When a comet approaches the Sun, the ices sublimate, forming a brilliant outflowing atmosphere surrounding the comet’s nucleus known as?

  One part of a comet that have been ionized by UV photons.

A tiny body orbiting the Sun with a significant number of volatile ices in its makeup.

It is made up of a combination of volatile ices, mostly water ice, as well as silicate and organic dust particles.

It is also known as shooting stars, are pieces of dust and debris from space that burn up in Earth's atmosphere, where they can create bright streaks across the night sky.

When a meteoroid survives a trip through the atmosphere and hits the ground, it is called?

It is a type of meteorites that are made up of minerals that contain silicates—material made of silicon and oxygen.

It is a streak of light in the sky caused by a meteoroid crashing through Earth’s atmosphere.

 It is the most massive meteorites ever discovered. Their heavy mineral composition (iron and nickel) often allows them to survive the harsh plummet through Earth’s atmosphere breaking into smaller pieces.    

1.     What is the name of the asteroid with a diameter just less than 1000 kilometers?

  What are the 3 classifications of an asteroid?

These asteroids have orbits that make them come closer to Earth, which is why astronomers always track them to be aware of the ones that enter Earth’s atmosphere.

These are too small to be seen without a telescope; the first of them was not discovered until the beginning of the nineteenth century.

     Which of the following asteroid are arranged in descending order?