{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" /\u003e\n\u003cdiv data-title='ESO Top 10 Astronomy Discoveries - Top 10 space discoveries' data-url='/boclips/videos/5c670197350a1b0001a758ea' data-video-url='/boclips/videos/5c670197350a1b0001a758ea' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nESO Top 10 Astronomy Discoveries - Top 10 space discoveries\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30359512\" href=\"/search?publisher_ids%5B%5D=30359512\"\u003eSpace Videos\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eObservations with ESO telescopes have led to many breakthroughs in astronomy, and, over the years, have been responsible for some truly remarkable findings. Here is our list of ESO´s Top 10 astronomical discoveries so far. top 10: Stars...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eObservations with ESO telescopes have led to many breakthroughs in astronomy, and, over the years, have been responsible for some truly remarkable findings. Here is our list of ESO´s Top 10 astronomical discoveries so far. top 10: Stars orbiting the Milky Way black hole Several of ESO's flagship telescopes were used in a 16-year long study to obtain the most detailed view ever of the surroundings of the monster lurking at the heart of our galaxy — a supermassive black hole. Accelerating Universe Two independent research teams, based on observations of exploding stars, including those from ESO's telescopes at La Silla and Paranal, have shown that the expansion of the Universe is accelerating. The 2011 Nobel Prize in Physics was awarded for this result. Planet Found in Habitable Zone Around Nearest Star, Proxima Centauri The long-sought world, designated Proxima b, orbits its cool red parent star every 11 days and has a temperature suitable for liquid water to exist on its surface. This rocky world is a little more massive than the Earth and is the closest exoplanet to us — and it may also be the closest possible abode for life outside the Solar System. Revolutionary ALMA image reveals planetary genesis In 2014, ALMA, the Atacama Large Millimeter/submillimeter Array, revealed remarkable details of a solar system that is forming. The images of HL Tauri were the sharpest ever made at submillimetre wavelengths. They show how forming planets are vacuuming up dust and gas in a protoplanetary disc. First image of an exoplanet The VLT has obtained the first-ever image of a planet outside our Solar System. The 5-Jupiter-mass planet orbits a failed star — a brown dwarf — at a distance of 55 times the mean Earth-Sun distance. Oldest star known in the Milky Way Using ESO's VLT, astronomers have measured the age of the oldest star known in our galaxy, the Milky Way. At 13.2 billion years old, the star was born in the earliest era of star formation in the Universe. Uranium has also been detected in a Milky Way star and used as an independent estimate of the age of the galaxy. Direct measurements of the spectra of exoplanets and their atmospheres The atmosphere around a super-Earth exoplanet has been analysed for the first time using the VLT. The planet, which is known as GJ 1214b, was studied as it passed in front of its parent star and some of the starlight passed through the planet’s atmosphere. The atmosphere is either mostly water in the form of steam or is dominated by thick clouds or hazes. This follows from the earlier first direct spectrum of an exoplanet. Science papers: Bean, J. et al, 2010, Nature Janson, M. et al, 2010, ApJ Read more in the ESO Press Release eso1047 and in the ESO Press Release eso1002 Cosmic temperature independently measured The VLT has detected carbon monoxide molecules in a galaxy located almost 11 billion light-years away for the first time, a feat that had remained elusive for 25 years. This has allowed astronomers to obtain the most precise measurement of the cosmic temperature at such a remote epoch. Science paper: Srianand, R. et al, 2008, A\u0026A (Telbib) Noterdaeme et al., A\u0026A (Telbib) Read more in the ESO Press Release eso0813 Richest planetary system Astronomers using ESO’s HARPS have discovered a planetary system containing at least five planets, orbiting the Sun-like star HD 10180. Also evidence that two other planets may be present, one of which would have the lowest mass ever found. Furthermore, the team also found evidence that the distances of the planets from their star follow a regular pattern, as also seen in our Solar System. Science paper: Lovis, C. et al, 2010, A\u0026A Read more in the ESO Press Release eso1035 Gamma-ray bursts – the connections with supernovae and merging neutron stars ESO telescopes have provided definitive proof that long gamma-ray bursts are linked with the ultimate explosion of massive stars, solving a long-time puzzle. In addition a telescope at La Silla was able for the first time to observe the visible light from a short gamma-ray burst, showing that this family of objects most likely originate from the violent collision of two merging neutron stars. Science papers: Galama T.J., et al., 1998, Nature Hjorth et al., 2003 (Telbib) Hjorth, J., et al., 2005, Nature Pian, E., et al., 2006, Nature Read more in the ESO Press Release eso0318, ESO Press Release eso0533 and in the ESO Press Release eso0633. 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