170223 Googleロゴ
地球に似た太陽系外惑星7つ発見!
http://www.google.co.jp/logos/doodles/2017/seven-earth-size-exoplanets-discovered-6423181526040576-res.png
http://www.google.co.jp/logos/doodles/2017/seven-earth-size-exoplanets-discovered-6423181526040576-hp.gif
formerly posted as h.hatena.ne.jp/screwflysolver/83468783126049248
http://www.google.co.jp/logos/doodles/2017/seven-earth-size-exoplanets-discovered-6423181526040576-res.png
http://www.google.co.jp/logos/doodles/2017/seven-earth-size-exoplanets-discovered-6423181526040576-hp.gif
formerly posted as h.hatena.ne.jp/screwflysolver/83468783126049248