{"id":15987,"date":"2018-05-09T06:07:31","date_gmt":"2018-05-09T10:07:31","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=15987"},"modified":"2018-05-09T00:35:46","modified_gmt":"2018-05-09T04:35:46","slug":"eso-exiled-asteroid-discovered-in-outer-reaches-of-solar-system","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=15987","title":{"rendered":"ESO: &#8220;Exiled Asteroid Discovered in Outer Reaches of Solar System&#8221;"},"content":{"rendered":"<p>The latest news from\u00a0<a href=\"https:\/\/www.eso.org\/public\/news\/eso1814\/?lang\">ESO<\/a> (European Southern Observatory):<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"https:\/\/www.eso.org\/public\/news\/eso1814\/?lang\" target=\"_blank\" rel=\"noopener\">Exiled Asteroid Discovered in Outer Reaches of Solar System<\/a><\/strong><\/p>\n<p><figure id=\"attachment_15988\" aria-describedby=\"caption-attachment-15988\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso1814a\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"15988\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=15988\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/05\/eso1814a1.jpg\" data-orig-size=\"700,465\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO\/M. Kornmesser&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;This artist\\u2019s impression shows the exiled asteroid 2004 EW95, the first carbon-rich asteroid confirmed to exist in the Kuiper Belt and a relic of the primordial Solar System. This curious object likely formed in the asteroid belt between Mars and Jupiter and must have been transported billions of kilometres from its origin to its current home in the Kuiper Belt.&quot;,&quot;created_timestamp&quot;:&quot;1525867200&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Artist\\u2019s impression of exiled asteroid 2004 EW95&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Artist\u2019s impression of exiled asteroid 2004 EW95\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;This artist\u2019s impression shows the exiled asteroid 2004 EW95, the first carbon-rich asteroid confirmed to exist in the Kuiper Belt and a relic of the primordial Solar System. This curious object likely formed in the asteroid belt between Mars and Jupiter and must have been transported billions of kilometres from its origin to its current home in the Kuiper Belt.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/05\/eso1814a1.jpg\" class=\"wp-image-15988\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/05\/eso1814a1.jpg\" alt=\"\" width=\"500\" height=\"332\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/05\/eso1814a1.jpg 700w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/05\/eso1814a1-300x199.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-15988\" class=\"wp-caption-text\"><em>This artist\u2019s impression shows the exiled asteroid 2004 EW95, the first carbon-rich asteroid confirmed to exist in the Kuiper Belt and a relic of the primordial Solar System. This curious object likely formed in the asteroid belt between Mars and Jupiter and must have been transported billions of kilometres from its origin to its current home in the Kuiper Belt. [<a href=\"https:\/\/www.eso.org\/public\/images\/eso1814a\/\" target=\"_blank\" rel=\"noopener\">Larger images<\/a>]<\/em><\/figcaption><\/figure>An international team of astronomers has used ESO telescopes to investigate a relic of the primordial Solar System. The team found that the unusual Kuiper Belt Object 2004 EW95 is a carbon-rich asteroid, the first of its kind to be confirmed in the cold outer reaches of the Solar System. This curious object likely formed in the asteroid belt between Mars and Jupiter and has been flung billions of kilometres from its origin to its current home in the Kuiper Belt.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/1no3BAm1UFc?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>The early days of our Solar System were a tempestuous time.\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Grand_tack_hypothesis\" target=\"_blank\" rel=\"noopener\">Theoretical models<\/a>\u00a0of this period predict that after the gas giants formed they rampaged through the Solar System, ejecting\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Asteroid\" target=\"_blank\" rel=\"noopener\">small rocky bodies<\/a>\u00a0from the inner Solar System to far-flung orbits at great distances from the Sun\u00a0<a href=\"#1\">[1]<\/a>. In particular, these models suggest that the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Kuiper_belt\" target=\"_blank\" rel=\"noopener\">Kuiper Belt<\/a>\u00a0\u2014 a cold region beyond the orbit of Neptune \u2014 should contain a small fraction of rocky bodies from the inner Solar System, such as carbon-rich asteroids, referred to as\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/C-type_asteroid\" target=\"_blank\" rel=\"noopener\">carbonaceous asteroids<\/a>\u00a0<a href=\"#2\">[2]<\/a>.