21–40 of 61 results

Uncategorized

Annular Eclipse of the Sun, May 20-21, 2012:
More resources

As promised in the May 2012 Sky & Telescope, page 50, here is detailed further information on observing the annular/partial eclipse of the Sun that will cross eastern Asia and parts of North America on May 20th (local date in North America) and 21st (in Asia). More detailed world map…

Uncategorized

Detecting Earth

Joseph LazioFor five decades astronomers have used some of the world’s largest radio telescopes to search for signals from other civilizations. So far, our best equipment has not picked up any confirmed signals from extraterrestrials. In his cover story for the January 2012 issue of Sky & Telescope, radio astronomer…

Uncategorized

SkyWatch 2012: The Sun

The Sun is incredibly dynamic — something that's difficult to convey properly in the pages of a book or magazine. If you watch a major solar flare through a telescope, it will often change from one minute to the next. Time-lapse movies compress the time scale, allowing you to see…

Uncategorized

SkyWatch 2012: Asteroids

Vesta, the 2nd-largest main-belt asteroid.NASA / JPL-Caltech / UCLA / MPS / DLR / IDAMany asteroids have been visited by spacecraft since the Galileo probe flew by Gaspra in 1991 en route to Jupiter. These spacecraft encounters have yielded a treasure trove of detailed images and data. To study an…

Uncategorized

Galaxy Zoo: A CItizen-Science Project: Links

Kevin Schawinski the co-founder of galaxy zoo discusses the project and the future of citizen-science projects

Uncategorized

Super-Luminous Supernovae

Listen to a podcast interview with Bob Parks, exceutive director of the International Dark-Sky Association.

Uncategorized

Interactive Sky Chart Restored

The Interactive Sky Chart is now working again after a 2-month hiatus.

Uncategorized

Rocks From Heaven

This video compiles footage from five cameras that were part of the Southern Ontario Meteor Network. Each clip shows the bright streak of light that illuminated the skies on September 25, 2009 from a different angle.

Uncategorized

Astronomy in Motion

Welcome to Astronomy in Motion, videos, time-lapse movies, and animations showing astronomical subjects as they change and move across the sky. Skyscapes An Amazing Aurora Video by Ole Salomonsen. A Milky Way Masterpiece by South Dakota farmer Randy Halvorson. The Solar System The Grimsby Fireball imaged by the Southern Ontario…

Uncategorized

NEAF 2011 Videos Are Here!

Check out our videos from the 20th annual Northeast Astronomy Forum, one of the world's largest telescope shows.

Uncategorized

Great Red Spot Transit Table 2011-2012

Transit times for Jupiter's Great Red Spot are listed through March 2012.

Uncategorized

The Great Telescope Race

Author Trudy BellRoxana Bell During the 1800s, the United States experienced a veritable explosion in telescope construction, going from an astronomical backwater to the undisputed world leader in less than a century. How and why did this remarkable transformation take place? Award-winning science journalist, author, and astronomy historian Trudy Bell…

Uncategorized

Eclipsing Binaries of Summer

The June 2011 issue of Sky & Telescope discusses the two bright, easy eclipsing binary stars that are visible from the Northern Hemisphere from May through July or later: Beta Lyrae and Delta Librae. Both of these are readily visible to the unaided eye in reasonably dark skies, and both…

Uncategorized

John Johnson on Exoplanet Host Stars

Some kinds of stars produce many more planets than others. Listen to Caltech astronomer John Johnson discussion this relationship and its broader implications.

Uncategorized "New Scrutiny of the Sun's Secrets""}'>

Beyond the Printed Page:
"New Scrutiny of the Sun's Secrets"

Links for article that appeared in Sky & Telescope, February 2011

Uncategorized

The Planets, by Gustav Holst

Gustav HolstHolst Birthplace Museum / Cheltenham Art Gallery & MuseumThe Planets, by Gustav Holst, is probably the most famous astronomy-themed piece of classical music. In the January 2011 issue of Sky & Telescope, James Reid, an expert in music and astronomy, writes about the origin, significance, and structure of this…

Uncategorized

Robert Stephens Talks about Amateur Asteroid Research

Robert StephensOver the years, amateur astronomers have discovered tens of thousands of asteroids. But in recent years, amateur involvement in asteroid studies has shifted gears. Robert Stephens, an amateur astronomer based near Los Angeles, exemplifies this new era of research. Instead of actively searching for new asteroids, Bob makes brightness…

Uncategorized

Alan Stern Talks about Pluto

Alan Stern, principal investigator of the New Horizons mission, which is now more than halfway to Pluto, explains how the spacecraft will explore parts of the solar system that are now shrouded in mystery.

Uncategorized

See Pluto in 2010

In 2010, Pluto passes in front of one of the densest star clouds in the sky, and also in front of a dark nebula that obscures almost all the background stars.

Uncategorized

The 51st Comet McNaught

Comet C/2009 R1 (McNaught) promises to be visible in small telescopes and possibly binoculars in June 2010.