{"generator":"GNU social 2.0.2-dev","title":"Conversation","totalItems":1,"items":[{"actor":{"id":"https:\/\/mastodon.social\/users\/wikkit","displayName":"Ben Brockert","status_net":{"avatarLinks":[{"url":"https:\/\/gnusocial.jp\/avatar\/113710-original-tmp20230421134508.webp","rel":"avatar","type":"image\/webp","width":72,"height":72},{"url":"https:\/\/gnusocial.jp\/avatar\/113710-96-20230421134508.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},{"url":"https:\/\/gnusocial.jp\/avatar\/113710-48-20230421134508.webp","rel":"avatar","type":"image\/webp","width":48,"height":48},{"url":"https:\/\/gnusocial.jp\/avatar\/113710-24-20230421134508.webp","rel":"avatar","type":"image\/webp","width":24,"height":24}],"profile_info":{"local_id":"113710"}},"image":{"url":"https:\/\/gnusocial.jp\/avatar\/113710-96-20230421134508.webp","rel":"avatar","type":"image\/webp","width":96,"height":96},"objectType":"person","summary":"Space. Travel. Not yet space travel.","url":"https:\/\/mastodon.social\/@wikkit","portablecontacts_net":{"preferredUsername":"wikkit","displayName":"Ben Brockert","note":"Space. Travel. Not yet space travel."}},"content":"<p>This is the 100 year anniversary of humans having an idea of what the heck the sun and all the stars actually are. If you had asked a leading astronomer in 1925 what the sun was, they would say that it's basically the same as Earth, but very hot.<\/p><p>In Cecilia Payne's doctoral thesis she was the first to say, from spectral data, that the sun was overwhelmingly made of hydrogen and helium.<\/p><p>It was later described as \"the most brilliant PhD thesis ever written in astronomy\".<\/p><p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Cecilia_Payne-Gaposchkin\" rel=\"nofollow\">https:\/\/en.wikipedia.org\/wiki\/Cecilia_Payne-Gaposchkin<\/a><\/p>","generator":{"id":"tag:gnusocial.jp,2026-10-14:notice-source:ActivityPub","objectType":"application","status_net":{"source_code":"ActivityPub"}},"id":"https:\/\/mastodon.social\/users\/wikkit\/statuses\/114671621021494536","object":{"id":"https:\/\/mastodon.social\/users\/wikkit\/statuses\/114671621021494536","objectType":"note","content":"<p>This is the 100 year anniversary of humans having an idea of what the heck the sun and all the stars actually are. If you had asked a leading astronomer in 1925 what the sun was, they would say that it's basically the same as Earth, but very hot.<\/p><p>In Cecilia Payne's doctoral thesis she was the first to say, from spectral data, that the sun was overwhelmingly made of hydrogen and helium.<\/p><p>It was later described as \"the most brilliant PhD thesis ever written in astronomy\".<\/p><p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Cecilia_Payne-Gaposchkin\" rel=\"nofollow\">https:\/\/en.wikipedia.org\/wiki\/Cecilia_Payne-Gaposchkin<\/a><\/p>","url":"https:\/\/mastodon.social\/@wikkit\/114671621021494536","status_net":{"notice_id":null}},"to":[{"objectType":"http:\/\/activitystrea.ms\/schema\/1.0\/collection","id":"http:\/\/activityschema.org\/collection\/public"}],"status_net":{"conversation":"tag:gnusocial.jp,2025-06-13:objectType=thread:nonce=9d99d815f4037264","notice_info":{"local_id":"10186893","source":"ActivityPub"}},"published":"2025-06-13T00:49:26+00:00","provider":{"objectType":"service","displayName":"GNU social JP","url":"https:\/\/gnusocial.jp\/"},"verb":"post","url":"https:\/\/mastodon.social\/@wikkit\/114671621021494536"}],"links":[{"url":"https:\/\/gnusocial.jp\/conversation\/5192686","rel":"alternate","type":"text\/html"}]}