NASA's Perseverance Rover collects another sample from Mars. This is the seventh rock to be collected from the surface of Mars. This sample was taken from the Jazero crater on Mars. Perseverance is the size of a car. It will...
"NGC 891 is a galaxy about 30 million light-years away from the Andromeda galaxy, discovered by William Herschel on October 6, 1784. This galaxy is a member of the NGC 1023 galaxy in the local supercluster." Do you think We...
Look at the two pictures given to make this clear. The first is when someone throws a stone. The velocity of the stone is shown as two elements, vertical and horizontal. Since there is no force in the opposite direction...
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