361–380 of 459 results

Explore the Night with Bob King

Get Your Iridium Fix Before It's Too Late!

The shock and dazzle of Iridium flares will soon be a thing of the past. Here's how to make the most of seeing them before they're replaced by a new generation of satellites.

Near and Far Planets Draw Close

Observing

See Mercury First, Then Have Breakfast

Late sunrises make it easy to follow the parade of planets at dawn, including a nice apparition of Mercury this week with three successive lunar conjunctions.

Finder Chart Comet 45P/

Observing

Bright Prospects for Comets in 2017

Comet lovers have much to look forward to in the new year with six potential bright binocular comets and at least two others for modest backyard telescopes.

New Year's Revelers Passing in the Night

Explore the Night with Bob King

Mars Meets Neptune on New Year's Eve

Doing anything on New Year's Eve? Before you start toasting, don't miss an exceptionally close conjunction of Mars and Neptune.

Low Sun, Long Shadows and Icy Atmospherics

Explore the Night with Bob King

Swing Low, Sweet Sun: It's Solstice Time

Daylight ebbs to a minimum on Wednesday's winter solstice, but not for long. The very next day, the Sun turns back north and the cycle of light begins again.

Beguiling Hues

Observing

Colored Double Stars, Real and Imagined

Colorful lights twinkle everywhere during the holiday season, including up above in some remarkably tinted double stars. Find out what makes them so alluring.

Observing

Supermoon and Geminids Duke it Out

In a spectacular case of bad timing, the full Moon coincides with the annual Geminid meteor shower. Don't feel put out. There's still something for everyone, including a consolation prize.

Comet Triple Crown

Observing

Comet Campaign Seeks Imagers Worldwide

Calling all imagers! Three comets will make close flybys of Earth over the next two years. Join a new pro-am effort to make the most of this rare triple play.

Brothers in Blue

Explore the Night with Bob King

Uranus: In Seventh Heaven with Planet Seven

With our eyes often glued to the bright classical planets, Uranus is easy to overlook. Now well-placed for viewing at a convenient hour, why not pay this pale blue dot a visit the next clear night?

Northern Lights

Celestial News & Events

More Auroras Coming to Northern Skies

Keep your eye on the northern sky. Auroras are in the forecast for the next couple nights courtesy of a "hole" in the Sun's corona.

Needles in a Starry Sky

Observing

Halley On Fire! Orionids Peak This Week

The annual Orionid meteor shower is active all week, peaking Friday morning October 21st. If you're up before dawn, you might just see these Halley's Comet castoffs come to life.

Sharpen Your Skills on Sharpless 2-132

Observing

Plant Your Eyes In Delta Cephei's Fertile Triangle

The famous variable star Delta Cephei unlocks a box deep-sky treasures in a little-visited corner of Cepheus, the King.

Explore the Night with Bob King

Resolving Andromeda — How to See Stars 2.5 Million Light-Years Away

At 2.5 million light-years away, you might think it's impossible to see individual stars in the Andromeda Galaxy. Let its largest star cloud, NGC 206, show you the way.

Feather of Dusty Light

Explore the Night with Bob King

Mercury Punctuates The False Dawn

Early risers get a triple treat this week and next: a ravishing dawn Moon, an excellent apparition of Mercury, and a hint of Halloween in the ghostly zodiacal light.

Stellar Beauties

Double Stars

Will the Real Albireo Please Stand Up?

A stunning double star, Albireo is also a bit of an enigma. Is it a true binary or the result of a chance alignment?

Mystery Object? No, Just Sirius

Observing

Why Are There So Many UFOs?

In an age when UFO sightings are rife, we look at other possibilities that may help to explain the strange apparitions many see.

Three in a Row Show

Explore the Night with Bob King

Enjoy Orion in Shirtsleeves

Throw open the door and welcome back Orion at dawn. The Hunter's return brings relief from the heat and gives us a fresh shot at exploring untouched winter deep-sky objects in comfort.

New Planetary Nebula in the Making

Deep Sky

Polarized Light: From Blue Sky to Egg Nebula

Bees see polarized light and use it to navigate to honey. Learn how you can use it to crack the Egg Nebula.

Cast of Sparkling Characters

Observing

Palling Around With Palomar Globular Clusters

The intriguing Palomar globular clusters will challenge observers with modest to large telescopes, while providing a satisfying ramble around the galactic halo.

Bright Star An Ancient Link

Explore the Night with Bob King

A Real Scorcher! — Sirius At Heliacal Rising

Make a connection to a time when stars were used to track seasons and predict natural events by watching the heliacal rising of Sirius.

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