What is the name of our Galaxy?
The Milky Way
Which planets are referred to as the gas giants?
The outer planets, (Jupiter, Saturn, Uranus, Neptune)
Why is the sun considered to be the center of the solar system?
Everything in the solar system revolves around the sun.
How many stars are in our Solar System?
One, the Sun
Name the largest planet in our solar system
Jupiter
(it has a mass 300 times greater than Earth)
What are Galaxies made of?
Stars and objects around them as well as gas, dust and gravity.
Name the planets in order from closest to the sun to farthest from the sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
Our solar system consists of eight planets. What is a planet?
A large object in space that revolves around a star in its own orbit
There are many different colors of stars. What characteristic determines the color of a star?
Temperature
What is the process of Earth traveling around the sun called?
Orbiting/Revolution
There are several different types of galaxies. How do scientists classify galaxies?
By shape
Why do the planets orbit the sun?
The planets are pulled in by the sun’s gravity.
What is found between the inner planets and the outer planets?
Asteroids
Elliptical galaxies are brightest toward the center, why?
The center is crowded with stars, and the number of stars decreases farther out.
Planets with a rocky composition are...
Inner planets, (Mercury, Venus, Earth, and Mars)
There are two types of spiral galaxies. What is a difference between a barred spiral galaxy and a normal spiral galaxy?
the shape of the galaxy’s center
True or False:
Earth's surface is similar to Saturn?
False
Ganymede is a moon of Jupiter. It is larger than Mercury and has a metallic core similar to Earth’s core. Which of these statements best explains why Ganymede is classified as a moon rather than a planet?
It orbits Jupiter instead of the sun.
What makes the sun more important than the other stars?
When compared to other stars, the sun is very close to Earth.
Why does the sun appear brighter and larger than other stars?
It is the closest star to Earth/the only star in our solar system
Two galaxies colliding with each other is known as...
A irregular galaxy
Which planet has a large solid core?
Mercury
What objects revolve around the Sun as part of the solar system that are not planets? (2 things)
comets & asteroids
If two stars are the same color then...
The stars are the same temperature.
Name the celestial body composed of ice and dust that can be found orbiting the sun.
Comics