HR Diagram
What is Luminosity?
How bright something is
What is a Nebula made of?
gas and dust
T/F: Life begins in the nebula for all stars
True
List the 3 types of Galaxies...
Spiral, Elliptical, Irregular
Where do stars spend most of their life?
as a Main Sequence star
Which Group of stars has the lowest luminosity?
White Dwarfs
Medium mass stars typically burn slower and are what color?
Red/orange
What type of star is our Sun?
Main Sequence Star
How is galaxy defined?
a collection (or city) of stars
Which Star on HR Diagram 4 is the hottest and Brightest? (Zeta E, Sirus B, Betelgeuse)
Zeta E.
Which group of stars have the highest luminosity?
Supergiants
High mass stars are overachievers, burn fuel quickly and are what color?
Blue
What is the name of our Sun?
Yellow Dwarf
This galaxy is chaotic and messy with no true shape.
Irregular galaxy
Which star on HR Diagram 4 is the dimmest and coolest? (Barnard's Star, Sirius B, Procyon)
Barnard's Star
Which star on your HR Diagram 4 is the hottest? (Spica, Procyon, Mira)
Spica
Which star would eventually become a White Dwarf? (Red Giant, Red Super Giant)
Red Giant
What is the luminosity of our Sun?
1
This galaxy has a rounded shape with no distinct arms...
What unit do we measure temperature in?
Kelvin
Which star on HR Diagram 4 is brightest? (Deneb, Sun, Barnard's Star)
Deneb
What type of fuel is burned by a star?
Hydrogen fuel
T/F: Nuclear Fusion happens in both a Giant Star and Supergiant Star.
True
Where is the Earth's Solar System located within the Milky Way galaxy?
In one of the arms of a spiral galaxy
What makes the HR Diagram special compared to other diagrams?
How the temperature is read from right to left instead of left to right as it increases.