Rocky bodies orbiting the sun that are "lefover" from the solar systems foundation. Most found between Jupiter and Mars
What are asteroids?
100
The largest object in our solar system
What is the Sun?
100
Jupiter, Saturn, Neptune, and Uranus
What are the gas giants?
100
Cloud of dust and gas that collapses on itself to form a star.
What is a nebula?
200
Icy, rocky remnants from the formation of the solar system
What is a comet?
200
A meteoroid that strikes the earth's surface
What is a meteorite?
200
The top layer of the sun's atmosphere; visible during and eclipse
What is the corona?
200
A dwarf planet under scientific discussion if it is a planet or not; has not cleared the neighborhood around its orbit and is not a satellite.
What is Pluto?
200
Formed from a star that is more than 20xs as massive as the Sun. Small extememely dense object with such a strong gravitational force that not even light can escape.
What is a black hole?
300
Theory that the Earth was the center of the solar system
What is Geo-centric?
300
Interplanetary material that is falling toward Earth and has entered Earth's atmosphere.
What is a meteoroid?
300
Luminosity, temperature, diameter
What are the three properties of stars?
300
Mercury, Venus Earth, and Mars
What are the terrestrial planets?
300
The distance light travels in a year
What is a light year?
400
A group of stars gravitationally bound to each other
What is a star "cluster"?
400
The accretion disk of dust and gas that became our solar system.
What is the solar nebula?
400
Combining light nuclei into heavy nuclei
What is fusion?
400
Corona, Chromosphere, and Photosphere.
What are the layers of the sun's atmosphere?
400
Spiral, Elliptical, and Irregular
What are the types of galaxies?
500
Roughly the distance of the earth to the sun; 149,597,871 km or 93 million miles
What is Astronomical Unit?
500
Lowest layer of the Sun's atmosphere; most light emitted
What is the Photosphere?
500
The inner-most layer, where fusion occurs; the hottest part of the sun.
What is the Inner Core?
500
Convective Zone, Radiative Zone, Inner Core
What is the sun's internal structure?
500
The study of the universe, its nature, its origin and its evolution.