401–420 of 445 results

Explore the Night with Bob King

Rosetta's Comet Campaign Wants YOU!

Participate in a world-wide campaign to observe and photograph Comet 67P/C-G as it approaches and recedes from the Sun with Rosetta in tow. Your observations matter.

Explore the Night with Bob King

Catch the Last Best Antics of Jupiter's Moons

Jupiter's four brightest moons continue to eclipse and occult one another, but time is running out. Only a few easy-to-see events remain between now and the end of the mutual events season.

Celestial News & Events

We're All In This Together: Lunar Totality

There's much to take in during Saturday morning's total lunar eclipse, including a rare Moon-galaxy pairing, the splendid summer Milky Way, and a chance to see your shadow reach all the way to the Moon.

Explore the Night with Bob King

Mizar — A Fresh Look at an Old Friend

You might be tempted to pass up this familiar star for more exotic quarry, but take another look at a multiple star with a most interesting history.

Deep Sky

One Small Order of Ring Galaxies, Please

"One Ring to rule them all." Join me as we explore a unique class of galaxies forged in the chaos of collision.

Explore the Night with Bob King

Catch Comet Lovejoy in Cassiopeia

Still bright and easier than ever to find, Comet Lovejoy continues to delight skywatchers. Watch as it cuts through Cassiopeia this week. Comet Lovejoy, now a long-time visitor to our night sky, lies poised at the limit of naked eye visibility. Hovering around magnitude 5.8, the comet looks like a faint star…

Explore the Night with Bob King

How to Catch a Ghost ... Comet That Is

How Comet D1 SOHO survived a near-death experience long enough to haunt the evening sky — with maps to help you find it before it vanishes into the night.

Explore the Night with Bob King

Crazy About Concentric Craters

With the Moon riding high this week, what better time to look for its three best-known yet enigmatic "ring" craters? We welcome back the waxing Moon this week. It's a chance for many of us to put dark-sky targets on the back burner and give some love to she who lights the night.…

Sketching makes the eye grow sharper

Astronomy and Stargazing Projects

Pleasures of Keeping an Astro Journal

Keeping a record of what you see in the telescope is not only fun but helps grow your observing skills. Learn how to start a journal and see how other amateurs keep theirs.  Do you write down what you saw after a session at the telescope? I've been doing it since…

Explore the Night with Bob King

Is There Such a Thing as a Random Meteor?

Meteor showers like the Perseids get all the press. But have you ever wondered where all the random meteors come from? We explore their origins.  We've all seen them. The sporadics. Those random meteors that flash across the sky on any old clear night. If you were to make a…

Touch of dusty lingering dusk

Explore the Night with Bob King

How to See and Shoot the Zodiacal Light

The ethereal zodiacal light returns to view this month. Learn how to see and photograph it with your digital camera.

Celestial News & Events

Bright Comet Prospects for 2015

Has Comet Q2 Lovejoy stoked you to see more of these celestial travelers? We look into the crystal ball to see what's coming in 2015.

Explore the Night with Bob King

Rare Triple Shadow Transit Not to Miss!

Get your scope ready for a rare event this Friday night when one after another three of Jupiter's brightest moons and their shadows parade across its face.

Celestial News & Events

Are You Game for a Dawn Conjunction?

Will you brave the cold Friday morning to witness the conjunction of Saturn and the waning Moon?

The center of the stellar merry-go-round

Explore the Night with Bob King

A Visit to the Sky's North Pole

Unlike the terrestrial North Pole, the heavenly version is easily accessible any clear night of the year. We explore curiosities within one degree of the celestial north pole and take a journey back in time.  What could be more appropriate in January than a jaunt to the north celestial pole? When the polar vortex…

J-F Millet, Sheepfold

Explore the Night with Bob King

What Makes Moonlight Special?

Romantic, mysterious, soothing, and radiant, moonlight has its own special qualities. We explore how we perceive the night under a bright Moon. A moonlit stroll is starkly different from a walk in the sunshine. Moonlight's dark, spooky quality contrasts with the clarity of sunlight. And while it may not grow hair…

Explore the Night with Bob King

Have a Sirius-ly Scintillating Holiday!

Find out what makes Sirius twinkle.

Simple anatomy of a nebula

Explore the Night with Bob King

How to See the Orion Nebula in 3D

Add another dimension of viewing to winter's favorite deep sky object, the Great Nebula of Orion. The Orion Nebula is arguably the centerpiece of the winter sky. This bright, richly-detailed blossom of glowing gas and dust invites repeated observation. How many of us have pointed our telescope or binoculars in its direction five,…

Meek beginnings for the brightest planet

Explore the Night with Bob King

Venus Finally Comes Out of Hiding

Welcome back, Venus! Brightest planet in the sky returns just in time for the holidays. "There are so many stars shining in the sky, so many beautiful things winking at you, but when Venus comes out, all the others are waned ... Mehmet Murat ildan from the play Galileo Galilei (2001) I miss Venus.…

Carbon stars' color make them visual magnets

Explore the Night with Bob King

Carbon Stars Will Make You See Red

Treasure hunting for carbon stars, the rubies of the night sky. Color can be tough to come by in the deep sky, especially if you own a small telescope. Planets serve up a medley of subtle hues, as do a few planetary and bright nebulae. Stars show tints of blue, yellow, and orange, but there's nothing…