A(n) ___________________ _ uses a mirror as its objective.
Fill in the blank(s) with correct word
Question 2
Observations from the Compton Gamma Ray Observatory showed that gamma-ray bursters were located throughout the sky. This told us that
a. the bursts were not produced among stars in the disk of our galaxy.
b. the bursts were not produced among stars in the nuclear bulge of our galaxy.
c. the bursts are not associated with planets in our solar system
d. the bursts were not produced in our Sun
e. All of the above