■ 2月1日のツイート -> http://twilog.org/tatsuh/date-180201

■ 2月1日のツイート -> http://twilog.org/tatsuh/date-180201:

Quote of the Day: “Every failure is a step to success.” - William Whewell

posted at 15:02:58

NASAからの自動画像投稿 International Space Station Transits the Full Moon www.nasa.gov/image-feature/… pic.twitter.com/lrxJGLL0xg

posted at 09:54:17

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from Tatsuh(@tatsuh) - Twilog

from blog “ ＤはデジタルのＤ ”
from Tumblr https://tatsuh.tumblr.com/post/170373950180