Numbers in Astronomy
10,000,000 written in scientific notation.
What is 1 * 10^7
The object that our solar system is organized around.
What is the sun?
The number of days it would take the Space Shuttle to reach the sun.
What is 214 days?
The original view of the universe that the Sun and planets revolved around the earth.
What is geocentrism?
This was Kepler's major breakthrough in plotting the orbits of planets.
What is orbits are ellipses?
For every action there is an equal and opposite reaction.
What is Newton's 3rd Law?
The color on the light spectrum that requires a small amount of energy.
What is blue?
The amount that the sun is larger than the earth.
What is 109 times?
The amount of time it has taken for a Quasar's light to reach the earth.
What is billions of light years?
The view pioneered by Copernicus that the Earth and all bodies orbit the sun.
What is heliocentrism?
The location of the sun in an elliptical orbit.
What is on one foci?
The amount of matter an object contains.
What is mass?
The color on the light spectrum that requires a large amount of energy.
What is red?
The astronomical term for one trip from the Earth to the Sun.
What is an Astronomical Unit or AU?
The four forces that guide physics include, Gravity, Weak Force, Strong Force and______.
What is electromagnetism?
This person created the first modern telescope.
Who was Galileo?
The amount of time Mercury takes to orbit the sun.
What is 88 days?
The two things that determine a gravitational relationship.
What is mass and distance?
This is a measure in scientific notation for the speed of light.
What is 10*10^13?
A sphere of gas held together by its own gravity.
What is a star?
This process drives the nuclear activity on the sun.
What is Strong Force?
This element is referred to an "evolutionary constraint" for life on Earth.
What is oxygen?
This was the primary contribution of Tyco Brahe to the field of Astronomy.
What is mapping data on the precise positions of planets?
Newton never defined this important part of his gravity formula in his lifetime.
What is the Universal Gravitational Constant?
The light from a star travels on the red part of the color spectrum.
What is the light took millions of years to reach earth?
Rocky airless remnants left over from the beginning of the universe.
What is an asteroid?
The number of atoms in the air in the Milky Way
What is 1 atom per cm?
If the history of time in the universe was reduced to one Earth calendar year, this is the day humans would appear.
What is December 31st?
This happens as the planet draws closer to the sun in an elliptical orbit.
What is the planet speeds up?
The reason that an apple falls to the ground, but the moon does not.
What is the apple is closer the force of gravity - the center of the earth.