Who discovered the elliptical nature of planet's orbits around the Sin?
Kepler's 2nd Law states that
All planets travel in an elliptical orbit
Planets will sweep out equal areas of their orbits in equal time
The square of a planet's period will be equal to the distance of that planet
from the Sun cubed.
The force of gravity increases with the masses of the objects in a system and
decreases as those objects get closer to one another.
A tiny solar system is discovered in a far corner of our Galaxy. In that solar
system the mass of the star is 300,000,000 kg and the mass of it's closest
orbiting planet is 47,500 kg. If that planet is 23,400,000 meters away from the
star, what is the force of gravity between that star and it's planet?
Which of the following is not one of Earth's spheres?
Describe at least one interaction between at least two of Earth's spheres in the
picture (answer in one or two complete sentences.)
tsunami in Sumatra-
What type of boundary is pictured?
What is the name of the process that the oceanic plate is undergoing?
Why does the oceanic crust move beneath the continental crust?
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