The Universe
The Big Bang happened roughly how many years ago?
14 billion
"The law or culture of the stars"
What is Astronomy
Inventor of the telescope
Galileo
The Earth and heaven is perfect because God is perfect was the belief of which ancient philospher/astronomer?
Aristotle
Is the universe still expanding, or getting smaller?
Expanding
What is the heliocentric model?
The sun is the center of the solar system
How long does it take for light to travel from the sun to the Earth?
About 8.5 minutes
Who wrote the book Principia Mathematica in 1687
Isaac Newton
Who studied the fabric of space and time?
Albert Einstein
What is the definition of science?
A body of knowledge and the method of how we learn that knowledge
How much of the universe can we actually see? (%)
4%
What is the geocentric model?
The Earth is the center of the solar system
Another name for a UAP (studied by NASA)
UFO
Name the TWO astronomers who discovered and studied the concept of gravity
Isaac Newton and Robert Hooke
"The study of the stars"
What is Astrology
Describe the death of a star
The star runs out of fuel, collapses at the core, and releases its last bit of energy
Astrophysicist
Ripples in spacetime that are caused by the movement of massive objects like black holes or neutron stars are called what?
Gravitational waves
Who was the first to believe and provide proof for the heliocentric model?
Nicholaus Copernicus
Describe retrograde motion
When an object appears to be moving in a different direction than other objects in that system
What evidence do we still see today that supports the idea of the Big Bang?
static on the tv and radio - some of it is an echo of the big bang!
The measure of the brightness of an object
magnitude
What law states that the farther away a galaxy is from us, the faster it is moving?
Hubble's law
Discovered that the orbit of planets is not a perfect circle, but instead is elliptical
Johannes Keppler
Name all 4 major pieces of Galileo's evidence for the heliocentric model
"scars and dimples" on the moon
spots on the sun
Jupiters moons
venus has phases