Planets
Some scientists believe simple life may exist on Europa. This is most likely because Europa may have a
What is a large amount of liquid water
What is the Milky Way
Which question would BEST help a scientist determine if a space object is a comet, asteroid, or meteoroid?
Does the space object have a tail when it nears the Sun?
Relative
In comparison to something else
Which statement correctly compares meteoroids, meteors, and meteorites?
Meteoroids float in space, meteors move through the atmosphere, and meteorites have landed on the surface.
Which planet takes the longest to orbit around the Sun?
Saturn
Shape of our galaxy
What is a spiral
What is a comet?
A celestial body of ice, dust, and rock with an elongated and elliptical orbit
Composition
The general makeup of something
Herman saw a bright spot of flame fly through the sky and land in his backyard. When he explored, he found a smoking chunk of metal the size of his fist in a small crater. What did Herman find?
a meteorite
Which planets in the table are considered to be gas giants due to the compositions of their atmospheres?
Jupiter, Saturn, Uranus, and Neptune because of the hydrogen and helium
Halo
What is the part of the Milky Way that contains the oldest stars
What is an asteroid?
Large and small rocks or metallic masses orbiting the Sun; made up of materials similar to those that formed the planets
Characteristic
A feature that helps identify something
Which of the following is another name for meteors?
Shooting stars
Which statement is true of gas giants?
They are the farthest from the Sun in the solar system.
Bulge
Contains both old and young stars
Dirty snowball
What is a Comet
Terrestrial planets
Interior planets made mostly of rock. Earth-Like
What is the term for a meteoroid if it enters Earth's atmosphere?
a meteor
What is the order of the planets from the Sun in Earth's solar system, starting with the closest planet to the Sun?
Mercury → Venus → Earth → Mars → Jupiter → Saturn → Uranus → Neptune
Stars in the Milky Way
About 200 billion
Which of the following small bodies of the solar system form a belt between Mars and Jupiter?
asteroids
Atmosphere
What is the layer of gas surrounding planet Earth, held in place by gravity and composed of a limited number of elements, primarily nitrogen and oxygen
Meteoroid
A natural chunk of rock or dust existing outside of Earth's atmosphere