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Recent Astronomy Articles at Cosmic Pursuits

The Poet Laureate of Stargazing

May 31, 2019 by Brian Ventrudo Filed Under: Stargazing


Today marks the 200th anniversary of the birth of the great and good American poet, essayist, and humanist Walt Whitman. Sometimes called the ‘father of free verse’, Whitman was often beheld as the key to understanding America as it was in the promising days of late 19th century, after the Civil War. He was also, in my view, the poet laureate of stargazers everywhere, especially on account of two of his poems ‘When I Heard the Learn’d Astronomer’ and ‘A Clear Midnight’, reproduced below for your reading pleasure.

“A Clear Midnight”
This is thy hour O Soul, thy free flight into the wordless,
Away from books, away from art, the day erased, the lesson done,
Thee fully forth emerging, silent, gazing, pondering the themes
thou lovest best,
Night, sleep, death and the stars.

“When I Heard the Learn’d Astronomer”
When I heard the learn’d astronomer,
When the proofs, the figures, were ranged in columns before me,
When I was shown the charts and diagrams, to add, divide, and measure them,
When I sitting heard the astronomer where he lectured with much applause in the lecture-room,
How soon unaccountable I became tired and sick,
Till rising and gliding out I wander’d off by myself,
In the mystical moist night-air, and from time to time,
Look’d up in perfect silence at the stars.

Or enjoy the latter poem in the video format below (which is likely the only time you will ever see a video from ‘Breaking Bad’ on this website):

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Filed Under: Stargazing

Emergent Crystals

May 9, 2019 by Brian Ventrudo Filed Under: Science

We normally cover really big things in these pages, things like planets, stars and galaxies. But the cosmos is ultimately built from very small bits and pieces that organize themselves on a tiny scale that are at least as beautiful as anything to be seen in the night sky. This video, created by Beauty of Science, shows at an accelerated pace the formation of six kinds of crystals out of solution. Whereas many astronomical objects coalesce because of gravity, these crystals are made from a beautiful interplay of electric forces, geometry, and quantum mechanics. Quite a beautiful sight!

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Filed Under: Science

Careening Through Carina

April 24, 2019 by Joe Bergeron Filed Under: Deep Sky

The star cluster NGC 2516 in the constellation Carina. Image credit: Sergio Equivar.

In dark sky, northern-hemisphere observers can see the winter Milky Way as a featureless, inconspicuous band of haze running east of Orion and disappearing below the horizon south of the constellations Canis Major and Puppis. In light-polluted sky, the winter Milky Way is hard to see at all. But further south, into the far southern constellation Carina, the Milky Way suddenly explodes into one of its brightest, most spectacular, and most detailed sections, running through Crux, Centaurus, and beyond [Read more…] about Careening Through Carina

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Filed Under: Deep Sky

Touring the Small Magellanic Cloud

March 30, 2019 by Joe Bergeron Filed Under: Deep Sky

The Magellanic Clouds low over the horizon as seen from Paranal Observatory in the Chilean Andes. Image credit: ESO/Yuri Beletsky.

The best way for an amateur astronomer to literally expand his or her horizons is to venture to the hemisphere opposite your home, to take in the starry wonders hidden from view by the pesky curvature of our globe. This is especially true for natives of the Northern Hemisphere, because the southern circumpolar sky offers some of the most spectacular sights available to any observer. Fine as the Big Dipper and the Double Cluster may be, they struggle to compete with the Magellanic Clouds and the southernmost parts of the Milky Way.

This is the philosophy that led to my three visits to New Zealand. I’m writing this from the Bay of Islands on the North Island, at 35o south latitude. I’ll share some of my observations in this inaugural edition of my observing column, Eyes on the Deep Sky. [Read more…] about Touring the Small Magellanic Cloud

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Filed Under: Deep Sky

Lunar Tour – Plato and Region

March 20, 2019 by Brian Ventrudo Filed Under: Solar System

As the Moon reaches first quarter, and a day or two past, the Sun casts a dramatic shadow across the Mare Imbrium and a selection of prominent craters, mountains, and an unmistakable lunar valley. Even a tiny telescope will help you see these features as shown in the image above [Read more…] about Lunar Tour – Plato and Region

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Filed Under: Solar System

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