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| By NASA / JHU/APL - link |
The Messenger spacecraft was launched on 3 August 2004 and crashed into it on 30 April 2015. It found evidence of water ice on its poles.
Pioneer 12 was launched on 20 May 1978 and orbited Venus till 8 October 1992 by crashing into Venus. It measured and got data on Venus's atmosphere and solar wind.
Pioneer 13 was a mission consisting of 1 carrier and 3 small and 1 large atmospheric probe. It was launched on 8 August 1978 and the main carrier's last contact was on 9 December 1978.
The Opportunity rover lasted 60 times longer than expected. It was launched in 7 July 2003 and lasted till 13 February 2019.
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| By National Aeronautics and Space Administration (NASA) - Published source: "Spacecraft Icons" at NASA ScienceDirect source: Image hosted by smd-prod.s3.amazonaws.com., Public Domain, Wikimedia Commons |
MAVEN is a Mars orbiter launched on 18 November 2013. It was built to learn about Mars's upper atmospheres.
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| By National Aeronautics and Space Administration (NASA) - Published source: "Spacecraft Icons" at NASA ScienceDirect source: Image hosted by smd-prod.s3.amazonaws.com., Public Domain, Wikimedia Commons |
The Mars Reconnaissance Orbiter was launched on 12 August 2005 and ended on 31 December 2010. It was used to prove water existed on Mars.
The Curiosity rover was built to see if Mars ever had an environment suitable for life. It was launched on 26 November 2011.
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| By National Aeronautics and Space Administration (NASA) - Juno Mission to Jupiter (2010 Artist's Concept) at the official NASA website., Public Domain, Wikimedia Commons |
Juno is a satellite orbiting Jupiter. It was launched on 5 August 2011 and is used to see Jupiter's composition.
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| By National Aeronautics and Space Administration (NASA) · Jet Propulsion Laboratory - Published source: Europa Mission Spacecraft - Artist's Rendering " by the Jet Propulsion Laboratory.Direct source: Image hosted by jpl.nasa.gov., Public Domain, Wikimedia Commons |
In the future, Europa Clipper will make multiple flybys of Europa and see if Europa is habitable. It will get as close as 25 km above Europa.
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| By NASA/JPL - This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA03883., Public Domain, Wikimedia Commons |
The Cassini–Huygens mission was launched on 25 October 1997 and ended on 25 September 2017. The Huygens probe landed on land on Titan, while the Cassini orbiter orbited Saturn.
I feel that it is good for people to be keen to explore the solar system, as they have launched many space probes and used up lots of time to do so. They only do this to quench their curiosity, not for profit from their works.
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