stars
what is a ball of hot gas and that produces light?
star
what do we call all of space and everything in it?
the universe
what is the name of our star?
the sun
what is the name of the system that includes the sun and everything that orbits it?
solar system
what is a large celestial body that orbits the sun
a planet
what do we call the brightness of a star as seen from earth?
Apparent Magnitude
There are approximately 100 billion of these in the universe
galaxies
what layer of the suns atmosphere is visible during the solar eclipse
the corona
how many planets are in our solar system?
eight
name the planet known for its rings
saturn
what is the hottest brightest type of star?
blue star
what are the small bodies orbiting planets called?
moons
what are the main elements that make up the sun?
hydrogen and helium
what celestial bodies are found in the asteroid belt?
asteroids
which planet is closest to the sun?
Mercury
what is the name of a star that is small and about the size of the earth?
white dwarf star
what is the term for the force that pulls matter together in the universe?
gravity
how long does it take for light from the sun to reach earth?
what is the term for a small icy body that when passing close to the sun produces a trail of gas and dust
a comet
what do we call the path that a planet takes around the sun?
orbit
what is a group of stars that are held together by gravity?
multiple star system
what type of planet has thick gaseous atmospheres and rings of ice rocks and dust?
gas giant planets
what term describes the suns actual brightness?
luminosity
how is a light year measured between objects in space and planets?
what type of planet has a crust mantle and a core?
a terrestrial planet