Galileo
into deep space
The Voyager probes 1 and 2, both launched in 1977, visited Jupiter and Saturn before heading into deep space. Voyager 2 also visited Uranus and Neptune.
Voyager I & II
Voyager 1 and 2
The Pioneer 10 and Pioneer 11 probes flew past Jupiter before continuing their journey outward to deep space. The Voyager 1 and Voyager 2 probes also conducted flybys of Jupiter, Saturn, Uranus, and Neptune before heading towards interstellar space.
Depends which way you are heading :-) Mars --> Asteroid Belt <-- Jupiter
"Did you remember to inspect your luggage before heading to the airport?"
Voyager 1 and 2 visited the outer planets and went on into interstellar space.
No one has traveled through time before. In stories, people travel through time in a time machine.
"Have you traveled before?" The auxiliary verb "have been" is used with the present participle, "traveling."
It was heading for Long Beach, California.
The correct sentence is: "Have you ever traveled before?"