The distances to other stars are depressingly enormous. But in the case of other stars, interstellar flight times will take thousands and even tens of thousands of years to send just a robotic mission. Fortunately, the Milky Way has got our back. Other star systems have been hurling comets and asteroids towards the Solar System. https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/Audio Podcast version:ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2RSS: https://www.universetoday.com/audioWeekly email newsletter:https://www.universetoday.com/newsletterWeekly Space Hangout:https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/Astronomy Cast:https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSgSupport us at https://www.patreon.com/universetodayMore stories at https://www.universetoday.com/Twitch: https://twitch.tv/fcainTwitter: https://twitter.com/universetodayFacebook: https://www.facebook.com/universetodayInstagram - https://instagram.com/universetodayTeam: Fraser Cain - @fcain / [email protected]Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fwChad Weber - [email protected]References:https://news.ucsc.edu/2020/04/oumuamua.htmlhttps://public.nrao.edu/news/alma-reveals-unusual-composition-of-interstellar-comet-2i-borisov/http://www.esa.int/Science_Exploration/Space_Science/ESA_s_new_mission_to_intercept_a_comethttps://www.nasa.gov/directorates/spacetech/niac/2020_Phase_I_Phase_II/Dynamic_Orbital_Slingshot/https://nssdc.gsfc.nasa.gov/planetary/factsheet/plutofact.htmlhttps://arxiv.org/ftp/arxiv/papers/1711/1711.03155.pdfhttps://www.youtube.com/watch?v=p0SMNucXwgo