Mass Moves Mass
This force causes objects with a large mass to attract other objects.
What is Gravity?
This measurement is multiplied by the gravitational constant and then divided by the radius2 to find the surface gravity of a planet.
What is mass?
These planets are made up of substances such as helium and hydrogen.
What are gas giants?
A day on this planet is 24 hours and 37 minutes long.
What is Mars?
This famous physicist discovered gravity in 1666.
Who is Isaac Newton?
This planet has a mass of more than double that of all the other planets in the solar system combined.
What is Jupiter?
This "planet' was discovered in 1930 by Clyde Tombaugh.
What is Pluto?
A day on this planet is longer than a year on this planet.
What is Venus?
This celestial body has a surface gravity of around 1.62 m/s/s.
What is the moon?
This celestial body has a mass that is around 333,000 times more than that of Earth.
What is the Sun?
This planet is not a perfect circle, and has a larger radius at the equator than it does at its poles.
What is Saturn?
Since its discovery, this "planet" is still yet to complete a full orbit of the sun (year).
What is Pluto?
The gravity of a planet affects the ___ of an object.
What is weight?
The mass of this planet has 24 0s.
What is Earth?
This planet appears to spin sideways when viewing from Earth.
What is Uranus?
A day on this planet lasts over double the length of a year on this planet.
What is Mercury?
Planets with a larger ____ have a weaker surface gravity.
What is radius?
This planet has a mass of around 102,400,000,000,000,000,000,000,000 kg.
What is Neptune?
These planets consist mainly of heavier materials, such as frozen water, methane and ammonia.
What are ice giants?
Days on this planet last only 9.9 hours (the shortest in the solar system).
What is Jupiter?