Stars
Star Life Cycle
HR Diagrams
Observing the Night Sky
100
What is measured when you are measuring how bright a star is at a distance of 10 parsecs?
What is absolute brightness
100
The cloud of gas and dust a star begins life in
What is a nebula
100
What types of stars are located in the bottom left corner of the HR diagram?
White Dwarfs
100
Is the moon visible without a telescope?
Yes
200
A Hertzsprung Russel Diagram compares what features of stars
Luminosity, Temperature
200
A region so dense nothing, including light can escape its gravity field.
What is a black hole
200
Put the colors of stars in order from Hottest to Coolest.
Blue, White, Yellow, Orange, Red
200
True or False: The rings of Saturn can be seen WITH a telescope.
True
300
What does luminosity refer to?
Brightness
300
What element fuses first in stars?
What is hydrogen
300
Where are red giants and red supergiants located on the HR diagram?
Top Right
300
What is an asterism?
A small piece of a larger constellation
400
When stars fall off the main sequence they become
What are Supergiants (red)
400
Very low mass star that has a long life cycle is known as what?
red dwarf
400
Which star is the hottest?
Zeta Eridani
400
What is the all-night marathon called that an amateur astronomer can do?
Messier Objects
500
The glowing white core of a low mass star.
White Dwarf
500
A stellar explosion of a high mass star
Supernova
500
Which star is the dimmest?
Barnard's Star
500
List the planets that can be seen WITHOUT a telescope.
Mercury Venus Mars Jupiter Saturn