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You have a strip of paper that is 1.5 m (150 cm!) long . You want to mark the...
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You have a strip of paper that is 1.5 m (150 cm!) long. You want to mark the distance from the Sun to Alpha Centauri
Using the table below, you must choose one linear scale (e.g., “1 cm = X ly”) that allows all three stars to fit on the strip. Assume that the Sun is marked at the edge of the strip.
Star
|
Type
|
Distance from Sun (ly)
|
Vega
|
A‑type main‑sequence
|
25
|
Arcturus
|
K‑type red giant
|
37
|
Polaris
|
F‑type supergiant
|
323
|
Antares
|
Red supergiant
|
550
|
Deneb
|
Blue‑white supergiant
|
2,600
|
Sirius
|
A‑type main‑sequence
|
8.6
|
Alpha Centauri
|
G/K‑type triple system
|
4.37
|
Betelgeuse
|
Red supergiant
|
642.5
|
Rigel
|
Blue supergiant
|
860
|
Aldebaran
|
K‑type red giant
|
65
|
Which option best describes the largest possible linear scale (in cm/ly) you would choose and the distances from the edge of the strip (in cm) you would mark for your three stars?