What evidence suggests that some of the stars in the halo of the Milky Way Galaxy came from mergers with other galaxies?
A) Globular clusters are typically found only in the halo.
B) Some halo stars with similar and distinct chemical compositions move together in organized streams.
C) Some halo stars are older than our Galaxy.
D) Halo stars have randomly oriented orbits.
B) Some halo stars with similar and distinct chemical compositions move together in organized streams.
You might also like to view...
You are asked to design a metal alloy for a high temperature application. What type of metal alloy phase diagrams should you consider first for this application?
(a) Continuous solid solution (b) Eutectic (c) Compound formation (d) Peritectic
The planet Venus requires 225 days to orbit the Sun, which has a mass M = 1.99 × 1030 kg, in an almost circular trajectory. Calculate the radius of the orbit and the orbital speed of Venus as it circles the Sun.
What will be an ideal response?
A change in the direction of a wave as a result of its encountering a sharp edge or a slit is called ______________
Fill in the blank(s) with correct word
Convergent boundaries are regions of
A) great mountain building. B) plate subduction. C) plate collision. D) plate collision, subduction, and mountain building.