Objects in Our Solar System
The Sun
Where do stars begin?
In a nebula full of dust and gas
What is more than one star?
The Milky Way is this type of galaxy
What is a spiral?
This is the theory that is currently accepted as the beginning of the universe
What is the Big Bang?
Our solar system includes
The sun, 8 planets and a variety of smaller objects
What determines the life cycle of a star?
What is it's mass?
Star clusters contain
What is multiple star systems?
Spiral galaxies contains
A lightyear is a unit of
What is distance?
Smaller than other planets, rocky, half of them have moons, warmer, closer to the sun
What triggers the death of a star?
What is running out of hydrogen?
What is a galaxy?
Elliptical galaxy contains
billions of stars and a little gas and dust
What is the life cycle of a low mass star?
What is protostars, main sequence star, red giant, planetary nebula, White dwarf?
Describe the outer planets
Larger than other planets, gas & liquid, all of them have moons, colder, farther from the sun
These stars have the shortest life spans
What is a high mass star?
Billions of galaxies are organized into
What is the universe?
An irregular galaxy contains
young, bright stars and lots of gas and dust
What is the life cycle of a high mass star?
What is protostars, main sequence star, super red giant, supernova, then either neutron star or pulsar?
Name the characteristics of a planet
Orbits the sun, rounded by it's own gravity, cleared its orbit
Stars are classified by
What is color and temperature?
How many types of star clusters do we have?
What is 2? Open and Globular
An astronomical unit is based on the distance from Earth to
What is the center of the sun?