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Mars’ Spring Awakening Brings Explosions, Towering Avalanches, and Wandering Sand Dunes
While Earth’s northern hemisphere welcomes the new year with the quiet chill of winter, Mars transforms into a fiery theater ...
Sun Sentinel17d
The winter solstice is almost here, the Northern Hemisphere’s darkest day
The Northern Hemisphere’s spring — or vernal — equinox can land between March 19 and 21, depending on the year. Its fall – or autumnal — equinox can land between Sept. 21 and 24.
The winter solstice is the shortest day of the year. When does daylight saving time start?
Today is the winter solstice, the year's shortest day. How many hours of daylight will Ohio see? And when does daylight ...
earth4d
New year on Mars: Avalanches, icy explosions, and the arrival of spring
Mars experiences explosive changes during spring. Ice sublimates directly into gas, causing avalanches and geysers.
Longest night of the year: What to know about the winter solstice
The solstice occurs at the same time everywhere on Earth, this year it happens Dec. 21 at 4:21 a.m. EST. For the Northern Hemisphere, it marks the astronomical start of winter because the North Pole ...