{"id":218657,"date":"2013-12-27T19:00:00","date_gmt":"2013-12-27T23:00:00","guid":{"rendered":"09a5283a8c4e8aa9e9d1cd227ff3780b"},"modified":"2013-12-27T19:00:00","modified_gmt":"2013-12-27T23:00:00","slug":"mars-express-makes-closest-ever-phobos-fly-by","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=218657","title":{"rendered":"Mars Express makes closest-ever Phobos fly by"},"content":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/videos\/2013\/12\/mars_express_makes_closest-ever_phobos_fly_by\/13466740-1-eng-GB\/Mars_Express_makes_closest-ever_Phobos_fly_by_small.png\" width=\"170\" height=\"127\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nOn 29 December 2013, ESA\u2019s Mars Express will make the closest flyby yet of the Red Planet\u2019s moon Phobos, skimming past only 45 km above its surface.\n<\/p>\n<p>\nAs the spacecraft passes close to Phobos, it will be pulled slightly off course by the moon\u2019s gravity, by a few tens of centimetres. This small deviation will be measured using the spacecraft\u2019s radio signals, and then translated into measurements of gravity, mass and density at different locations on the moon.\n<\/p>\n<p>\nThis animation shows how the flyby would appear from a vantage point near Mars Express, with Phobos passing by beneath. The relative movement between the spacecraft and moon has been speeded up ten times faster than actual.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/videos\/2013\/12\/mars_express_makes_closest-ever_phobos_fly_by\/13466740-1-eng-GB\/Mars_Express_makes_closest-ever_Phobos_fly_by_small.png\" width=\"170\" height=\"127\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nOn 29 December 2013, ESA\u2019s Mars Express will make the closest flyby yet of the Red Planet\u2019s moon Phobos, skimming past only 45 km above its surface.\n<\/p>\n<p>\nAs the spacecraft passes close to Phobos, it will be pulled slightly off course by the moon\u2019s gravity, by a few tens of centimetres. This small deviation will be measured using the spacecraft\u2019s radio signals, and then translated into measurements of gravity, mass and density at different locations on the moon.\n<\/p>\n<p>\nThis animation shows how the flyby would appear from a vantage point near Mars Express, with Phobos passing by beneath. The relative movement between the spacecraft and moon has been speeded up ten times faster than actual.<\/p>\n","protected":false},"author":5,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-218657","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-multimedia"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/218657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=218657"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/218657\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=218657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=218657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=218657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}