This causes the seasons.
What is tilt? (angle?)
This is the phase of the moon you can see over your head at sunrise.
what is 3rd Quarter?
This scientist proposed that the sun was the center of the solar system
Who is Copernicus? (how effective was his system, why)
This is the speed of light you have to memorize.
What is 3X108
This is the reason why religion can not be scientific.
It can not be tested.
This type of planets can transit the sun.
What are inferior planets? (mars?)
During this is the type of eclipse the eclipse can be seen by the least amount of people.
what is a solar eclipse? (why?)
This astronomer was the first to point a telescope at the sky.
Who is Galileo?
This principle was shown in an experiment conducted on the Moon when Apollo astronauts dropped a hammer and a feather at the same height at the same time on the Moon.
What is "all objects accelerate at the same speed in a vacuum."
This sets Ancient Greek scientists apart from previous scientists.
What is they used math and logic to explain natural phenomena?
This is the unit we would use to measure the distance between an exoplanet (a plant not in our solar system) and its star.
What are Astronomical Units?
This percent of the moon is illuminated at any one time.
What is 50%?
This astronomer showed that the heavens were imperfect and change and made the most accurate astronomical observations with the naked eye
Who is Tycho Brahe? (How he died)
Einstein's famous equation E=mc^2 showed these two properties are conserved together.
What are mass and energy?
These are the units in which declination is measured.
What are degrees arc minutes and arc seconds?
These imaginary cycle on top of orbits explained planetary motion in the geocentric modules.
What are epicycles?
If a spring tide is highest at noon, this is the phase of the moon.
What is new moon?
Which historic astronomer, first described the correct motions of the planets.
Who is Kepler? (what are his laws?, pie Kepler belt.)
This is the location of the center of mass between the Earth and the Sun.
What is inside, but not the center?
This kind of energy keeps your cells alive.
What is potential/ chemical potential? (what about a plant cell?)
The stars in the Big Dipper are close to the star Polaris, the north star. This is the time where America can see the Big Dipper.
What is always? (Why?, Who can't see it?)
This anatomical feature of the Earth-Moon system is why we don'tr have eclipses every two weeks.
What is line of nodes?
This is the greek scientist who discovered the circumference of the earth using wells at the summer solstice.
Who is Eratosthenes?
(You may use book) all the evidence collected over the years about light points to the fact that this is the nature of light.
A particle and a wave.
This month is measured by the amount of time it takes for the moon to go from one zodiac constellation to another one.
What is a sidereal month? (what is the other month called?)