It’s Spring on Mars—and That Means Violently Explosive Geysers and Avalanches
The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...
来自MSN1 个月
The winter solstice is almost here, the Northern Hemisphere's darkest day
The Northern Hemisphere’s spring — or vernal ... These are just two different ways to carve up the year. Meteorological seasons are defined by the weather. They break down the year into ...
Space.com27 天
When is the Winter Solstice and what happens?
One in the Northern Hemisphere, and the other in the Southern ... not only would our planet not have a Winter Solstice, it would not have seasons at all. The axial tilt of the Earth means that ...
News1 个月
The winter solstice is almost here, the Northern Hemisphere's darkest day
The Northern Hemisphere’s spring — or vernal ... What’s the difference between meteorological and astronomical seasons? These are just two different ways to carve up the year.
What to see in the sky in February: 'Galaxy season' and great views of planets
With a lining up of planets and distant galaxies visible to the naked eye, there is a lot to see in the skies in February.