▽Astronomy Picture of the Day
●02/11 02:48
2025 February 10Auroral Hummingbird over NorwayImage Credit & Copyright: Mickael CoulonExplanation: Is this the largest hummingbird ever? Although it may look like a popular fluttering nectarivore, what is pictured is actually a beautifully detailed and colorful aurora, complete with rays reminiscent of feathers.This aurora was so bright that it was visible to the unaided eye during blue h

▽ﾚｻﾞﾎﾞｱCATs
●02/11 02:37
154.53.62.224

▽山形浩生 の｢経済のﾄﾘｾﾂ｣
●02/09 01:10
ﾗﾌｧﾃｨ､ﾊﾞﾛｳｽﾞ､人工知能

▽ﾇﾙﾎﾞ･ｲﾙﾎﾞ　　　　韓国文化の海へ
●02/08 08:22
【ｺﾒﾝﾄ募集中】ﾌﾟﾛ野球ｷｬﾝﾌﾟを見に行ったことはある？

▽わたしが知らないｽｺﾞ本は､きっとあなたが読んでいる
●02/07 05:27
ﾊﾟｲﾛｯﾄﾌﾟﾗﾝﾄ業務 on ｢2015ﾍﾞｽﾄ｣のｽｺﾞ本ｵﾌ