Post ApvuViPf8pUgPS1BiK by djvdq@mastodon.social
 (DIR) More posts by djvdq@mastodon.social
 (DIR) Post #ApvscoXAa8rdVpmq8m by stfn@fosstodon.org
       2025-01-10T07:50:32Z
       
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       "One of the classic ways to distinguish a star from a planet in the night sky is that stars twinkle, but planets don’t. The light of both passes through the atmosphere, but since planets appear as a small disk of light, we don’t see them flicker. Stars appear as points of light, so we can see the flicker. The apparent size of a light source is the key factor."Huh, I never realized that!https://briankoberlein.com/blog/scintillating-discovery/
       
 (DIR) Post #ApvuViPf8pUgPS1BiK by djvdq@mastodon.social
       2025-01-10T08:11:37Z
       
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       @stfn I didn't know this was a fact, but I saw it recently. My kids are asking me about the stars and planets, so I also got interested in them again. When we are looking at the night sky I saw this flickering from time to time, but I thought it's just my eyes 😅