The Herschels' grindstone model of the Milky Way star system was 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 2
Convection is important in stars because it
a. increases the temperature of the star.
b. mixes the gases of the star.
c. transports energy outward in the star.
d. carries the neutrinos to the surface of the star where they can escape.
e. mixes the gases of the star and transports the energy outward in the star.
Three possible phylogenies for the australopithecines with Au. anamnesis as the stem ancestor and re
This chart illustrates the bottom up assumption about government. In this, attitudes, culture, and
Wrapping an Infant or Small Child
Procedures for Diagnostic Tests Related to the Digestive System
How to solve a linear system when the variable is in the denominator position (Question 1 of 2)
Female Reproductive System - Oocyte "بويضة الجهاز التناسلي "