Cepheids and globular clusters are limited in their ability to measure the distance to galaxies because they ____.
a. are too rare
b. are not bright enough to detect at large distances
c. behave differently in other galaxies than they do in our own
d. do not appear in dwarf galaxies
e. are only found in elliptical galaxies
Question 2
What telescope instrument is used to counter the eastward rotation of Earth?
a. Newtonian focus
b. sidereal drive
c. active optics
d. Cassegrain focus
e. floppy mirrors
Species richness decreases with distance from the source pool.
Succession in the intertidal zone involves colonization and competition for limited space among spec
Using a goniometer to measure joint ROM.
Clusters and Zones in the Olfactory Bulb
Needle-nose pliers are used where there is limited access to a wire or pin that needs to be ...
Testing the client’s ability to feel vibrations, the toe