1. quizThe summer triangle, which can be seen in the northern sky until November, refers to the stars Altair, Deneb and Vega
  2. A round-robin petition is one with the signatures written in circular formation so that no one appears to be the originator.

  3. Took and Samwise are Hobbits.

  4. Harry Truman authorized the bombing of Hiroshima and Nagasaki in 1945.

  5. The scallop rapidly opens and closes its shell to move through water.