A star near the lower right of the H-R diagram is likely to be
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High mass stars are typically found on the ___________ of th…
High mass stars are typically found on the ___________ of the main sequence.
To find the __________ velocity, we must combine proper moti…
To find the __________ velocity, we must combine proper motion and parallax data.
In general, the more massive the star, the longer its lifeti…
In general, the more massive the star, the longer its lifetime.
The _____________ magnitude of a star depends on its luminos…
The _____________ magnitude of a star depends on its luminosity and distance from us.
The strongest lines present in spectral class A stars are ab…
The strongest lines present in spectral class A stars are absorption lines of __________ .
White dwarfs like Sirius B are typically the size of _______…
White dwarfs like Sirius B are typically the size of __________ .
The vast majority of stars near us in space would fall to th…
The vast majority of stars near us in space would fall to the bottom right on the H-R diagram.
At its brightest, Venus, at magnitude -4, is 100 times brigh…
At its brightest, Venus, at magnitude -4, is 100 times brighter than a 1st magnitude star.
If Vega is apparent magnitude zero, and Deneb first magnitud…
If Vega is apparent magnitude zero, and Deneb first magnitude, then: