guide to tides

Beachgoer’s Guide to Tides

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A Beachgoer’s Guide to Tides Skim this to know more about tidal effects than most fishermen Some ancient myth-makers held that the earth’s pulse or breathing caused the tides. The Greeks began to notice the moon’s influence when they began venturing out of the relatively tideless Mediterranean. Our modern understanding of tides is based on […]

Moonlight sonata

Moonlight Sonata

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Moonlight Sonata Mountains on the Moon The man in the moon is actually a series of frozen lava fields. The moon is Earth’s only natural satellite and was probably created in the same cosmic event that created the Earth. It is only 238,860 miles away, making it an object of endless human fascination – and […]

star gazer's guide

Star Gazer’s Guide

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Star Gazer’s Guide Stars and Constellations The Explosion that created the Universe gave birth to trillions of stars, but only 5,000 are visible to the naked eye. Since only half the sky can be seen at any one time, that means only 2,500 stars will be in your field of vision on the next clear […]

first telescope

First Telescope

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Buying Your First Scope A telescope need not have high magnifying power or be expensive to allow you to see every planet in the solar system. It is the size of the lens aperture and the instrument’s portability that count. John Shibley, an editor at Astronomy magazine and author that publication’s annual telescope buyer’s guide, […]

multitude of wonders

Multitude of Wonders

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A Multitude of Wonders Every civilization has scanned the heavens for clues to the Creation The next time you peer at the night sky and spot the North Star or the Big Dipper, think of the ancient Babylonians, Egyptians, and Mayans doing the same thing. Written records of astronomical findings and theories go back the […]

Why Are There Leap Years?

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Why Are There Leap Years? We have a pope to thank for straightening out the glitch Our calendar year has 365 days, but the earth actually takes 365 days, 5 hours, 48 minutes and 46 seconds to travel around the sun. With an extra quarter-day each year, in 120 years the calendar would be ahead […]

Three Days at Taurus-Littrow

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Three Days at Taurus-Littrow When, if all goes well, Apollo 17’s lunar module Challenger makes the final approach for a landing on the Moon, it will let down toward a dramatic landscape: a wide alley guarded by three massive, well-rounded mountains that tower as high as 7, 000 feet. “Once we are there, insists Apollo […]


Surveyor atterrit sur la Lune

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Surveyor atterrit sur la Lune L’engin s’est posé en douceur après 63 heures de vol Pasadena – À leur première tentative, les États-Unis ont réussi, la nuit dernière à faire atterrir en douceur sur la Lune la sonde spatiale Surveyor. L’engin s’est posé sur la Lune le 2 juin 1966, à 2h 17 du matin). […]

Salman Bin Abdelaziz Al-Saud

Premier astronaute arabe

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Prince saoudien est devenu le premier astronaute arabe Prince en orbite ! Le prince saoudien Sultan Salman Bin Abdelaziz Al-Saud, neveu du roi Fahd, d’Arabie Saoudite a été envoyé dans le cosmos avec Daniel Brandenstein à la tête de l’équipage. Un prince saoudien, un pilote d’essai français et cinq astronautes américains de la NASA ont […]

personal astrology

Personal Astrology

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Personal Astrology Personal astrology is with us still: consider two different newspaper astrology columns published in the same city on the same day. For example, we can examine the New York Post and the New York Daily News on September 21, 1979. Suppose you are a Libra – that is, born between September 23 and […]

old ads

Old Ads

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Old Ads Our history 103a Films 103a films can be obtained in 36-exposure, 135 cassettes for about S7 from Optica b/c Company. These films deteriorate unless refrigerated until needed, so “thaw” the film for about four hours before use. Kodak D-19 developer is recommended by Kodak for 103 emulsions. (Not all camera stores carry D-19, […]

mackerel clouds

The Meaning of Mackerel Clouds

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The Meaning of Mackerel Clouds The science behind the farmer’s and sailor’s maxims Weather folklore has been passed down through the ages by mariners and farmers who relied on their own observations of astronomical events, animal behaviors, and atmospheric changes to predict upcoming weather events. Today, while the average person’s ability to observe the natural […]

meade telescopes

Meade Research Quality Telescopes

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Meade Research Quality Telescopes, Parts and Accessories 2” O.D. Eyepieces. Superb wide-angle eyepieces for 2” focusers. Fully coated, premium quality optics for the ultimate in rich-field performance. Erfle 32 mm – highly corrected 5 element optical system, with wide, flat 65” field. Keller 60mm – Low power, log eye relief, ideal for deep-space observations. Kellner […]

souris à bord

Fusée avec une souris

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Fusée lancée de Floride avec une souris à bord Cap Canaveral, Floride – Un avant-coureur incandescent de la roquette que l’Aviation veut envoyer à la Lune a été lancée. Hier soir, 9 juillet 1958, entraînant une souris dans l’espace. (À midi, aucune dépêche n’avait encore signalé la découvert de l’ogive contenant la souris Mia II […]

Comète Halley photographiée

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Comète Halley photographiée Premières photos de la comète Halley Comète Halley a été photographiée par la sonde spatiale soviétique Vega – 1 Les scientifiques rassemblés à l’Institut de recherché spatiale de Moscou ont été émerveillés par les photos de la comète de Halley transmises par la sonde soviétique Vega-1.

Conflict of Civilizations

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Conflict of Civilizations If there are millions of civilizations distributed more or less randomly through the Galaxy, the distance to the nearest is about two hundred light-years. Even at the speed of light it would take two centuries for a radio message to get from there to here. If we had initiated the dialogue, it […]

Space Rescue and Safety

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Space Rescue and Safety Edited by Philip H. Bolger. 272 pages, hardcover, $20.00. American Astronautical Society (1975) Potential space rescuers have been forced to watch helplessly as space crews perished or limped home from beyond the reach of direct Earth aid. A recent congress of the International Astronautical Federation was the setting for a special […]

A Space Odyssey to Mars in 1986

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A Space Odyssey to Mars in 1986 As seen in 1972 It is April 1986, one year since the giant spacecraft blasted out of the orbit around Earth and headed into deep space, propelled by powerful nuclear engines. The Earth is now so far away that it looks no bigger than a bright star. On […]

Rebirth of Manned Space Programm

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Rebirth of Americas’s Manned Space Programm The Beginning of a New Era The rebirth of America’s manned space program happened in March, 1981. The space shuttle Columbia, carrying astronauts John Young and Robert Crippen, began its maiden voyage on April 12, 1981, twenty years to the day after Soviet cosmonaut Yuri Gagarin became the first […]

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