Author Question: Why are we unlikely to find Earth-like planets around halo stars in the Galaxy? A) Halo stars ... (Read 95 times)

karen · **on:** Jul 27, 2018

Why are we unlikely to find Earth-like planets around halo stars in the Galaxy?

A) Halo stars formed from gas containing lots of heavy elements and few of the light elements needed to create terrestrial planets like the Earth.
B) Halo stars formed from gas containing few heavy elements, the elements needed to create terrestrial planets like the Earth.
C) Planets around stars are extremely rare in our Galaxy.
D) Halo stars formed directly from gas in the halo without forming a planetary disk.
E) Halo stars are all very low mass stars that cannot hold onto planets.

Question 2

Most stars on the main sequence fuse hydrogen into helium in their cores, but some do not.

Indicate whether the statement is true or false