Question

which object was developed to help astronomers learn more about the sun?
the parker probe
the orion vehicle
the curiosity rover
the explorer satellite

Explanation:

The Parker probe was designed to study the Sun up - close, gathering data on solar winds, magnetic fields, etc. The Orion vehicle is for human spaceflight to destinations like the Moon and Mars, the Curiosity rover explores Mars, and the Explorer satellites have a variety of space - related but non - Sun - specific missions.

Answer:

the Parker probe