Asteroids
Is an asteroid smooth or rocky?
Rocky
Comets are?
Loose collections of dust and ice
____ are loose collections of ice, dust, and small rocky particles whose orbits can be very long, narrow eclipses.
Comets
Are asteroids bigger or smaller than planets?
Smaller
When a meteor enters earths atmoshphere it creates a streak of light true or false?
True
Does a comet have an orbit?
Yes
________ is a region of the solar system between mars and Jupiter.
Asteroid belt
When was the last asteroid to hit earth?
65 million years ago
Meteors come from what?
Tiny bits of rock and dust
When a comet gets close to the sun it.
Starts to glow
When a _____ enters Earth’s atmosphere, friction with the air creates heat and produces a streak of light. This streak is called a_____?
Meteor
About how many asteroids have been found?
100,000
What is the average diameter of a meteor?
10 meters across
The outer layer of a comet is a?
Coma
Clouds of gas and dust form a fuzzy outer layer called____?
Coma
Most asteroids are about how big in diameter?
Less than a kilometer
A meteor shower happens when?
Earth passes through an area with many meteoroids
The inner part of a comet is a?
Nucleus
Beyond the Kuiper belt, the ____ ____ stretches out more than 1,000 times the distance between the sun and Neptune.
Oort Cloud