SOLAR SYSTEM

UNIVERSE

ASTEROIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Meteoroids ____ (Choose all those apply)
A
are still in space
B
are always huge.
C
are made of ice and dirt.
D
may become either meteors or even the meteorites.
Explanation: 

Detailed explanation-1: -They orbit the sun among the rocky inner planets, as well as the gas giants that make up the outer planets. Meteoroids are even found on the edge of the solar system, in regions called the Kuiper belt and the Oort cloud.

Detailed explanation-2: -Meteors are solid that evaporates on entering the earth’s atmosphere. If it survives on reaching the ground, it is called as meteorite. Hence we can say that meteorite is a meteor that doesn’t get evaporated on reaching the earth’s surface. Therefore, option (C) is correct and rest of the potions is incorrect.

Detailed explanation-3: -Meteorites have traditionally been divided into three broad categories: stony meteorites are rocks, mainly composed of silicate minerals; iron meteorites that are largely composed of metallic iron-nickel; and, stony-iron meteorites that contain large amounts of both metallic and rocky material.

Detailed explanation-4: -Some come from comets, others from asteroids, and some even come from the Moon and other planets. Some meteoroids are rocky, while others are metallic, or combinations of rock and metal. When meteoroids enter Earth’s atmosphere, or that of another planet, like Mars, at high speed and burn up, they’re called meteors.

Detailed explanation-5: -Most meteoroids that enter the atmosphere burn up completely as meteors. In some cases, however, the meteoroid does not completely burn up, and the object actually makes it to Earth’s surface. The chunk that has survived its fiery journey is called a meteorite.

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