UNIVERSE
METEORITES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
comets and stars
|
|
stars and meteors
|
|
asteroid and meteors
|
|
comets and asteroid
|
Detailed explanation-1: -Explanation: Asteroids: made of rock and metal, less than 1000 km across. (Most asteroids are in orbit between mars and Jupiter.) Meteoroids: made of rock and metal, less than 300 meters across.
Detailed explanation-2: -They are among the most ancient objects in the solar system. The S-types ("stony") are made up of silicate materials and nickel-iron.
Detailed explanation-3: -Some asteroids are hundreds of miles in diameter, but many more are as small as pebbles. Most asteroids are made of different kinds of rocks, but some have clays or metals, such as nickel and iron.
Detailed explanation-4: -Asteroids are always found in space. Once it enters an atmosphere, it becomes a meteor, and then a meteorite after it hits the ground. Each are made of the same basic materials – minerals and rock – and each originated in space.