Theories of Universe
The Big Bang refers to the creation of_________
The universe
Which planet is the closest to the Sun?
Mercury .
What star is at the center of our solar system?
The Sun
This planet has 63 moons.
Jupiter
What is the name of the galaxy that we live in ?
The Milky Way
What force causes the meteor's speed to increase the closer it gets to Earth.
Gravity
A decrease in distance leads to an _________ in the force of gravity?
increase
What inner planet is known for having a thick atmosphere that traps heat, making it the hottest planet in our solar system?
Venus
How are Galaxies classified?
Why does the moon orbits around the Earth?
The existence of the force of gravity
A increase in distance leads to an ________ in the force of gravity?
Decrease
This gas causes Uranus and Neptune to look blue?
Methane
What makes up a galaxy?
A massive collection of star systems orbiting a central point
What is the most massive object in our solar system?
Sun.
What factor controls the motion of a planet's orbit in the solar system?
The gravitational pull of the Sun
Composed of dust, rock and ice?
comet
What evidence is currently still happening that support the big bang theory?
The universe is still constantly expanding
What is the Red Spot on Jupiter?
A raging storm
What in space is closely monitored by scientists in order to avoid a potential collision?
Asteroids
Comets travel around the sun in an ______ orbit?
elliptical
What is the main difference between the heliocentric theory and geocentric theory.
The heliocentric theory has the Sun as the center of the solar system, and the geocentric theory has the Earth has the center of the solar system
Jupiter is the ______ planet from the sun and the_____ in our solar system.
Fifth planet from the Sun and the largest in Earth's Solar System.
If you looked through a telescope and saw a spot followed by a stream of dust that looks like a tail. What would it be ?
A comet
Large dirty snowball?
comet
What was the main evidence used to prove the big bang theory?
The observation that galaxies are moving away from each other.
What has the greatest gravitational pull and why? Moon , Earth, Star or Galaxy
A galaxy. Because of its mass.
What is the order of the planets from the Sun, starting with the closet planet to the Sun?
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
A piece of rock similar to the material that formed planets.
Asteroid
What mathematician first proposed a heliocentric model of the solar system?
Copernicus
What causes planets to orbit the Sun rather than the Sun to orbit the planets?
The Sun has a greater mass than the planets.
Which planet is known as the "Red Planet"?
Mars
Pluto is a _______ planet
Dwarf
Where in the Milky Way is Earth's Sun?
In one of the rotating arms
A star system held together by gravity, containing billions of stars, dust, and gas, is called a ________.
What is the largest planet in our solar system?
Jupiter
The asteroid belt is located between _____ and _____?
Mars, Jupiter
What are the tree types of galaxies.
Elliptical , Spiral, and Irregular.
True or False: The Andromeda Galaxy is the closest major spiral galaxy to our own Milky Way Galaxy.
True
What is the hottest planet in our solar system?
Venus
This planet is known for its impressive ring system.
Saturn