<\/p>\n<p>Now, a recent paper has presented evidence for the first reliably-observed carbonaceous asteroid in the Kuiper Belt, providing strong support for these theoretical models of our Solar System\u2019s troubled youth. After painstaking measurements from multiple instruments at ESO\u2019s\u00a0<a href=\"https:\/\/www.eso.org\/public\/teles-instr\/paranal-observatory\/vlt\/\" target=\"_blank\" rel=\"noopener\">Very Large Telescope<\/a>\u00a0(VLT), a small team of astronomers led by Tom Seccull of Queen\u2019s University Belfast in the UK was able to measure the composition of the anomalous Kuiper Belt Object\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/(120216)_2004_EW95\" target=\"_blank\" rel=\"noopener\">2004 EW95<\/a>, and thus determine that it is a carbonaceous asteroid. This suggests that it originally formed in the inner Solar System and must have since migrated outwards\u00a0<a href=\"#3\">[3]<\/a>.<\/p>\n<p><figure id=\"attachment_15989\" aria-describedby=\"caption-attachment-15989\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.eso.org\/public\/images\/eso1814b\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"15989\" data-permalink=\"https:\/\/hobbyspace.com\/Blog\/?attachment_id=15989\" data-orig-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/05\/eso1814b1.jpg\" data-orig-size=\"700,420\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;ESO\/L. Cal\\u00e7ada&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;An international team of astronomers has used ESO telescopes to   investigate a relic of the primordial Solar System. The team found that   the unusual Kuiper Belt Object 2004 EW95 is a carbon-rich asteroid, the  first of its kind to be confirmed in the cold outer reaches of the Solar  System. The red line in this image shows the orbit of 2004 EW95, with the orbits of other Solar System bodies shown in green for comparison.&quot;,&quot;created_timestamp&quot;:&quot;1525867200&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Orbital exile&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Orbital exile\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;An international team of astronomers has used ESO telescopes to   investigate a relic of the primordial Solar System. The team found that   the unusual Kuiper Belt Object 2004 EW95 is a carbon-rich asteroid, the  first of its kind to be confirmed in the cold outer reaches of the Solar  System. The red line in this image shows the orbit of 2004 EW95, with the orbits of other Solar System bodies shown in green for comparison.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/05\/eso1814b1.jpg\" class=\"wp-image-15989\" src=\"http:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/05\/eso1814b1.jpg\" alt=\"\" width=\"500\" height=\"300\" srcset=\"https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/05\/eso1814b1.jpg 700w, https:\/\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/05\/eso1814b1-300x180.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><figcaption id=\"caption-attachment-15989\" class=\"wp-caption-text\"><em>An international team of astronomers has used ESO telescopes to investigate a relic of the primordial Solar System. The team found that the unusual Kuiper Belt Object 2004 EW95 is a carbon-rich asteroid, the first of its kind to be confirmed in the cold outer reaches of the Solar System. The red line in this image shows the orbit of 2004 EW95, with the orbits of other Solar System bodies shown in green for comparison. [<a href=\"https:\/\/www.eso.org\/public\/images\/eso1814b\/\" target=\"_blank\" rel=\"noopener\">Larger images<\/a>]<\/em><\/figcaption><\/figure>The peculiar nature of 2004 EW95\u00a0first came to light during routine observations with the\u00a0<a href=\"http:\/\/www.spacetelescope.org\/\" target=\"_blank\" rel=\"noopener\">NASA\/ESA Hubble Space Telescope<\/a>\u00a0by Wesley Fraser, an astronomer from Queen\u2019s University Belfast who was also a\u00a0member of the team behind this discovery. The asteroid\u2019s\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Spectroscopy\" target=\"_blank\" rel=\"noopener\">reflectance spectrum<\/a>\u00a0\u2014 the specific pattern of wavelengths of light reflected from an object \u2014 was different to that of similar small Kuiper Belt Objects (KBOs), which typically have uninteresting, featureless spectra that reveal little information about their composition.<\/p>\n<p style=\"padding-left: 30px;\"><em>\u201cThe reflectance spectrum of 2004 EW95\u00a0was clearly distinct from the other observed outer Solar System objects,\u201d explains lead author Seccull. \u201cIt looked enough of a weirdo for us to take a closer look.\u201d<\/em><\/p>\n<p>The team observed 2004 EW95\u00a0with the\u00a0<a href=\"https:\/\/www.eso.org\/public\/teles-instr\/paranal-observatory\/vlt\/vlt-instr\/x-shooter\/\" target=\"_blank\" rel=\"noopener\">X-Shooter<\/a>\u00a0and\u00a0<a href=\"https:\/\/www.eso.org\/public\/teles-instr\/paranal-observatory\/vlt\/vlt-instr\/fors\/\" target=\"_blank\" rel=\"noopener\">FORS2<\/a>\u00a0instruments on the VLT. The sensitivity of these\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Spectrograph\" target=\"_blank\" rel=\"noopener\">spectrographs<\/a>\u00a0allowed the team to obtain more detailed measurements of the pattern of light reflected from the asteroid and thus infer its composition.