Question

hom much time will it take to reach Neptune ?? (in years)

Answer 1

Answer:20 years

Step-by-step explanation:

Voyager recently crossed it.even though there is a tech gap ,it may take at least 15 - 20 years:-)

Answer 2

hey mate here is your short and understandable answer...

Voyager 2 traveled 12 years at an average velocity of 19 kilometers a second (about 42,000 miles an hour) to reach Neptune, which is 30 times farther from the Sun than Earth is. Voyager observed Neptune almost continuously from June to October 1989.

hope it helps you mark it brainliest if you like ☺