1. Constellations and designations of stars
Constellation = random collection
of stars (figure)  
Stars’ names:
Greek letter + constellation name
Orionis (= Betelgeuse)
 Orionis ( No special name)
 Canis Majoris (= Sirius)   

2. More star names Find: Leporis Geminorum Tauri A few distances:
Canis Maioris - 9 ly
 Canis Maioris ly
 Canis Maioris - 1,800 ly
Canis Maioris ly
95% of the 6,000 naked-eye stars are at 50 to 500 ly:
in the solar neighborhood.
Inside Taurus!

3. Questions coming …

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Question 13
Which constellation is closer to us,
and how do we know?
A The Big Dipper is closer than Orion because
the Big Dipper looks larger in the sky.
B Orion is closer than the Big Dipper because
Orion’s stars look brighter in the sky.
C All constellations are at the same distance.
D This question is nonsense because constellations
are not real objects.
E This question is nonsense because the distance to constellations
changes as Earth revolves around the Sun.
Next question coming …

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Question 14
What is  Canis Maioris?
A The name of a bright star.
B The name of a planet.
C The name of a constellation.
D A galaxy.
E The name of a moon revolving
around the planet  Canis Maioris.
Next question coming …

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Question 15
The Pleiades (the “Seven Sisters”) is …
A A constellation.
B A star.
C Not a constellation, but it is a star cluster inside
the constellation of Taurus.
D A constellation, which is the same thing as a star cluster.
E A collection of seven random stars, unrelated to each other.
Next question coming …

7. Question 16
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Most of the stars visible in the sky by the naked eye are …
A outside the Galaxy.
B inside the Galaxy, but not necessarily in the vicinity
of the Sun.
C inside the Galaxy, and mostly in the vicinity
D 50% inside the Galaxy, 50% outside.
E nowhere close to the Galaxy, which is much farther away
from us than the individual stars in the sky are.