A large cloud of dust and gas in space that develops into the birth place of stars.
What is a nebulae?
100
This is the brightest star in the known universe with a magnitude of -1.46
What is Sirius?
100
This is term that represents the distance that light travel is one year
What is a light - year?
100
The closest star to us on Earth is this.
What is the Sun?
100
This color would represent the hottest stars in the night sky.
What is blue?
200
An average sized star like the sun will develop from a main sequence star into this in the next stage of its life cycle.
What is a red giant?
200
Dimmer stars in the sky will have this type of number representing their magnitude.
What is a high number?
200
This is a term that represents the distance between the Earth and the Sun.
What is an Astronomical Unit?
200
The second closest star to us on Earth is this?
What is Proxima Centauri?
200
Stars that are blue in color fall into this spectral class.
What is Class O?
300
Stars that are between 5 and 30 times more massive than the sun will explode during a supernova, at this time the core will become this.
What is a neutron star?
300
These are the 2 characteristics of a star that effect magnitude the most.
What are size and distance from earth?
300
This is a term that describes a unit of distance equal to 3.26 light - years.
What is a parsec?
300
A neutron star the flashes light as it spins is known as this.
What is a pulsar?
300
Our sun is a yellow star, which causes it to fall into this spectral class of stars.
What is class G?
400
Stars that are more that 100 times more massive than the sun which explode during a supernova eventually develop into this.
What is a black hole?
400
This is the difference between apparent magnitude and absolute magnitude.
What is apparent magnitude is the view from earth, and absolute magnitude is viewed from a distance of 10 parsecs from earth?
400
We are not in the center of the Milky Way galaxy inf fact it would take us this amont of time to reach the center traveling at the speed of light.
What is 30,000 years?
400
The 2 main elements that fuse together and create the mass and energy of stars are these?
What are hydrogen and helium?
400
This is a pneumonic created to help remember the order of the spectral classes for stars.
What is O.B.A.F.G.K.M?
500
After main sequence star like the sun develops into a red giant it continue its life cycle by completely shedding its outer atmosphere and shrinking down into this.
What is a white dwarf?
500
According the magnitude scale, this is the magnitude of a star that is 20 times brighter than a star with a magitude of 1.00
What is -1.00?
500
The Sun is orbiting around the center of the Milky Way galaxy, and it will take this sun this amount of time to complete one full revolution.
What is 200 million years?
500
At least 90% of all matter in the universe is not visible to us as stars, planets or asteroids instead it is this.
What is dark matter?
500
As the sun moves from a main sequence star that is yellow to a red giant, changes from specral class G this spectral class?