Universe
Evidence the universe is expanding.
What is galaxies are seen moving farther away from us?
The first elements made after the Big Bang.
What are Hydrogen and Helium?
The force responsible for the formation of the universe.
What is Gravity?
What is its temperature?
The average color of a high temperature star.
What is blue/white?
The three types of galaxies.
What are Spiral, Elliptical, Irregular?
A period of rapid expansion from a single, dense, hot point in which the universe was created.
What is the Big Bang?
Two factors causing gravity.
What are mass and distance?
The distance light travels in one year.
Category of most stars.
What is main sequence?
The approximate age of the universe.
What is 14 billion years?
The method used to determine if a star is moving away from Earth.
The strongest gravitation force on the oceans causing tides.
What is the moon's?
Reaction when 2 smaller elements fuse to form a larger element.
What is nuclear fusion?
Variables of the Hertzsprung Russel Diagram.
What are luminosity and temperature?
Make up of 95% of the universe.
What are dark energy and dark matter?
Two things packed into a small space at the time of the Big Bang?
What is all matter and energy?
Factors keeping a celestial object in orbit.
What are gravity and inertia?
The difference in Blue Shift and Red Shift.
What is Red Shift is objects moving away and Blue Shift is objects moving closer?
The 4 main types of stars.
What are Main Sequence, Red Giant, Supergiant, White Dwarf?
Reason for the expansion of the universe.
What is Dark Energy?
The first step after the Big Bang?
What is inflation?
Type of tide during full and new moons.
What is spring tide?
Beginning stage of stars' life.
What is a stellar nebula?
Two possible end of life stages for a massive star.
What are Neutron star or black hole?