Stars
Hot stars are the color of ________ or ________.
What planet is closest to the Sun?
Mercury
The distance from the Earth to the Sun is measured in a(n)
Astronomical Unit
A _________ is a group of stars, gas, and dust held together by gravity.
Galaxy
What is the CENTER of our solar system?
Sun
Cool stars are the color of _______ or ________.
Red or Orange
________ is the largest planet in the solar system.
Jupiter
What is considered the Earth's satellite?
the Moon
Why can't a person see the Milky Way from Earth?
Earth is inside the galaxy
There is more than one planet in our solar system that has _________.
Rings
Some stars are hotter or cooler than others. Which type of stars has the coolest temperature?
Red
Which planet is the third from the Sun?
Earth
A ________ is a group of stars that make an imaginary shape in the night sky.
Constellations
What are the four types of galaxies?
Spiral, Barred Spiral, Elliptical, Irregular
The outer planets are classified as ________ planets.
Gas Giant
A star is described as a huge sphere of very hot glowing ________.
Gas
Saturn is the _________ planet from the Sun.
Sixth
Earth's tilt and its revolution around the Sun causes ________.
Seasons
The following is a description of which type of galaxy: This galaxy is neither spiral nor elliptical. Its shape seems to follow no set pattern.
Irregular
What is a characteristic the inner planets have in common?
They are all terrestrial
What describes a young star?
Nebula
Uranus rotates which direction?
East to West
Stars are born in huge clouds of gas and dust known as ___________.
Nebulas
The following is a description of which type of galaxy: consists of a large, flat disk of interstellar gas and dust with star clusters extending from the disk in a spherical pattern.
Spiral
List the inner planets
Mercury, Venus, Earth, Mars
Our Sun is classified as a certain type of star. What type of star is our Sun?
Yellow Dwarf
Which planet spins backwards?
Venus
When do supernovas occur?
When they run out of nuclear fuel in their cores
The following is a description of which type of galaxy: sometimes the flat disk that forms the center of a spiral galaxy is elongated into a bar shape. Two arms contain clusters of stars swirling out from either end of the bar.
Barred Spiral
List the outer planets
Jupiter, Saturn, Uranus, Neptune
Stars are classified in different ways. What is the best description of how they are classified?
According to temperature and brightness
Mars is often called the Red Planet. What causes the surface to appear red?
Iron oxide, known as rust, is found in the rocks
Our galaxy, the Milky Way, is classified as a particular galaxy. Which type of galaxy is the Milky Way?
Barred Spiral
The following is a description of which type of galaxy: Nearly spherical to oval in shape, and they consist of a tightly packed group of relatively old stars.
List all 8 planets in order!
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune