WorksheetsThe HR Diagram
Total questions: 20
Worksheet time: 13mins
Using the HR diagram, choose the color of Zeta Eridani
blue
white
yellow
red
Which star is hotter than Deneb
Procyon
Sun
Rigel
Barnard's Star
Which star is brighter than the sun?
Sirius B
Procyon B
Van Maanan's Star
Aldebaran
Which star is considered a main sequence star?
Spica
Betelgeuse
Pollux
Van Maanan's Star
Rigel
Which star is considered a giant star?
Mira
Spica
Barnard's Star
Sirius B
Which star is considered a supergiant?
Sirius B
Sun
Betelgeuse
Zeta Eridani
Which star is considered a dwarf star?
Pollux
Spica
Deneb
Sirius B
True or False: White dwarfs are warmer and dimmer than giants.
True
False
What is the Hertzsprung-Russel Diagram?
A map which tells the approximate location of stars in the Milky Way galaxy and their distance from Earth.
A table that alphabetically lists stars by name and includes dates of when the star was first charted.
A chart which organizes stars into categories based on the amount of Hydrogen they burn.
A graph used to classify stars according to their luminosity, color, temperature, and stage.
Knowing the color of a star also tells us its
age
location
temperature
name
Stars in which phase are fusing Hydrogen in their core to make Helium?
Supergiant
Supernova
Main Sequence
White Dwarfs
The best description of a super giant star would be -
hot and bright
hot and dim
average brightness and temp
cool and bright
Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?
Betelguse
Sirius B
Procyon B
Barnard's star
Which type of star is most common?
O
A
F
G
M
Stars near the top of the main sequence tend to be
Large
Small
Dim
Long Lived
Most stars in our local neighborhood are
Main Sequence Stars
Giants
White Dwarfs
Brown Dwarfs
Super Giants
Using the HR diagram, choose the color of Pollux
blue
white
orange
green
Alpha Centauri has an absolute magnitude of +4.38. Beta Centauri has an absolute magnitude of of -4.53. Which star puts off more light?
Alpha Centauri
Beta Centauri
They put off the same amount of light
Imagine a star with an apparent magnitude of 3.0. After careful parallax measurement, you learn that the star is 10 pc away. What is the absolute magnitude of the star?
Less than 3.0
Equal to 3.0
More than 3.0
