Which one of the following is the best description of ‘Bennu’?

Which one of the following is the best description of ‘Bennu’?

A. Asteroid

B. Exoplanet

C. Cryptocurrency

D. Malware

Explanation:

Recently the National Aeronautics and Space Administration said that its Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx) spacecraft will depart asteroid Bennu, and start its two-year long journey back to Earth. Bennu is an asteroid located about 200 million miles away from the Earth. Bennu is named after an Egyptian deity. The asteroid was discovered by a team from the NASA-funded Lincoln Near-Earth Asteroid Research team in 1999. Bennu is a B-type asteroid, implying that it contains significant amounts of carbon and various other minerals.