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==Events==
* ''None yet''Landsat 1, the first [[Earth]]-resources [[satellite]], is launched. <br> It served as a orbiting platform that obtained information on agricultural and forestry resources, geology and mineral resources, hydrology and <br>water resources, [[Branches of Scientific Study#G|geography]], [[cartography]], environmental pollution, [[Branches of Scientific Study#O|oceanography]] and marine resources, and [[Meteorology|meteorological]] phenomena.
* [[Probe]] Mariner 9 sends pictures as it orbits [[Mars]]. <br> A robotic spacecraft that contributed greatly to the exploration of [[Mars]], it was the first spacecraft to orbit another [[planet]]. <br> The [[orbit]]er sent back clear pictures of the planet's surface in total, sending 7,329 images over the course of its entire mission. * A huge [[star|solar]] flare, one of the largest ever recorded, knocks out cable lines in the [[United States of America|USA]]. <br> It begins with the appearance of [[Astronomical Terms Database#S|sunspots]], and a few days later, a flare kicks off high levels of activity for six days. * At a scientific meeting, Herbert Boyer and Stanley N. Cohen conceive the concept of "recombinant [[DNA]]." Separately, Paul Berg also recombines DNA in a test tube. <br> Recombinant DNA technology has dramatically changed the field of [[biology|biological sciences]], especially biotechnology, and opened the door to genetically modified organisms. <br> DNA molecules formed by laboratory methods of genetic recombination, such as molecular cloning, recombinant DNA brings together genetic material from multiple sources, <br> creating sequences that would not otherwise be found in the genome. * "Apollo 17," the last [[Human]] [[Luna|Moon]] mission for many, many decades, is launched. <br> Orange soil was discovered at the [https://en.wikipedia.org/wiki/Shorty_(crater) Shorty crater], and proved to be volcanic in origin, although from early in the [[moon]]'s history. {{| class="wikitable" style="width:20%"! colspan="3" | [[Timeline]] |-| <center>[[1971]] || <center>[[1972]] || <center>[[1973]] |- [[category:timeline nav}}]]
