41–60 of 207 results
2016 Perseids

Celestial News & Events

Get Ready for a Great Perseid Meteor Shower

The Perseids are here! With no Moon to spoil the show it's time to break out the lawn chairs, sit back, and watch the comet dust fly.

Moon and Saturn Aug 29-30 2023

Sky Tour Astronomy Podcast

August Podcast: Blue Moon and Perfect Perseids

Many skywatchers look forward to seeing the Perseid meteors every August, and this month’s Sky Tour episode why they’ll be especially good this year. You’ll also learn what's so special about the full Moon that falls on the night of August 30–31.

Nova Persei expansion

Explore the Night with Bob King

Time-lapse Animations Reveal a Universe in Transformation

Deep-sky objects may appear static throughout our lifetime but by carefully "blinking" archival and current images we can discern real changes in their appearance.

Ophiuchus and Scorpius

Sky Tour Astronomy Podcast

July: Scorpion & Serpent Handler

Count on our monthly Sky Tour podcast to help you get the most out your casual stargazing. It’s a fun and informative way to introduce yourself to the nighttime sky!

Captured globulars

Explore the Night with Bob King

See Summer's Best “Gobbled” Globulars

Mergers between the Milky Way and long-ago dwarf galaxies have enriched our skies with dozens of iconic globular clusters. Many are visible in small telescopes.

Moonrise refraction

Moon

Find a Horizon and Savor the Bending of Light

The full Strawberry Moon on June 3rd invites us to experience the refractive power of Earth's atmosphere.

Venus-Mars-Moon in June 2023

Sky Tour Astronomy Podcast

June: Solstice Nights & Summer Sights

June offers the shortest nights of the year for stargazers in the Northern Hemisphere. So count on our monthly Sky Tour podcast to help you get the most out your casual stargazing. It’s a fun and informative way to introduce yourself to the nighttime sky!

Coronal aurora blast

Night Sky Sights

Lie Back, Look Up, and Find Your Zenith Stars

When you want to relax under the stars there's no better way than on your back looking up at the zenith. We explore what's overhead and discover there's more than one zenith up there.

Venus and Mars in late May 2023

Sky Tour Astronomy Podcast

May: Leo is King in Late Spring

This month’s episode takes you on a guided tour of the key stars and planets that you’ll see on May evenings — a fun and informative way to introduce yourself to the nighttime sky!

29-hour-old Moon

Explore the Night with Bob King

See the Young Moon and the Lyrid Meteor Shower

We have an exciting week ahead with a crescent Moon that might break your observing record followed by a well-timed Lyrid meteor shower.

Elnath's position in Taurus constellation

Meet the Stars

Meet Elnath in the Horn of the Bull

Elnath, the bright, blue-white star that marks one of the horns of Taurus, is a peculiar star in its own right.

Mercury & Venus April 2023

Sky Tour Astronomy Podcast

April: Mercury & Venus at Their Best

This month’s episode offers an easy-to-follow guide to finding the solar system’s two innermost planets after sunset. And then it takes you on a guided tour of the rest of the key stars and planets that you’ll see on April evenings — a fun and informative way to introduce yourself to the nighttime sky!

Big Dipper

Explore the Night with Bob King

Tell Time with the Big Dipper; See Ceres Transit a Spiral Galaxy

Phone battery dead? Learn how to tell time with the Big Dipper. Also, don't miss a remarkable transit of Ceres in front of the bright spiral galaxy M100.

Red aurora

Auroras

Aurora Season Is Underway

These are the nights to get ready for the auroras — and tonight may be your lucky night. Not only is the current solar cycle swiftly intensifying, March is one of the best times of the year to see the northern lights.

Winter Hexagon

Sky Tour Astronomy Podcast

March: The Winter Hexagon

As the Northern Hemisphere edges toward the March equinox and beyond, stargazers have an abundance of brilliant stars overhead as darkness falls. Anchoring the celestial parade is Orion, the Hunter. Download or listen to this month’s Sky Tour to learn about — and how to spot — the Winter Hexagon of big, beautiful winter stars.

Orion Nebula with T Ori

Variable Stars

Catch Birth Flickers of Budding Suns in Orion

Three flickering stars in Orion offer insight into what life looks like before the main sequence.

Comet ZTF (C/2022) and Mt. Etna

Comets

Understanding the Tails of Comet ZTF (C/2022 E3)

We explore Comet ZTF's remarkable trio of tails and share the latest news and photos.

Orion and nearby constellations

Sky Tour Astronomy Podcast

February: Winterʼs Dazzling Stars

February 4th marks the midway point between Decemberʼs solstice and the March equinox. Celebrate that celestial milestone by getting outside to gaze in awe at the amazing array of bright stars youʼll find overhead on February evenings.

Comet ZTF E3 dust tail

Comets

See Comet ZTF (C/2022 E3) Dash Between Big and Little Dippers

Forget the hype and go outside to enjoy the real thing — a relatively bright comet you can see in binoculars from a dark sky.

Alpha Persei Cluster (Melotte 20)

Celestial Objects to Observe

Meet Mirfak, the Supergiant of Perseus

Mirfak, the brightest star in the constellation Perseus, is a yellow supergiant star with an uncertain fate.