Models
Term used to describe the earth being at the center of the solar system.
What is Geocentric?
Term used to describe the moon when it is 75% full, or "humped back"
What is Gibbous?
Name for the center most portion of the sun.
What is the core?
Theories that describes what will happen to an object as it reaches a black hole.
What is special and general relativity?
Number that represents "G".
What is 6.67 x 10^-11 ?
Term used to describe a large meteor.
What is a meteorite?
Equation to solve for velocity (from unit 1).
What is v= D/t ?
Name of the geocentric model of the solar system produced around 140 AD.
What is the Ptolemy model?
What is "The Giant Impact Theory"?
This is the nuclear reaction that occurs on the sun.
What is fusion?
These are massive systems of stars, gas, dust, and dark matter bound together by gravity.
What are galaxies?
Graph used to determine the age of a star.
What is the H-R Spectrum/diagram?
Group of stars, that when seen from Earth, they form a pattern
What is a constellation?
Name of law that explains why a skateboard will continue rolling down the sidewalk unless it is stopped.
What is the law of conservation of energy?
Astronomer responsible for theorizing the sun was at the center of our universe.
Who is Nicolaus Copernicus.
Phenomena that alters the tides on earth.
What are phases of the moon?
phase of a stars life cycle where a star is born.
What is a stellar nebula?
These are known as the 3 (or 4) fundamental forces of the universe.
What are strong nuclear, electromagnetic, weak nuclear, gravitational.
Equation used to calculate velocity of an object in outer space.
Sqrt (GM/R)
Mercury, Venus, earth, mars.
What are the terrestrial planets?
Scientific notation for 0.0007.
What is 7 x 10 ^-4 ?
Theory used to understand that the earth is continuously expanding. This is determined by the wavelength of light as objects move farther away.
What is the Red shift theory?
Moon phase that occurs because the moon is in the closest position towards the sun.
What is New moon?
Phase of a suns life cycle that occurs after a supernova.
What is a black hole? OR what is a neutron star?
Name of our Galaxy.
What is the Milky Way?
Equation used to find the escape velocity.
Sqrt (2GM/R)
Jupiter, Saturn, Uranus, Neptune.
What are the "gas" planets?
Unit used to measure energy.
What are joules?
Individual who created what we know as the current model of our universe.
Who is Johannes Kepler?
Best time to launch items from Earth? (moon phase)
What is first quarter and/or third quarter?
Location where nuclear reactions take place.
What is the core of the sun?
Force that determines the gravitational strength of planetary items.
What is mass?
Equation we use to calculate the gravitational force between objects.
sqrt (G (mm/ r^2)
Force that hold electrons to the atom.
What are Electromagnetic forces?
Newtons second law (equation).
F=MA
Main reason why the "Nicolaus Copernicus" model was wrong.
What is missing planets and planets not traveling in an elliptical path?
Phase of the mon where moon is closest to mars.
What is the full moon?
True or false: The younger the star, the more visible light that is emitted.
What is True?
Type of galaxy we exist in.
What is a spiral galaxy?
Orbital velocity of Moon z, if we know it has a mass of 10,000 kg, and orbits a radius of 100,000,000 meters.
what is 8.1 x 10 ^-8 m/s?
Hold's neutron and protons together.
What are strong nuclear forces?
Sam pushes on a rock with 7N towards west. Buck pushes on the rock with 8 N of force towards the east. The rock should roll ______ with a force of _____ newtons.
What is east, 1 N?
Primary evidence supporting the big bang theory.
What is cosmic microwave background radiation?
During the first and third quarter moon phases create these type of tides.
What are neap tides?
Outer most layer of the Sun that is the visible surface of the sun.
What is the photosphere?
Main element that composes suns of the galaxy/universe.
What is Hydrogen and helium?
Escape velocity needed to exit Moon z’s atmosphere, if we know the moon has a mass of 10,000 kg, and orbits a radius of the moon is 100,000,000 meters.
What is 1.15 x 10 ^ -7 m/s ?
Name for the cooler parts of the sun.
What are sunspots?
This is the acceleration of a car that weighs 1000 kg and has a net force of 2000 N.
What is 2 m/s ^2?