The date of New Year’s Day seems so fundamental that it’s almost as though nature ordained it. But New Year’s Day is a civil event. Its date is not precisely fixed by a seasonal marker.
Earth comes closest to the sun (perihelion) on today. Meanwhile, the December solstice took place on December 22. Are the December solstice and January perihelion related? No. It’s just a coincidence that they come so close together. Click inside to see when perihelion will fall at the March equinox.
The Star of Bethlehem, or Christmas Star, is mentioned in the Bible. It’s said to have led the three wise men to Bethlehem. But was the Christmas Star a real object in the sky? Or was it just a symbol?
Yes, at the Earth’s South Pole, high noon comes only once a year, on the December summer solstice. Yet, it’s midnight at the other end of the world – at the Earth’s North Pole – where midnight only comes once a year, on the December winter solstice.
There are more than 450 active and dormant volcanoes located within the Ring of Fire. Plus it’s prone to powerful earthquakes. Here’s why.
Every so often, the International Space Station (ISS) becomes visible in your night sky. It’ll look like a bright star moving quickly above the horizon. The ISS is so bright, it can even been seen from the center of a city. Here’s how you can spot the ISS in your night sky.
Happy birthday to all our December-baby friends! December has two birthstones, turquoise and zircon.
Here’s your FAQ for this Friday ….
Light is the fastest-moving stuff in the universe. It travels at an incredible 300,000 kilometers (186,000 miles) per second. That’s very fast. A light-year is the distance light travels in one year. How far is that?
Ah, Thanksgiving Day. You pile your plates with turkey, dressing, two kinds of potatoes, cranberries – all the traditional foods – and dig in. Second helpings? Of course! An hour later, after plenty of food and conversation, you push back and notice you’ve become very, very sleepy. You think, “I’m sleepy because turkey is high in tryptophan.”
Here’s a question we get regularly:
Is it true that Jupiter could be considered our friendliest planet because – without Jupiter – comets would be more likely to hit us?
The answer is yes … and no.