7 Big Astro Events in Your Lifetime
Your astronomical bucket list—the biggest sky and space highlights of the next half-century you can see with your own eyes.
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Sukkot (Day 7) / Hoshanah Rabah
The last day of Sukkot marks the end of the Sukkot festival, celebrated among Jewish communities worldwide.
Shemini Atzeret / Simchat Torah
Shemini Atzeret (or Shmini Atzeret) is a Jewish holiday dedicated to the love of God, while Simchat Torah (Simchas Torah or Simhat Torah) and celebrates the completion of the annual reading of the Torah.
AM and PM Explained
How does the 12-hour clock system work? Is midnight 12 am or 12 pm?