What technique will probably be most successful in the search for additional cold Pluto-like objects in the Kuiper Belt?
A)Hubble Space Telescope surveys in the ecliptic plane
B)observations at ultraviolet wavelengths, because this radiation can penetrate the dust and gas in the outer planetary system
C)radar observations, sending powerful pulses outward and searching for reflected radio pulses
D)dedicated spacecraft like New Horizons

Question

Quizplus · Accepted Answer

Dedicated spacecraft like New Horizons have been successful in discovering Pluto-like objects in the Kuiper Belt. New Horizons discovered Arrokoth, the most distant and oldest object ever explored by a spacecraft. Therefore, it is likely that future missions will continue to discover new objects in the Kuiper Belt.

What Technique Will Probably Be Most Successful in the Search