includes living things, planets, stars, galaxies, dust clouds, light, and even time.
What is the Universe?
Developed model of the universe with the sun in the center without using equipment.
Who is Copernicus?
Discovered that planets are on elliptical orbits
Who is Kepler?
All objects in the solar system travel around the sun in this kind of orbit that is not circular, but more oval shaped.
What is elliptical orbit?
Made 1st observations of solar system (Jupiter’s moons and phases if Venus) with telescope; an object's weight does not affect its movement
Who is Galileo Galilei?
This is a chunk of matter that contains dust, rock, and metal. It is often found between Mars and Jupiter (Asteroid Belt).
What is an asteroid?
The object is very small and is sometimes able to pass through Earth's atmosphere but is too small to detect.
What is meteorite?
The most commonly accepted theory today of the formation of the universe. This theory states that the universe originated sometime between 10 billion and 20 billion years ago from an enormous explosion of a small volume of matter at extremely high density and temperature.
What is the Big Bang Theory?
Planets & stars were spheres; spherical Earth; stated Earth was a prime object in our solar system.
Who is Aristotle?
This object is made-up of rocky debris and is about the size of a pebble.
What is a Meteoroid?
Stars/galaxies moving away from us shift to longer wavelengths (look more red) and moving towards us toward shorter wavelengths (looks more blue).
What is the redshift/blueshift?
He was an astronomer and mathematician. He believed that the Earth was the center of the Universe.
Who is Ptolemy?
This object is known as a celestial phenomenon of the heavens. It is capable of hitting Earth. And it is often referred to as a shooting star.
What is a Meteor?