UNIVERSE
LIFE IN THE SOLAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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all of these
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A comet does not have a reliable energy source.
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A comet does not have an atmosphere.
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A comet’s environment is not stable.
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Detailed explanation-1: -Comets are small icy dirtballs that orbit the Sun; comets are made of ice and dust while asteroids are made of rock). A meteor is a space rock-or meteoroid-that enters Earth’s atmosphere, as it – burns up upon entering Earth’s atmosphere, it creating a streak of light in the sky (often called “shooting stars").
Detailed explanation-2: -The solid, core structure of a comet is known as the nucleus. Cometary nuclei are composed of an amalgamation of rock, dust, water ice, and frozen carbon dioxide, carbon monoxide, methane, and ammonia. As such, they are popularly described as “dirty snowballs” after Fred Whipple’s model.
Detailed explanation-3: -At the heart of every comet is a solid, frozen core called the nucleus. This ball of dust and ice is usually less than 10 miles (16 kilometers) across – about the size of a small town.
Detailed explanation-4: -Comets have been called “dirty snowballs.” They are small celestial objects, made of ice, gas, dust, and a small amount of organic material, that orbit our Sun.