Herschel's grindstone and Kapteyn's star system were too small because
A) they did not count the brightest stars.
B) they did not study the southern sky.
C) they did not have large enough telescopes.
D) they only observed stars in the disk of the galaxy and not the halo.
E) they did not know about interstellar dust clouds.

Question

Quizplus · Accepted Answer

The Answer of Herschel's grindstone and Kapteyn's star system were too small because
A) they did not count the brightest stars.
B) they did not study the southern sky.
C) they did not have large enough telescopes.
D) they only observed stars in the disk of the galaxy and not the halo.
E) they did not know about interstellar dust clouds.

Herschel's Grindstone and Kapteyn's Star System Were Too Small Because