[DOC] [TLE] Voyager - Planetary Voyage [PAR] Feb 17, 2015 ... As the spacecraft flew across the solar system, remote-control ... 1 and 2 would 
explore all the giant outer planets of our solar system, ... Had the Voyager 
mission ended after the Jupiter and Saturn flybys alone, it still would have 
provided ... the two spacecraft and authorized JPL to conduct a Uranus flyby. [DOC] [TLE] Our Solar System at a Glance - JPL - NASA [PAR] But the years since 1959 have amounted to a golden age of solar system 
exploration. ... Two drum-shaped Pioneer spacecraft visited Venus in 1978. ... 
Voyagers 1 and 2 and other spacecraft have all sampled the solar environment. 
..... biology experiments, we know more about Mars than any other planet except 
Earth. [DOC] [TLE] Solar System - Mercury [PAR] JPL spacecraft have visited all known planets except Pluto (a Pluto mission is 
currently ... (31 miles) per second, faster than any other planet in the solar system
. ... Like our Moon, the planet is heavily cratered, showing impact scars from ... 
Mercury has been visited by only one spacecraft, Mariner 10, which flew by the 
planet... [DOC] [TLE] List of Solar System probes - Wikipedia [PAR] This is a list of space probes that have left Earth orbit organized by their planned 
destination. ... For a list of landers only, see Landings on other planets. ... In 
cases which do not fit any of the above, the event to which the date refers is 
stated. ... have been designed and launched to operate in heliocentric orbit or at 
one of the... [DOC] [TLE] Space Missions and Space Craft - The Nine Planets [PAR] As the first two spacecraft to leave our solar system, Pioneer 10 & 11 carry a 
graphic ... Voyager 2 took advantage of a rare once-every-189-years alignment to 
... Voyager 1 could, in principle, have headed towards Pluto, but JPL opted for the
... [DOC] [TLE] Voyager | National Geographic [PAR] Until Voyager 1's feat, "all spacecraft, everything, all the planets, had been ... 
Voyager 2 has sailed nearly as far and has visited Uranus and Neptune as well. 
.... JPL's proposed five-spacecraft Outer Planet Grand Tour mission would have 
.... 2 launched, not a lot was known about the outer planets of our solar system. [DOC] [TLE] Up Close and Personal with Jupiter: A History of 9 Space Probes [PAR] Jun 28, 2016 ... Here is a brief history of the space probes that have explored this ... The massive 
planet has "the harshest radiation environment in the solar system," ... which 
poses a problem for visiting probes: Pioneer 10 fulfilled all of its Jupiter mission 
objectives except one, which failed because the ... Credit: NASA/JPL. [DOC] [TLE] What are the Planets of the Solar System? - Universe Today [PAR] Aug 21, 2016 ... At one time, humans believed that the Earth was the center of the Universe; that 
... Mercury also has the most eccentric orbit of any planet in the Solar ... Credit: 
NASA/JPL/Magellan ... Several spacecraft have visited Venus, and a few landers 
have even ... Earth is our home, and the third planet from the Sun. [DOC] [TLE] Now That We've Explored All The Planets, What's The Next Frontier ... [PAR] Jul 17, 2015 ... When I was growing up, there were nine planets in the solar system: Mercury, ... 
By 1989, all of those planets had been explored  except Pluto. ... as a planet by 
some folks, Pluto is one of the largest worlds in the outer solar ... American 
spacecraft have visited every major component of our solar system. [DOC] [TLE] Voyager spacecraft are leaving the Solar System - Space Today ... [PAR] Its twin, Voyager 2, has traveled to more planets than any other in history. ... 
neighborhood at the very edge of our Solar System, NASA's Voyager 1 deep ... 
Voyager 1, according to NASA's Jet Propulsion Laboratory (JPL), Pasadena, 
California. .... Uranus and Neptune, becoming the only spacecraft ever to

Question: JPL spacecraft have visited every planet in our solar system except this one
Answer: Pluto