Question

type the correct answer in the box.
this object was observed in 1997.
the object in the picture is a/an

Explanation:

The image shows the Phoenix Lights, a well-documented unidentified flying object (UFO) sighting that occurred in 1997 over Arizona, US. The large, triangular/oval-shaped luminous object matches the description of the main sighting from that event.

Answer:

UFO (or Unidentified Flying Object)