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Formulas
Astronomers
Mass
Vocabulary
Radius'
100
(TA/TB)2= (RA/RB)3
What is the formula for the ratio of the average distances from the sun?
100
Hale-Bopp
Who discovered Haley's Comet?
100
Mass related to the inertia of an object
What is inertial mass?
100
Over 200 years per revolution.
What is a comet (long period)
100
6.38 x 10 to the 6th Meter
What is the radius of the sun?
200
Fnet= G(M1M2/R2)
What is the equation for Fnet
200
He discovered gravity and developed the law of universal gravitation
Who is Issac Newton
200
A quantity that measures an object's response to gravitational force.
What is gravitational mass?
200
under 200 years per revolution
What is a short comet?
200
2.44 x 10 to the 6th Meter
What is the radius of Mercury
300
1/r(squared)
What is the inverse square law
300
He believed in the Heliocentric model and that orbits were not perfect circles/
What are Copernicus' beliefs?
300
5.98 x 10 to the 24 KiloGrams
What is the mass of earth?
300
The paths of the planet are elipses
What is the first law that describes planetary motion?
300
6.03 x 10 to the 7 Meter
What is the radius of Saturn?
400
T= 2π√r3/Gms
What is the period of a planet orbiting the sun formula?
400
Created the first observitory and credited with the most accurate measurements of the time.
What is Tycho Brahe credited with?
400
The net force
What is the mass compared against?
400
An imaginary line from the sun to the planet sweeps out equel areas
What is the second law that describes planetary motion?
400
2.48 x 10 to the 7 Meter
What is the radius of Neptune?
500
Ac
What is =4(pi)(squared)/T(squared) + Fnet equal to?
500
The 3 laws that describe artificial and natural motion of planets.
What did Johannes Kepler develop?
500
The Fnet
What is the mass of a planet times the Ac?
500
The square of the periods of planets A and B are equal to the cube of the ratio of their average distances from the sun
What is the third law that describes planetary motion?
500
6.05 x 10 to the 6 Meter
What is the radius of Venus?