Big Bang Theory
What is the most commonly accepted theory for the creation of the universe?
Big Bang Theory
What does Geo mean?
Earth
What is the name of our galaxy?
The Milky Way
Which planet is no longer considered a planet?
Pluto
Comet
When was the universe created?
10 to 20 billion years ago
Who created the geocentric theory?
Ptolemy
What do galaxies consist of?
Stars, dust, and gas.
What causes a planet to be shaped in a spherical shape?
Gravity
What is an meteoroid that burns up in the Earth’s atmosphere?
Meteor
The study of the origin, structure, and future of the universe is?
Or
The study of space?
cosmology
Astronomy
Ptolemy believed the Earth was the center of the solar system because objects had an attraction to Earth? What is this called?
Gravity
What are the three types of galaxies?
Spiral, Elliptical, and Irregular
Earth seems to be the only planet in our solar system that can support life. What is needed to support life?
The presence of water
What is a meteoroid that hits the earth’s surface?
Meteorite
How can you calculate the age of the universe?
Measure the distance from Earth to various galaxies.
Calculate the ages of old, nearby stars.
What is the biggest difference between the Geocentric Model and the Heliocentric Model?
the center of the solar system
Where is the solar system located in the Milky Way galaxy?
The outer rim arm of the Milky Way galaxy.
Which planet does NOT have a moon orbiting around it?
Mercury
What is the difference between a meteoroid, meteor, and meteorite?
The difference is just based on where the rock is located when you are describing it.
Who supported the theory of the Big Bang Theory?
Edwin Hubble
Why did people believe in the Geocentric vs the Heliocentric solar system?
Geocentric system had been around for a LONG time
There wasn't enough proof to support the Heliocentric system.
Who classified galaxies?
Edwin Hubble
Place these in order from smallest to largest?
Universe, Earth, Galaxy, Solar System
Earth, Solar System, Galaxy, and Universe
What two regions are comets located?
Oort Cloud and Kuiper Belt