41–60 of 422 results
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.

Celestial News & Events

International Observe the Moon Night 2019

Observe the first-quarter Moon on October 5 for International Observe the Moon Night. Here's a guide to tell you what to look for.

Variable Stars

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

Celestial News & Events

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?

Crowning glory

Explore the Night with Bob King

Volcanoes Turn Twilights Purple

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

Trojan asteroids

Celestial Objects to Observe

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.

Roadmap to a stellar nursery

Astronomy and Stargazing Projects

Wallow a While in the Lagoon Nebula

We take a dip in one of summer's finest nebulae and explore everything from spooky Bok globules to the tornadic Hourglass Nebula. Don't forget your snorkel, er, telescope! Sometimes a single deep-sky object becomes your whole universe. So it was for me when I took several deep wades in the…

Moon phases in perspective

Celestial News & Events

August Will Have Two New Moons! What’s the Big Deal?

First there were "blue Moons;" now there are "black Moons." What do these terms mean . . . and do they matter?

Multifaceted world

Explore the Night with Bob King

Lonely Pluto Is More than a Speck

With Saturn pointing the way, it's easy to venture into the Kuiper Belt this summer and pay a visit to Pluto.

Armstrong, Aldrin & Collins

Explore the Night with Bob King

Celebrate Apollo 11 with a Visit to Armstrong, Aldrin and Collins Craters

Find the craters named for the three astronauts who flew the first manned mission to land on the Moon.

Planets

A Spoonful of Saturn to Sweeten the Night

Move over Jupiter, it's time for Saturn to shine! At opposition this week, the ringed planet is at its brightest and closest for the year.

29Pgoes pop!

Explore the Night with Bob King

Where Have All the Comets Gone?

It seems like forever since a bright comet has come around. We look at current and future prospects.

Deep Sky

How Low Can You Go? Journey to the Bottom of the Sky

How Low Can You Go? Journey to the Bottom of the Sky

Diamond Ring

Eclipses

Plan for the Next Total Solar Eclipse

Totality is addictive — once you've seen one total solar eclipse, you're hankering for the next one. Some exciting destinations are getting ready for their dances with darkness.

Deep Sky

Welcome Back, Milky Way!

Twilight's end brings the return of the summer Milky Way to the eastern sky. We unravel the anatomy of our home galaxy by teasing out the hidden structures within that glowing band. 

Flakey Red Spot

Planets

Jupiter Is Outstanding at Opposition

Prime-time Jupiter viewing kicks off this month when the planet reaches opposition on June 10th. 

An arm to the sun

Explore the Night with Bob King

SpaceX Launches First Volley of Starlink Satellites

The 60 Starlink satellites parading across the sky make an incredible sight, but some skywatchers wonder at what cost to the night.

Star queen of Serpens

Explore the Night with Bob King

See Bright Nebulae Millions of Light-Years Away

We leave the Milky Way behind and venture out to explore giant star-bursting regions in the galaxies M101 and NGC 2366.

Advertisement
Advertisement
Advertisement
Advertisement