On the H-R diagram, the bright blue stars that dominate the naked-eye sky lie
A) at the top left.
B) at the lower left.
C) in the middle of the main sequence.
D) at the top right.
E) at the lower right.
A
Physics & Space Science
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The resistance of the light bulb is 20 ohms
Indicate whether the statement is true or false
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Silicon forms its strongest chemical bonds with
A) itself B) carbon C) oxygen D) hydrogen
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A photon has energy of 4.20 eV. To what wavelength does this energy correspond?
A) 321 nm B) 103 nm C) 296 nm D) 412 nm E) 420 nm
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If a G2 star is 100 times as luminous as our Sun, it must be ________ times the Sun's diameter
Fill in the blank(s) with correct word
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