Earths orbit. 1 AU.
