Origin of Universe
Enormous and estimated to be between 13-14 billion years old
What is the Universe?
What is page 15?
Orbiting around another object
What is revolution?
This many planets orbit the sun in nearly circular orbits
What is eight?
A collection of asteroids that circle the sun between the orbits of Mars and Jupiter
What is the asteroid belt?
Current widely accepted theory of the origin of our Universe, states the universe began as a tiny singularity and violently exploded
What is Big Bang Theory?
What is the name of the diagram used to examine characteristics of stars?
What is HR Diagram?
The 24 hour motion of Earth spinning on its axis
What is Rotation?
Other celestial objects in our solar system include asteroids, comets and
What is meteors?
The study of the earth divided into two branches, historical and physical
What is geology?
Light from distant galaxies that are moving away from us is stretched out appears ______ in color
What is red?
HR Diagram used to classify stars is short for
What is HertzSprung Russel Diagram?
The geometric shape of all orbits
What is an ellipse?
These planets are small, rocky, and dense
What is terrestrial?
In the main sequence, as temperature increases, _______ increases
What is luminosity?
What is luminosity and surface temperature?
This measures the deviation of a orbit from a perfect circle, and falls between 0 and 1
What is eccentricity?
These planets are large, gaseous giants with a low density
What are Jovian Planets?
What is gravity
What is the most widely supported theory of the origin of our Solar System?
What is nebular hypothesis?
Luminosity measures the _________ of a star
What is brightness?
The force of gravity between two objects depends on two key factors
What is mass and distance?
Our sun is a average sized star located with a spiral galaxy known as the
What is the Milky Way?
This phenomena provides evidence of earth's revolution
What are seasons?