Myron Daw
@mdaw50.bsky.social
Retired Science & PE Teacher and Coach. Science enthusiast, Curious about Space, Worried about Earth. I also play a lot of golf.
Husband to one, father to two.
Husband to one, father to two.
Reposted by Myron Daw
What's a Sidereal day? Earth completes one full rotation relative to distant stars in 23 hours 56 minutes—this is a Sidereal Day. But, because of Earth's orbital motion, the Sun appears to shift position each day. To align with the Sun again, Earth needs an extra 4 mins, making a Solar Day 24 hours:
November 18, 2024 at 10:56 PM
What's a Sidereal day? Earth completes one full rotation relative to distant stars in 23 hours 56 minutes—this is a Sidereal Day. But, because of Earth's orbital motion, the Sun appears to shift position each day. To align with the Sun again, Earth needs an extra 4 mins, making a Solar Day 24 hours:
Reposted by Myron Daw
The rotation periods of the planets, side-by-side
November 18, 2024 at 8:31 PM
The rotation periods of the planets, side-by-side
First day on Bluesky. First post: One month ago today, I was an Umbraphile. I saw totality, a Solar Prominence, and a 360 degree sunset all at the same time.
May 8, 2024 at 9:08 PM
First day on Bluesky. First post: One month ago today, I was an Umbraphile. I saw totality, a Solar Prominence, and a 360 degree sunset all at the same time.