Sunset at Dog Rocks
The glorious twilight sky above was captured at Dog Rocks, Batesford, near Geelong, Australia on January 18, 2013. I happened to be the only one here this evening and was treated to these gold and red...
View ArticleHypnotic solar explosions in 4k
To the naked eye, our sun is an unremarkable ball of heat and light. Under the eye of the Solar Dynamics Observatory, or S.D.O, the Sun’s activity is revealed under various spectrums of light. See...
View ArticlePartial Solar Eclipse with Airplane
Image Credit & Copyright: Phillip Calais Explanation: It was just eight minutes after sunrise, last week, and already there were four things in front of the Sun. The largest and most notable was...
View ArticleBlue sun bursting
Image Credit & Copyright: Alan Friedman (Averted Imagination) Explanation: Our Sun is not a giant blueberry. Our Sun can be made to appear similar to the diminutive fruit, however, by imaging it...
View ArticleUmbra World
Image Credit & Copyright: Dennis L. Mammana (TWAN) Explanation: On the morning of November 14, sky gazers from around the world gathered on this little planet to stand in the dark umbral shadow of...
View ArticleManhattanHenge 2013 (17 pictures)
On Wednesday people jammed the streets disregarding the taxi’s wizzing by to try and snap a picture of the twice annual event called ManhattanHenge, during which the setting sun aligns with the...
View ArticleStar Size Comparison
How big is our Sun compared to other stars? In a dramatic and popular video featured on YouTube, the relative sizes of planets and stars are shown from smallest to largest. The above video starts with...
View ArticleA Swift Tour of the Nearest Galaxies in UV Light
Astronomers at NASA’s Goddard Space Flight Center in Greenbelt, Md., and the Pennsylvania State University in University Park, Pa., have used NASA’s Swift satellite to create the most detailed surveys...
View ArticleThe fartheres (known) places in the universe. Prepare to feel tiny. Again…...
Despite hundreds of years of research, most of the universe is still unknown to us. Not much is known about its history and about what is happening outside our Solar System. Here is a series of...
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Are you Vitamin D deficient?
Basically, humans need Vitamin D. It promotes bone health (a major issue for the elderly and children) and could be a factor in keeping cardiovascular disease and some cancers at bay. Sunlight is where...
View ArticleLarge sunspots now crossing the Sun
Explanation: One of the largest sunspot regions in recent years is now crossing the Sun. This region of convoluted magnetic fields may well produce a solar flare that releases a cloud of energetic...
View ArticleHow big is the Solar System?
This is a classic exercise for visualizing just how big our Solar System really is. Both the relative size and spacing of the planets are demonstrated in this outdoor exercise, using a grapefruit to...
View ArticleA rare, spectacular total eclipse of the Sun
How can the shadow of the tiny moon eclipse the sight of the gargantuan sun? By sheer coincidence, the disc of the sun is 400x larger than the disc of the moon, but it’s 390x farther from Earth — which...
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Pictures of the solar corona (5 pictures)
The extended outer atmosphere of the Sun is called the corona. It has a temperature of millions of degrees, but it is 10 billion times less dense than the atmosphere of the Earth at sea level. The glow...
View ArticleThe Sun’s magnetic field is about to flip
Something big is happening on the sun. The sun’s global magnetic field is about to flip, a sign that Solar Max has arrived.
View ArticleWhy do we have to wear sunscreen?
You already know that a trip to the beach can give you a nasty sunburn, but the nitty gritty of sun safety is actually much more complex. Wrinkle-causing UVA rays and burn-inducing UVB’s can pose a...
View ArticleCaution: do sunscreens offer complete protection?
The French magazine ’60 Million Consumers’ tested ten high protection sun creams on adults and children. The results revealed that 6 out of the 10 products did not live up to their protection promise...
View ArticleA retreating thunderstorm at sunset
Image Credit & Copyright: Alan Dyer (The Amazing Sky)What type of cloud is that? This retreating cumulonimbus cloud, more commonly called a thundercloud, is somewhat unusual as it contains the...
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