Astronomy
This motion gives a planet night and day
What is the rotation of the Earth?
Measurement of the ovalness of an ellipse
What is Eccentricity?
This is the luminosity of the Sun
What is one?
This is the age of our Solar System
What is 4.6 billion years old ?
This is the time it takes to complete one rotation
what is 24 hours?
This motion gives a planet it's year
What is revolution?
The force that causes a planet to speed up as it gets closer to the Sun
What is gravity?
This is the eccentricity of Earth
What is 0.017?
A super massive star becomes this at the end of it's life
What is a black hole or neutron star?
This is the time it takes to complete one revolution
What is 365 days?
These are all of the Terrestrial planets.
What are Mercury, Venus, Earth and Mars?
The eccentricity of this is zero
What is a circle?
This planet has the lowest eccentricity
What is venus?
Ceres, Pluto and Eris are examples of these
What are dwarf planets?
How long ago oceans formed on Earth
What is 4 billion years ago?
This is located between Mars and Jupiter
What is the Asteroid Belt?
This is the name of the point of a planets orbit where it is moving the fastest
What is perihelion?
This celestial object has the most elliptical orbital
What is Eris?
How long a Massive Star might live
What is millions of years?
This planets day is longer than its year
What is Venus?
The formation of heavier elements from lighter elements inside a star.
What is Nuclear Fusion?
When the distance between foci increases, the eccentricity does this
What is increase?
These 2 planets have the most similar shaped orbits
What are Jupiter and Uranus?
This is the last element created during Nucleosynthesis before core collapse
What is Iron (Fe)?
These are 2 white dwarf stars
What are Sirius B and Procyon B?