Websites targeting keyword earth's rotation

Eye On the Sky: Astronomy Lessons and Activities for the Elementary (K-6) Classroom. Presented by Project FIRST (Fostering Reading Through Science and Technology).

SkyMarvels HOME. SkyMarvels: Your Key to the Sky and the Universe! Your gateway to astronomy interactives, animations and videos galore! Streak through the universe in stunning 3-D! Trek to planets, moons, stars, galaxies! REAL astronomy for all ages! Startlingly realistic! SkyMarvels uses the incredible, free astronomy-simulation software CELESTIA to whisk you through space and time effortlessly! Awesome animations, scripts, add-ons, tools and more bring you astronomical experiences with no equal! Like Earth's Current Day-Night Map, Earth's 12-Month Heartbeat! Tonight's Sky Maps! And our exclusive downloadable astronomy posters (like our Time Zones poster and Earth's Tides poster) will make your voyages all the more rewarding. Lots of free stuff!

On June 30th, due to changes in the Earth's rotation, an extra second was added to the World Clock. One moment, celebrated countless ways.

Теоретическая механика для всех форм обучения