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/5lEEtTvbGuA?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>However, even with the impressive light-collecting power of the VLT, 2004 EW95\u00a0was still difficult to observe. Though the object is 300 kilometres across, it is currently a colossal four billion kilometres from Earth, making gathering data from its dark, carbon-rich surface a demanding scientific challenge.<\/p>\n<p style=\"padding-left: 30px;\"><em>\u201cIt\u2019s like observing a giant mountain of coal against the pitch-black canvas of the night sky,\u201d <\/em><\/p>\n<p>says co-author Thomas Puzia from the Pontificia Universidad Cat\u00f3lica de Chile.<\/p>\n<p style=\"padding-left: 30px;\"><em>\u201cNot only is 2004 EW95\u00a0moving, it\u2019s also very faint,\u201d adds Seccull. \u201cWe had to use a pretty advanced data processing technique to get as much out of the data as possible.\u201d<\/em><\/p>\n<p>Two features of the object\u2019s spectra were particularly eye-catching\u00a0and corresponded to the presence of\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Ferric_oxide\" target=\"_blank\" rel=\"noopener\">ferric oxides<\/a>\u00a0and\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Phyllosilicate\" target=\"_blank\" rel=\"noopener\">phyllosilicates<\/a>. The presence of these materials had never before been confirmed in a KBO, and they strongly suggest that 2004 EW95\u00a0formed in the inner Solar System.<\/p>\n<p>Seccull concludes:<\/p>\n<p style=\"padding-left: 30px;\"><em> \u201cGiven 2004 EW95\u2019s \u00a0present-day abode in the icy outer reaches of the Solar System, this implies that it has been flung out into its present orbit by a migratory planet in the early days of the Solar System.\u201d<\/em><\/p>\n<p>[ Olivier Hainaut, an ESO astronomer who was not part of the team, comments, ]<\/p>\n<p style=\"padding-left: 30px;\"><em>\u201cWhile there have been previous reports of other \u2018atypical\u2019 Kuiper Belt Object spectra, none were confirmed to this level of quality,\u201d &#8230; \u201cThe discovery of a carbonaceous asteroid in the Kuiper Belt is a key verification of one of the fundamental predictions of dynamical models of the early Solar System.\u201d<\/em><\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/jD-ywpnRxvo?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p><strong>Notes<\/strong><\/p>\n<p><a name=\"1\"><\/a>[1] Current dynamical models of the evolution of the early Solar System, such as the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Grand_tack_hypothesis\" target=\"_blank\" rel=\"noopener\">grand tack hypothesis\u00a0<\/a>and the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Nice_model\" target=\"_blank\" rel=\"noopener\">Nice model<\/a>, predict that the giant planets migrated first inward and then outward, disrupting and scattering objects from the inner Solar System. As a consequence, a small percentage of rocky asteroids are expected to have been ejected into orbits in the\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Oort_cloud\" target=\"_blank\" rel=\"noopener\">Oort Cloud<\/a>\u00a0and\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Kuiper_belt\" target=\"_blank\" rel=\"noopener\">Kuiper belt<\/a>.<\/p>\n<p><a name=\"2\"><\/a>[2] Carbonaceous asteroids are those containing the element carbon or its various compounds. Carbonaceous \u2014 or C-type \u2014 asteroids can be identified by their dark surfaces, caused by the presence of carbon molecules.<\/p>\n<p><a name=\"3\"><\/a>[3] Other inner Solar System objects have previously been\u00a0<a href=\"https:\/\/www.eso.org\/public\/news\/eso1614\/\" target=\"_blank\" rel=\"noopener\">detected in the outer reaches of the Solar System<\/a>, but this is the first carbonaceous asteroid to be found far from home in the Kuiper Belt.<\/p>\n<p style=\"text-align: center;\">=====<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" style=\"border: none;\" src=\"\/\/rcm-na.amazon-adsystem.com\/e\/cm?o=1&amp;p=12&amp;l=ur1&amp;category=primemusic&amp;banner=0EBKCF0TBP7RX7TPW482&amp;f=ifr&amp;linkID=f2f225bb85f1f80a05cfe9bea4e7785f&amp;t=hobbyspace&amp;tracking_id=hobbyspace\" width=\"300\" height=\"250\" frameborder=\"0\" marginwidth=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The latest news from\u00a0ESO (European Southern Observatory): Exiled Asteroid Discovered in Outer Reaches of Solar System An international team of astronomers has used ESO telescopes to investigate a relic of the primordial Solar System. The team found that the unusual Kuiper Belt Object 2004 EW95 is a carbon-rich asteroid, the first of its kind to &hellip; <a href=\"https:\/\/hobbyspace.com\/Blog\/?p=15987\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">ESO: &#8220;Exiled Asteroid Discovered in Outer Reaches of Solar System&#8221;<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[75,12],"tags":[],"class_list":["post-15987","post","type-post","status-publish","format-standard","hentry","category-asteroids","category-astronomy"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-49R","jetpack-related-posts":[{"id":15134,"url":"https:\/\/hobbyspace.com\/Blog\/?p=15134","url_meta":{"origin":15987,"position":0},"title":"ESO: