121–140 of 171 results
Antares, imaged

Celestial Objects to Observe

Meet Antares: The Star That Is Not Mars

Antares is a red supergiant that — like Betelgeuse — will one day go supernova.

Sky Tour Astronomy Podcast

August 2020: Planets & Perseids

The Perseids are upon us — and as you're looking out for shooting stars, look for Jupiter and Saturn low in the southeast as soon as night begins to fall.

Moon-Jupiter-Saturn in July 2020

Sky Tour Astronomy Podcast

July 2020: Welcome Jupiter & Saturn

July's 11-minute Sky Tour astronomy podcast describes what to see in the summer sky in a casual, engaging way that your whole family can enjoy.

Ring Nebula

Deep Sky

Evenings with the Ring Nebula

Everyone loves this cosmic donut. Like Saturn, the Ring Nebula is a must-see for beginners and seasoned amateurs alike. Whether you're just cutting your deep-sky teeth or attempting to see its central star — one of visual astronomy's Holy Grails — the Ring has it all.

Moon near Jupiter and Saturn on June 8-9, 2020

Sky Tour Astronomy Podcast

June 2020: Stars of Early Summer

Our 10-minute Sky Tour astronomy podcast guides you to planets, stars, and constellations in the early-summer sky in a casual, engaging way that your whole family can enjoy.

Night Sky Sights

Globular Clusters Await: Hello, Messier 3!

Globular cluster season is here. Time to get out your charts, binoculars, and telescopes and enjoy these wondrous objects.

Whirlpool Galaxy

Explore the Night with Bob King

See Spring's Finest Spiral Galaxies

Spring skies offer some of the best sights of spiral galaxies. Point your scope at some of these magnificent cosmic whirlpools.

Celestial Objects to Observe

See the Phases of Venus

If you have a set of binoculars or a telescope, watch for Venus’s thinning crescent over the next couple weeks.

All-season Triangle

Night Sky Sights

This May, Find the Star Pattern That Spans All Seasons

Widen your view to see the All-Season Triangle asterism, whose stars span the year.

Night Sky Sights

Comet SWAN Expected to Put on a Splendid Show

Comet SWAN will grace northern skies in the days to come.

Labeled Big Dipper

Night Sky Sights

The Big Dipper: Hop to Spring's Sky Sights

The Big Dipper is one of the most familiar sights in the Northern Hemisphere’s night skies. You can use its stars to locate other fun targets.

Venus & Mercury on May 21 2020

Sky Tour Astronomy Podcast

May 2020: Venus & Mercury at Dusk

Would you like to learn your way around the night sky in just 10 minutes? This month's Sky Tour astronomy podcast helps you to navigate all across the late-spring sky like a stargazing veteran. No experience or equipment needed!

Occultations

Chase a Potentially Hazardous Asteroid As It Flies by Earth

Break out your binoculars or a small telescope, we've got a busy week ahead! Watch as a bright asteroid approaches Earth, the Moon steals a star, and Comet ATLAS's last hurrah.

Big Dipper, stars labeled

Meet the Stars

Meet Dubhe, Giant of the Big Dipper

Of the seven stars in the Big Dipper, Dubhe is an outlier. Its color, speed across the sky, and evolutionary age set it apart from its comrades.

Bob King blog post

Explore the Night with Bob King

Shadow-casting with Venus

Venus has a been powerful presence at dusk for months — bright enough to cast shadows. How would you like to put it to the test? The Moon won't spoil the darkness until at least April 24th — April 25th if you wait till after moonset — making it the perfect time to see your own shadow by the light of another celestial body.

Night Sky Sights

A Farewell to Orion

As winter transitions into spring, the mighty hunter is gradually slipping into evening twilight as new constellations rise in the east.

Sky Tour podcast: Moon and planets at dawn April 2020

Sky Tour Astronomy Podcast

April 2020: Planets Aplenty

This month's Sky Tour astronomy podcast highlights how Venus flirts with the Pleiades star cluster after sunset, then leads you to views of Jupiter, Saturn, and Mars together in the predawn sky.

Canis Major

Night Sky Sights

A Bino Tour of the Big Dog

For observers looking for a quick outing with binoculars, Canis Major offers a set of lovely attractions that includes a trio of open clusters.

Deep Sky

Easy-to-find Deep-sky Objects for Cold Nights

Cold weather keeping you inside at night? Limit your time outdoors and make the most of your telescope time with these easy-to-find deep-sky gems.

Gibbous Moon

Celestial Objects to Observe

Diving Into the Moon's Bay of Rainbows

This curious lunar feature — visible the nights of March 4th and April 2nd — is a delight in small scopes or even binoculars.