What is the order from the smallest to largest : Galaxy, Universe, solar system.
Solar system, galaxy, and universe.
How did the big bang explode?
A Singularity exploded
Which is the closet planet to the Sun?
Mercury
Which is the largest planet in the Solar System?
Jupiter
What is a meteor?
A meteoroid that entered earth's atmosphere.
What is Earth's place in the universe?
The Earth is the third planet of the solar system.
True or False: After the Big Bang, gravity began to pull matter into clumps to form huge clusters which then became galaxies of the universe.
True
Which planet has ice cliffs?
Mars
Which is the coldest planet?
Uranus
Where is the Asteroid belt located?
Between Mars and Jupiter
How are distances in the universe measured?
The universe are so large that astronomers do not use kilometers to measure distance.
What was the name of the competing theory of the Big Bang
The steady state theory
Which planet is known as the Red Planet?
Mars
What are the rings made of?
ice and dust
Where do meteors come from?
The Asteroid Belt
What is the structure of the universe?
There are areas where galaxies are densely concentrated.
How long ago did the big bang occur?
About 13.7 billion year ago
Which planet is very hot during the day, and freezing below zero at night?
Mercury
Which planet has a Giant Red Spot?
Jupiter
What are Meteors made of?
Rock and metal
What is the shape of the Earth's orbit around the Sun?Which makes 73 percent of the universe?
ellipse
Dark matter
The theory that most scientist believes explains how our universe began is called
The Big Bang Theory
What are the clouds on Venus made of?
Sulfuric Acid
Which planets have more than one moon?
Jupiter & Neptune
What does meteor, comets ,and asteroids all have in common?
They all orbit the sun