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Which one - there were 18 pioneer probes.

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13y ago

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Name two space probes?

Luna 1: The first successful space probe Mariner 9: The first space probe to orbit another planet.Huygens probe: Cassini-Huygens mission to Saturn's moon Titan. Spirit and Opportunity: The Mars Exploration Rovers, Spirit and Opportunity landed on Mars to explore the Martian surface and geology, and searched for clues to past water activity on Mars.Voyager 1: Visited Jupiter and Saturn and was the first probe to provide detailed images of the moons of these planets. Voyager 2: Identical to Voyager 1, but visited Uranus and Neptune. Pioneer 10: The first spacecraft to travel through the asteroid belt. Pioneer 11: The first to explore Saturn and its main rings.


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What did Pioneer 10 investigate?

Pioneer 10 was launched on March 2, 1972 to study Jupiter, some of its large moons and interstellar space. The spacecraft is believed to still be operational, but communication was lost in 2003. Both Pioneer 10 and 11 have a gold anodised plaque attached that should give alien lifeforms some information about the human race should they find it.


What is the only space probe to be retreived and returned to earth?

The only space probe to be retrieved and returned to Earth was the Genesis spacecraft, which was designed to collect particles of solar wind and return them to Earth for analysis. The mission ended with a hard landing in 2004 due to a parachute failure, but most of the scientific data collected was still recoverable.


Where did the first space probe go?

The space probe furthest from the Earth is Voyager 1. It is at a distance of 109.366 AU from Earth. 1 AU is the distance between the Earth and the Sun. Hence, it is around 110 times the distance between the earth and the Sun and around 10 times further than Pluto is from Earth.


What is the oldest probe still working?

The two Voyager space probes, launched in August and September of 1977, are both still operational. Both are still radioing back observations from near the "heliopause", the point at which the solar wind of the Sun is overwhelmed by the galactic "wind" between the stars. Best guess estimates indicate that they could continue to operate to 2020 or beyond, but at some point around 2025, the radioisotope power supply will no longer be able to transmit a signal back to Earth.