Voyager 1: Difference between revisions - Wikipedia

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'''''Voyager 1''''' is a [[space probe]] launched by [[NASA]] on September 5, 1977, as part of the [[Voyager program]] to study the outer [[Solar System]] and the [[interstellar medium|interstellar space]] beyond the Sun's [[heliosphere]]. It was launched 16 days after its twin ''[[Voyager 2]]''. It communicates through the [[NASA Deep Space Network]] (DSN) to receive routine commands and to transmit data to Earth. Real-time distance and velocity data are provided by [[NASA]] and [[Jet Propulsion Laboratory|JPL]].<ref name="jet propulsion laboratory-2" /> At a distance of {{Convert|162.7|AU|e9km e9mi|sigfig=3|abbr=unit|lk=on}} from Earth {{as of|2024|05|lc=yes|df=US}}<!-- DO NOT UPDATE THIS MORE THAN ONCE PER MONTH -->,<ref name="jet propulsion laboratory-2">{{Cite web |title=Voyager – Mission Status |url=https://voyager.jpl.nasa.gov/mission/status/ |url-status=live |archive-url=https://web.archive.org/web/20180101025244/https://voyager.jpl.nasa.gov/mission/status/ |archive-date=January 1, 2018 |access-date=May 1, 2024 |website=[[Jet Propulsion Laboratory]] |publisher=[[National Aeronautics and Space Administration]]}}</ref> it is the most distant manmadewomanmade object from Earth.<ref>{{Cite web |title=Voyager 1 |url=http://www.bbc.co.uk/science/space/solarsystem/space_missions/voyager_1 |url-status=dead |archive-url=https://web.archive.org/web/20180203195855/http://www.bbc.co.uk/science/space/solarsystem/space_missions/voyager_1 |archive-date=February 3, 2018 |access-date=September 4, 2018 |website=[[BBC]] Solar System}}</ref> The probe made [[Flyby (spaceflight)|flybys]] of [[Jupiter]], [[Saturn]], and Saturn's largest [[Natural satellite|moon]], [[Titan (moon)|Titan]]. NASA had a choice of either doing a [[Pluto]] or Titan flyby; exploration of the moon took priority because it was known to have a substantial atmosphere.<ref name="nasa-1990" /><ref>{{Cite web |date=July 12, 2015 |title=New Horizons conducts flyby of Pluto in historic Kuiper Belt encounter |url=https://www.nasaspaceflight.com/2015/07/new-horizons-pluto-historic-kuiper-encounter/ |url-status=live |archive-url=https://web.archive.org/web/20150906011101/http://www.nasaspaceflight.com/2015/07/new-horizons-pluto-historic-kuiper-encounter/ |archive-date=September 6, 2015 |access-date=September 2, 2015}}</ref><ref name="what if voyager had explored pluto">{{Cite web |title=What If Voyager Had Explored Pluto? |url=http://www.spacedaily.com/reports/What_If_Voyager_Had_Explored_Pluto_999.html |url-status=live |archive-url=https://web.archive.org/web/20200413080740/http://www.spacedaily.com/reports/What_If_Voyager_Had_Explored_Pluto_999.html |archive-date=April 13, 2020 |access-date=September 2, 2015}}</ref> ''Voyager 1'' studied the weather, [[magnetic field]]s, and rings of the two gas giants and was the first probe to provide detailed images of their moons.

As part of the [[Voyager program]] and like its sister craft ''[[Voyager 2]]'', the spacecraft's extended mission is to locate and study the regions and boundaries of the outer heliosphere and to begin exploring the [[interstellar medium]]. ''Voyager 1'' crossed the [[Heliopause (astronomy)|heliopause]] and entered [[interstellar space]] on August 25, 2012, making it the first spacecraft to do so.<ref>{{Cite web |title=Interstellar Mission |url=https://voyager.jpl.nasa.gov/mission/interstellar-mission/ |url-status=live |archive-url=https://web.archive.org/web/20170914060928/https://voyager.jpl.nasa.gov/mission/interstellar-mission/ |archive-date=September 14, 2017 |access-date=August 24, 2020 |publisher=NASA [[Jet Propulsion Laboratory]]}}</ref><ref>{{Cite news |last=Barnes |first=Brooks |date=September 12, 2013 |title=In a Breathtaking First, NASA Craft Exits the Solar System |work=[[New York Times]] |url=http://www.nytimes.com/2013/09/13/science/in-a-breathtaking-first-nasa-craft-exits-the-solar-system.html |url-status=live |access-date=September 12, 2013 |archive-url=https://web.archive.org/web/20200311201559/https://www.nytimes.com/2013/09/13/science/in-a-breathtaking-first-nasa-craft-exits-the-solar-system.html |archive-date=March 11, 2020}}</ref> Two years later, ''Voyager 1'' began experiencing a third wave of [[coronal mass ejection]]s from the [[Sun]] that continued to at least December 15, 2014, further confirming that the probe is in interstellar space.<ref>{{Cite web |last=Claven |first=Whitney |date=July 7, 2014 |title=Sun Sends More 'Tsunami Waves' to Voyager 1 |url=http://www.jpl.nasa.gov/news/news.php?release=2014-221 |url-status=live |archive-url=https://web.archive.org/web/20181221141415/https://www.jpl.nasa.gov/news/news.php?release=2014-221 |archive-date=December 21, 2018 |access-date=July 8, 2014 |website=[[NASA]]}}</ref>