Dust belt observed around Proxima Centauri, our nearest neighbor star","author":"TopSpacer","date":"November 3, 2017","format":false,"excerpt":"A new\u00a0ESO\u00a0(European Southern Observatory) report: ALMA Discovers Cold Dust Around Nearest Star ALMA Observatory in Chile has detected dust around the closest star to the Solar System, Proxima Centauri. These new observations reveal the glow coming from cold dust in a region between one to four times as far from\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2017\/11\/eso1735a1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":12546,"url":"https:\/\/hobbyspace.com\/Blog\/?p=12546","url_meta":{"origin":15987,"position":1},"title":"ESO: Ancient inner solar system object returns from tour of the Oort Cloud","author":"TopSpacer","date":"April 29, 2016","format":false,"excerpt":"A new report from ESO (European Southern Observatory): Unique Fragment from Earth\u2019s Formation Returns after Billions of Years in Cold Storage Tailless Manx comet from Oort Cloud brings clues about the origin of the Solar System Astronomers have found a unique object that appears to be made of inner Solar\u2026","rel":"","context":"In &quot;Astronomy&quot;","block_context":{"text":"Astronomy","link":"https:\/\/hobbyspace.com\/Blog\/?cat=12"},"img":{"alt_text":"eso1614a[1]","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2016\/04\/eso1614a1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":24582,"url":"https:\/\/hobbyspace.com\/Blog\/?p=24582","url_meta":{"origin":15987,"position":2},"title":"ESO: VLT images 42 of the largest asteroids","author":"TopSpacer","date":"October 12, 2021","format":false,"excerpt":"The latest report from ESO (European Southern Observatory): Meet the 42: ESO images some of the biggest asteroids in our Solar System Using the European Southern Observatory\u2019s Very Large Telescope (ESO\u2019s VLT) in Chile, astronomers have imaged 42 of the largest objects in the asteroid belt, located between Mars and\u2026","rel":"","context":"In &quot;Asteroids &amp; Comets&quot;","block_context":{"text":"Asteroids &amp; Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2021\/10\/eso2114d1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2021\/10\/eso2114d1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2021\/10\/eso2114d1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2021\/10\/eso2114d1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":14947,"url":"https:\/\/hobbyspace.com\/Blog\/?p=14947","url_meta":{"origin":15987,"position":3},"title":"Hubble observes unusual asteroid pair with comet-like coma and tail","author":"TopSpacer","date":"September 21, 2017","format":false,"excerpt":"Hubble telescope spots an unusual pair of asteroids that orbit each other and also emit water vapor like the coma and tail\u00a0of a comet: Hubble discovers a unique type of object in the Solar System\u00a0 With the help of the NASA\/ESA Hubble Space Telescope, a German-led group of astronomers have\u2026","rel":"","context":"In &quot;Asteroids &amp; Comets&quot;","block_context":{"text":"Asteroids &amp; Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2017\/09\/heic1715a1.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2017\/09\/heic1715a1.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2017\/09\/heic1715a1.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2017\/09\/heic1715a1.jpg?resize=700%2C400 2x"},"classes":[]},{"id":16294,"url":"https:\/\/hobbyspace.com\/Blog\/?p=16294","url_meta":{"origin":15987,"position":4},"title":"Hubble: Interstellar visitor &#8216;Oumuamua leaving faster than expected","author":"TopSpacer","date":"June 27, 2018","format":false,"excerpt":"The interstellar object that passed through the solar system continues to provide surprises: Hubble sees `Oumuamua getting a boost\u00a0 New results indicate interstellar nomad is a comet\u00a0 https:\/\/youtu.be\/qGGLV31jDHI `Oumuamua, the first interstellar object discovered in the Solar System, is moving away from the Sun faster than expected. This anomalous behaviour\u2026","rel":"","context":"In &quot;Asteroids &amp; Comets&quot;","block_context":{"text":"Asteroids &amp; Comets","link":"https:\/\/hobbyspace.com\/Blog\/?cat=75"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/hobbyspace.com\/Blog\/wp-content\/uploads\/2018\/06\/heic1813b1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":15215,"url":"https:\/\/hobbyspace.com\/Blog\/?p=15215","url_meta":{"origin":15987,"position":5},"title":"ESO: VLT detects unusual features of first observed interstellar asteroid","author":"TopSpacer","date":"November 20, 2017","format":false,"excerpt":"A new report from the ESO (European Southern Observatory): ESO Observations Show First Interstellar Asteroid is Like Nothing Seen Before For the first time ever astronomers have studied an asteroid that has entered the Solar System from interstellar space. 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