41–60 of 343 results
Comet PanSTARRS blooms

Celestial Objects to Observe

Comets to Catch in 2020

Here's the lowdown on which comets will brighten our skies in 2020.

Explore the Night with Bob King

High Hopes for the 2020 Quadrantid Meteor Shower

The annual Quadrantid meteor shower is expected to put on a great early morning show this weekend.

Betelgeuse in Orion

Explore the Night with Bob King

Betelgeuse is Dimming . . . Why?

The bright star Betelgeuse has faded to a historic low as astronomers try to figure out why.

The Great Square of Pegasus

Deep Sky

Deep-sky Dive Into the Great Square of Pegasus

We return to Pegasus, but this time with a telescope to find a grab-bag of overlooked deep-sky treasures.

Geminids Dec 13_2018 Bob King 480x274

Celestial News & Events

Geminids and the Moon Duke it Out

Don't let light from the gibbous Moon discourage you from enjoying the annual Geminid meteor show on the peak night, December 13-14.

The Great Square of Pegasus

Explore the Night with Bob King

Counting Stars in the Great Square

Test the limits of your vision — and the darkness of your sky — by taking a plunge into the Great Square of Pegasus.

Explore the Night with Bob King

Meteor Shower Was a Dud, But Showing Up Was Half the Fun

The Alpha Monocerotids happened as predicted, even if not quite as we expected.

Alpha Monocerotid Radiants

Explore the Night with Bob King

Intense Meteor Storm Expected from the Alpha Monocerotids

Circle the date November 21st on your calendar, when a brief but potentially spectacular meteor storm might light up the night.

Celestial News & Events

Don't Miss Monday's Rare Transit of Mercury

On Monday, November 11th, Mercury will pass directly in front of the Sun and look a tiny black dot silhouetted against the brilliant solar disk. The event, called a transit, occurs approximately 13 times a century.

Incoming point

Celestial News & Events

"Potentially Hazardous" Asteroid Is Headed For Your Telescope

A potentially hazardous asteroid makes a flyby of Earth this Friday, offering amateurs with modest telescopes a chance to ride along.

Moon

Crack Your Crescent Moon Record

Calling all crescent lovers! Here's a chance to set a new personal record by seeing one of the oldest moons ever.

Comet Africano in full glory

Explore the Night with Bob King

Autumn Comets, Mira's Eye & The Orionid Meteor Shower

Four comets, a famous variable star, and sprinkles of dust from Halley's Comet are highlights of the October sky.

Celestial Objects to Observe

Treasure Hunting in the Hall of the Deep-Sky King

Cepheus, the King, has hidden his treasure well but not so much that curious amateurs can't find more than enough to stuff their pockets.

Interstellar Comet Borisov

Explore the Night with Bob King

Will Amateurs Be Able to See the New Interstellar Comet?

Only the second object thus far to visit the solar system from interstellar space, Comet Borisov is expected to reach perihelion in December. What can we see now?

Celestial News & Events

Another Interstellar Visitor Is Headed Our Way

An amateur astronomer has discovered a comet that might be the second interstellar visitor after 'Oumuamua — and it's heading for its closest approach to the Sun late this year.

Explore the Night with Bob King

Observe Neptune as it Comes to Opposition

Neptune, currently the Solar System's outermost planet, reached opposition on September 10th at magnitude 7.8 in Aquarius.

Crowning glory

Daylight Phenomena

Volcanoes Turn Twilights Purple

A rash of unusually colorful sunsets follows in the wake of two major volcanic eruptions. 

Trojan asteroids

Asteroids

Be a Warrior — Tackle a Trojan Asteroid

You've seen Jupiter and its four brightest moons. Now meet the rest of the family — the Trojan asteroids.

Deep Sky

Get to Know the Ghostly Galaxies of Sagittarius

We often think of Sagittarius as home to one galaxy only — the Milky Way. But two members of the Local Group and a smattering of fainter galaxies reside here, too.

Explore the Night with Bob King

Good Morning, Orion!

An August jaunt at dawn reacquaints us with the constellation Orion, the harbinger of winter.

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