101–120 of 203 results
March 10th in bright twilight.

Beyond the Printed Page

Updates on Comet PanSTARRS

Comet PanSTARRS is fading, but (as of late April now) it's moving high in the north approaching Polaris. So, at last, it's visible in a dark sky all night.

Einstein's Telescope

Beyond the Printed Page

Einstein's Telescope: A Gallery

All photos courtesy of Eden Orion. Eden Orion Eden Orion Eden Orion Eden Orion Eden Orion Eden Orion Eden Orion Eden Orion Eden Orion

Beyond the Printed Page

The asteroid occultation of July 29, 2013

As told in the July 2013 Sky & Telescope, on the morning of July 29th a 9.1-magnitude orange star in Aries will vanish for up to 3 seconds behind the invisibly faint asteroid 1074 Beljawskya, as seen from a narrow track running from west Texas through southern Missouri, Ohio, southeasternmost…

Beyond the Printed Page

The asteroid occultation of June 11-12, 2013

As told in the June 2013 Sky & Telescope, on the morning of June 12th a 6.4-magnitude star in southern Ophiuchus east of Antares will wink out for up to 4 seconds along a track from Oklahoma across northwest Texas, southern New Mexico, and southern Arizona, when it is occulted…

Jackson's attack in Chancellorsville

Beyond the Printed Page

The Battle of Chancellorsville

In a feature article of the May 2013 issue of Sky & Telescope, author Don Olson highlights the role of the Moon in Stonewall Jackson's fatal wounding. Below, we feature a gallery of images that couldn't fit in the magazine. This circa-1890 painting shows Stonewall Jackson at the Battle of…

Meteor trail over Chelyabinsk

Beyond the Printed Page

Roundup for Russian Meteor

The meteoroid that exploded over Chelyabinsk, Russia, on February 15, 2013, left the world reeling. In this article you can find information and links to all our coverage of the event.

Beyond the Printed Page

Cassini's Take on Saturn's Rings

Images by NASA's Cassini spacecraft reveal the wondrous Saturn system in fantastic detail, providing fodder for detailed simulations of what's afoot in the rings.

Arsia volcanoes

Beyond the Printed Page

Caves on the Moon and Mars

As Robert Zimmerman’s cover story of the April 2013 issue explains, Earth is not the only world in the inner solar system with caves. The same volcanic processes that created some of Earth’s caves also occurred on the Moon and Mars. Using imagery from a variety of orbiters, geologists have…

Asteroid 433 Eros

Beyond the Printed Page

How to Get involved in Amateur Research

Backyard astronomers will continue to be essential to the research community — here are some ways you can participate.

Titan steals the show

Beyond the Printed Page

Lifting Titan's Veil

Fall with the Huygens probe through Titan's atmosphere and see extra images connected with our March 2013 article on Titan's weather.

Beyond the Printed Page

Sky & Telescope Errata: 2013

This article lists all known errors in issues of Sky & Telescope for 2013.

dark matter detector

Beyond the Printed Page

Detecting Dark Matter

Dark matter was discovered 80 years ago when astronomer Fritz Zwicky spied a galaxy cluster whirling so fast, the galaxies were bound to fly apart unless something — something less luminous than ordinary stars or gas — held them together. Decades later, the scientific community concedes the existence of dark…

Triple asteroid

Beyond the Printed Page

Asteroid Moons

In the past decade, new observations have shown that asteroids are no longer the solitary, dense, potato-shaped rocks we thought them to be, orbiting the Sun unchanged eon after eon. The December issue of S&T describes the latest research that paints a different picture. Asteroids, it turns out, are porous…

Start time of Australian total solar eclipse

Beyond the Printed Page

Mapping Eclipses

In the November issue of Sky & Telescope, Michael Zeiler writes about the history of eclipse maps. Even as long ago as 1715, astronomer Edmond Halley was able to calculate an eclipse map that was accurate to within 3 km. Now Michael Zeiler's eclipse maps have unprecedented accuracy, and the…

Milky Way and Magellanic Clouds

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Making the Magellanic Clouds

Milky Way and its two dwarf neighbors, the Small and Large Magellanic Clouds, shine in a dark night sky. The brief interloper Comet Lovejoy graces the image on its way out of the solar system.S&T Photo Gallery: Luis Argerich Our Milky Way Galaxy has more than a dozen known satellite…

Transit of Venus

Beyond the Printed Page

Shooting the Transit of Venus

The cover story of S&T's October issue follows the scientists who observed the historic transit of Venus and their efforts to leave a complete record for future observers of Venus's next transit in 2117. Author Jay Pasachoff led a team that traveled to the Haleakala summit in Hawaii to capture…

Beyond the Printed Page

Vesta Close-Ups

These images from NASA's Dawn spacecraft detail the surface of Vesta, the second-largest asteroid in our solar system and a subject of discussion in the September issue of Sky & Telescope. And if you scroll all the way down, you're in for a treat! For more information, visit NASA's homepage…

Rod Mollise

Beyond the Printed Page

The Herschel Project

“Uncle Rod” chats with S&T editor in chief Robert Naeye about how he conducted the Herschel Project and whether it’s possible for experienced amateurs to “run out” of deep-sky objects to observe.

dust devils on Mars

Beyond the Printed Page

Planet Storms Alive and Kickin'

Watch and listen to storms across the solar system as part of our Beyond the Printed Page content for the September 2012 issue.

Beyond the Printed Page

Four occultations in September 2012

Four unusual occultations were described in the September 2012 issue of Sky & Telescope, page 51. Here are links to the promised maps and further information: • The naked-eye star Alpha2 Librae, magnitude 2.7, will be occulted for up to 2.6 seconds by the faint asteroid 363 Padua on September…