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.
Your astronomical bucket list—the biggest sky and space highlights of the next half-century you can see with your own eyes.
How does the 12-hour clock system work? Is midnight 12 am or 12 pm?
Why do many countries set the clocks back and forth an hour twice a year?
Why are there 12 months? How long are they, and what do the month names mean?