View allAll Photos Tagged CLUSTERING
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I have walked through vineyards all my life but I have rarely seen the vines as packed with grapes as this year.
Here's a wonderful patch of space, The Great Cluster in Hercules. 300,000 stars squashed into a ball, orbiting our galaxy. Estimated to be nearly 12 billion years old, almost as old as the universe. What would the night sky look like if you lived there? Does it ever get dark?
Antares is a red supergiant star in the constellation Scorpius, the scorpion. Antares represents the heart of the animal, perhaps due in part to its color. Two open star clusters appear to be nearby--if Antares is the center of a clock, a large cluster is seen at 2:30 and a smaller, closer cluster at 1:00.
Antares is both bright and conspicuously red or red/orange, and nearby gaseous clouds take on that color.
The bright star twice the distance of the large star cluster at 2:00 is Alniyat, which illuminates both blue and red clouds. Directly above Antares in this photo is 5-Oph, and it is embedded in a cloud that glows blue, near dense, cold clouds that do not glow and block light from stars behind them.
Antares is much larger than our sun. If Antares was at the center of our solar system, its outer perimeter would be between the orbits of Mars and Jupiter--that is, instead of being 93 million miles from the sun, we would be inside of Antares.
This cluster of stars and clouds can be seen all summer, just to the right of the Milky Way above the southern horizon.
This post is a composite of 47 exposures, each 120 sec, f/4.0, ISO 1600, composited by Starry Sky Stacker. Photographed from the rim of the Little Grand Canyon on the San Rafael Swell.
Some folks find checkered lillies (fritillaria meleagris) hard to grow. That may be because they look like grass when they first come up and it is all too eacy to pull them up. Once we learned not to pull them up, they have spread easily by themselves and now display in charming clusters. Spring is in full swing now.