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The tail of a comet always points
What is away from the sun
The brightest planet in our solar system
Who is Venus
Model that places the sun at the center of the universe
What is the heliocentric theory
The two main parts of a comet
What are the head and tail
Planets with both oxygen and liquid water
What is earth
Asteroids can range in size from
What is a house to a 1/3 of a moon
Newton says all planets are held in orbit by
What is Gravity
The "gas giants" include
Who are Jupiter, Saturn, Uranus, and Neptune
Name the inferior planets
What are mercury and Venus
This planet contain liquid metallic hydrogen
Who is Jupiter
People worried that the heliocentric theory would bring an increase in what kind of thinking
What is naturalism
The black mamba has enough venom to kill how many people?
What is about 25
Meteorite
What is a meteor that actually hits the earth
Name the terrestrial planets
What are mercury, Venus, earth, and mars
This Greek philosopher tried to fix the issues with the geocentric theory
Who is Ptolemy
When a planet is at its farthest point from the sun
What is its Aphelion
Also known as a shooting star
What is a meteor
The two major asteroid groups share an orbit with
What is Jupiter
Planets travel around the sun in a shape know as a
What is an ellipse
What a planet is at its closest point to the sun
What is the Perihelion
Two major issues with the geocentric theory
What are retrograde motion as well as why planets appeared to sometimes be close and bright and sometimes be far away and dark
Galileo studied these, which in turned helped support the heliocentric theory
What are the moons of jupiter
A person with Globophobia has a fear of what?
What is ballons
What makes dwarf planets different from normal planets
What is they are allowed to share their orbit with other objects
3 Criteria to be a planet
What are
Orbit the sun
Spherical shape
Not share its space with any other significant objects besides moons