Every four years, a day is added to the calendar, but why? How and when did humans decide it was necessary? Did you know the calendar will eventually need to change again?
No telescope is needed to view the solar system's largest planet as it moves into opposition in September, making it the biggest, brightest, and closest in all of 2022.
It’s an amazing sight — and something you’ll never see it on this planet. A 90-minute storm on the surface of the Sun was captured on video by NASA last week.