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taurus

The Taurus Molecular Cloud

June 4, 2019 By Brian Ventrudo Filed Under: Astronomy Images and Video

The dark nebula Barnard 22 and the tiny flame-shaped reflection nebula IC 2087, both part of the Taurus Molecular Cloud. Captured at Grand Mesa Observatory in Colorado. Image credit and copyright Terry Hancock and Tom Masterson. Click to enlarge.

Many stargazers are familiar with the giant Orion Molecular Cloud, a vast star-making complex some 1,300 light years away that harbours, among many other celestial objects, the Great Orion Nebula. But there’s a closer, lesser known molecular cloud quietly churning out new stars just 430 light years away towards the constellation Taurus. The Taurus Molecular Cloud, or TMC-1, is smaller and less dense than Orion but it still intrigues professional astronomers.  The complex contains hundreds of solar masses of dust and gas and all sorts of complex organic molecules formed out of the soot of long-dead stars [Read more…] about The Taurus Molecular Cloud

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Tagged With: dark nebula, reflection nebula, taurus

The Hyades Star Cluster

February 7, 2019 By Brian Ventrudo Filed Under: Deep Sky

The Hyades, below and left of center, and the Pleiades, two open star clusters in the northern zodiacal constellation Taurus. Image credit: Brian Ventrudo. Click to enlarge.

It’s the second-closest star cluster to Earth, and it appears so large that many new stargazers don’t even know it’s a true star cluster. But the Hyades, which make up the V-shaped head of the constellation Taurus, the Bull, is a resplendent collection of young, mostly blue-white stars that are lovely to the unaided eye and a wonder to behold in a pair of binoculars.

Often overshadowed by the smaller and more famous and apparently smaller Pleiades to the west, the Hyades are visible high in the northern sky this time of year. They’re visible from the southern hemisphere, too, perhaps 20° above the northern horizon just after sunset in South Africa, Australia, and New Zealand. An easy way to spot the Hyades? Follow a line from Orion’s Belt to the northwest until you see the little V with the bright orange star Aldebaran at one apex and keep going to get to the Pleiades. Follow Orion’s Belt in the other direction and you’ll find the bright blue-white star Sirius, the brightest star in the sky. The image below shows you what to look for [Read more…] about The Hyades Star Cluster

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Tagged With: hyades, pleiades, star cluster, taurus

The ‘Seven (Dusty) Sisters’

January 18, 2019 By Brian Ventrudo Filed Under: Deep Sky

An image of the Pleiades Star Cluster (Messier 45) and surrounding region. Image courtesy of Terry Hancock and Grand Mesa Observatory.

Like many observers both casual and serious, I do not tire of gazing upon the little star cluster known as the Pleiades. I’ve seen the cluster a thousand times, but I’ll still stop and take a long look at it without optics while out for a walk on a winter’s night. Some night I’ll grab a pair of binoculars and make a closer inspection of the cluster, which fits perfectly in the field of view of such an instrument. And if it’s not too cold, I’ll pull out a telescope and a wide-field eyepiece and spend 20 minutes taking in the astonishing view of this group of blue-white stars that formed while dinosaurs still roamed the Earth. Which, in celestial terms, was not all that long ago.

Why keep looking at the Pleiades after so many years? The cluster doesn’t appear to change, of course, in the restricted timescale of a human life. But the Pleiades is a profoundly beautiful sight, as pleasing as a field of alpine wildflowers, and I never fail to see new patterns of stars both bright and dim that I hadn’t noticed before [Read more…] about The ‘Seven (Dusty) Sisters’

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Tagged With: astrophotography, pleiades, taurus

The Hyades Star Cluster – The “Raining Stars”

January 13, 2016 By Brian Ventrudo Filed Under: Deep Sky

Orion's Belt points the way to the V-shaped Hyades star cluster as seen from the southern hemisphere. The bright star at one tip of the Hyades is Aldebaran, which is not a part of the cluster. (Credit: Luis Argerich from Flickr.com)
Orion’s Belt points the way to the V-shaped Hyades star cluster as seen from the southern hemisphere. The bright star at one tip of the Hyades is Aldebaran, which is not a part of the cluster. The bright object below the Hyades is Jupiter, which was in this part of the sky when the image was taken. (Credit: Luis Argerich from Flickr.com)

The famed V-shaped head of the constellation Taurus is dominated by a lovely collection of blue and orange stars of the Hyades star cluster. Often overshadowed by the smaller and more famous Pleiades, the Hyades are visible high in the northern sky this time of year. They’re visible from the southern hemisphere, too, perhaps 20° above the northern horizon just after sunset in South Africa, Australia, and New Zealand.

The Hyades have been known since antiquity. The cluster’s name comes from the Greek legend of the seven Hyads, the daughters of the titan Atlas and Aethra. Atlas was busy because he had seven more daughters by another wife, Pleione. These daughters were called the Pleiades. So by legend, the Pleiades and the Hyades are half-sisters. Unlike the Pleiades star cluster, the stars of the Hyades are not named after the sisters. And the Hyades contains some 20 stars visible to the naked eye; the Pleiades have just six [Read more…] about The Hyades Star Cluster – The “Raining Stars”

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Tagged With: hyades, star cluster, taurus

The Halloween Fireballs

October 27, 2015 By Brian Ventrudo Filed Under: Solar System

Taurids
Taurid fireball imaged on October 28, 2005 by Hiroyuki Iida.

The Taurid meteor shower runs from early October through late November each year and peaks in the early morning of November 12. This year, in 2015, that’s just a day after new Moon, which means the sky will be at its darkest for this event. Because they are active over Halloween, and they displayed an impressive outburst about 10 years ago at the end of October, the Taurids are sometimes called the Halloween Fireballs [Read more…] about The Halloween Fireballs

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Tagged With: meteor shower, solar system, taurus

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