Distant and luminous stars using parallax angles?

Star A has a measured parallax angle of 0.1 arcseconds, while Star B has a parallax angle of 1.0 arcseconds. From the Earth, both stars are measured to have the same apparent brightness.

which star is more distant?

which star is more luminous?

1 Answer

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  • Anonymous
    1 decade ago
    Best Answer

    The smaller the parallax angle, the farther away the star is.

    If two stars are the same apparent brightness, then the more distant star is the more luminous.

    You figure out the rest.

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