Than a cool
FIGURE 2
Apparent and Absolute Brightness
The three stars Alnitak, Al...
Than a cool
FIGURE 2
Apparent and Absolute Brightness
The three stars Alnitak, Alnilam, and
Mintaka in the constellation Orion all
seem to have the same apparent bright-
ness from Earth. But Alnilam is actually
farther away than the other two stars.
CHALLENGE Which star has the
greatest absolute brightness? How do
you know?
30 points
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