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… And why does it move forward?
First time we can see 5 planets at once since 2005. All 5 are up before dawn, still, and all 5 will remain visible until Mercury disappears in the dawn just after mid-February.
Depending on the temperature and humidity of the air where the snowflakes form, the resulting ice crystals will grow into a myriad of different shapes.
And how many potential supernovae are located within the unsafe distance?
Age of Aquarius begins when vernal equinox point moves out of constellation Pisces and into Aquarius. There’s no definitive answer as to when that will be.
Cloud streets are long rows of cumulus clouds that are oriented parallel to the direction of the wind. Check out these cool images!
Alien visitation? No. Lunar X is an example of how lighting and topography can combine to produce a pattern that seems familiar to the human eye.
New Year’s Day is a civil event. Its date isn’t precisely fixed by any natural seasonal marker.
December has two birthstones, turquoise and zircon.
Jupiter’s gravity slings long-period comets out of harm’s way, while nudging some asteroids closer to Earth. And, in 1770, Jupiter took aim on Earth – but missed.
Somber Betelgeuse in Orion’s shoulder
Venus green flash