https://padlet.com/691121/izrv842siwys en-us 2018-03-06 15:04:46 UTC 2024-12-14 20:55:16 UTC hello@padlet.com 691121 https://padlet.com/691121/izrv842siwys/wish/238656132 2018-03-06 15:14:14 UTC https://padlet.com/691121/izrv842siwys/wish/238656132 691121 https://padlet.com/691121/izrv842siwys/wish/238658633 2018-03-06 15:17:17 UTC https://padlet.com/691121/izrv842siwys/wish/238658633 691121 https://padlet.com/691121/izrv842siwys/wish/238659444 ☆ located approximately 5,000 light years away in the constellation of Aquarius]]> 2018-03-06 15:18:15 UTC https://padlet.com/691121/izrv842siwys/wish/238659444 691121 https://padlet.com/691121/izrv842siwys/wish/238661610 ☆ discovered by William Herschel on September 7, 1782]]> 2018-03-06 15:20:33 UTC https://padlet.com/691121/izrv842siwys/wish/238661610 691121 https://padlet.com/691121/izrv842siwys/wish/238664933 ☆ central star is now a bright white dwarf star with an absolute magnitude of +1.5]]> 2018-03-06 15:24:41 UTC https://padlet.com/691121/izrv842siwys/wish/238664933 691121 https://padlet.com/691121/izrv842siwys/wish/238666687 ☆ gets its name from its superficial resemblance to the planet Saturn]]> 2018-03-06 15:26:57 UTC https://padlet.com/691121/izrv842siwys/wish/238666687 691121 https://padlet.com/691121/izrv842siwys/wish/238668798 ☆ many intricate structures, including an elliptical inner shell, an outer shell, and a halo]]> 2018-03-06 15:29:37 UTC https://padlet.com/691121/izrv842siwys/wish/238668798 691121 https://padlet.com/691121/izrv842siwys/wish/238671852 ☆ 5,200 light-years in distance]]> 2018-03-06 15:33:38 UTC https://padlet.com/691121/izrv842siwys/wish/238671852 691121 https://padlet.com/691121/izrv842siwys/wish/238672282 ☆ strong ultraviolet irradiation from the central star creates the characteristic fluorescent green tint]]> 2018-03-06 15:34:10 UTC https://padlet.com/691121/izrv842siwys/wish/238672282 691121 https://padlet.com/691121/izrv842siwys/wish/238675829 ☆ the stunning remnant of a stellar explosion]]> 2018-03-06 15:38:09 UTC https://padlet.com/691121/izrv842siwys/wish/238675829 691121 https://padlet.com/691121/izrv842siwys/wish/238677977 ☆ will last only a few tens of  thousands of years before expanding and cooling to such an extent that it becomes invisible to us]]> 2018-03-06 15:40:39 UTC https://padlet.com/691121/izrv842siwys/wish/238677977 691121 https://padlet.com/691121/izrv842siwys/wish/238680415 ☆ dust is distributed throughout, but there is a significant drop in the amount of dust at the rim of the inner shell, where it seems that it is being destroyed]]> 2018-03-06 15:43:29 UTC https://padlet.com/691121/izrv842siwys/wish/238680415