Which of the following types of telescopes use a curved mirror to
collect and focus light?
A. radio telescope
B. reflecting telescope
C. refracting telescope
D. Telescopes do not collect and focus light.

Ms. ringer asked her class "what are the favorite colors of the students in our school" which student correctly deceives ms. ringer's question

Which statement best explains the difference between weather and climate

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks