1–20 of 39 results
Galilaei crater May 20, 2024

Explore the Night with Bob King

Why Did Galileo Get Such a Puny Crater?

Galileo was one of the first people to study the Moon through a telescope. You'd think he'd get more than 10-mile-wide crater for his efforts. But of course, there's more to the story.

Lunarisms locator

Explore the Night with Bob King

Pleasures of Lunar Pareidolia

Do you still see animal shapes in clouds? If so, you'll enjoy doing the same with the Moon, home to the Moon Maiden, a giant pair of scissors, and other fantastic specters of light and shadow.

Moonrise

Explore the Night with Bob King

Observing the Full Moon: Fringe Benefits

The upcoming Hunter's Moon reminds us of the many ways we can enjoy observing our humble satellite.

Mare Orientale gravity map

Solar System

Set Your Sights on This Lunar Bull’s-Eye

Go ahead, live on the edge: Grab your chance this month to see Mare Orientale, one of the most spectacular lunar seas most people have never seen.

full Moon

Celestial Objects to Observe

7 Easy Things to See on the “Supermoon”

Seven easy and rewarding targets to explore when the Moon is full.

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.

Night Sky Sights

Catch the Full Moon High in the Sky for Telescope Treats

A nearly full Moon offers plenty to see and ponder.

Explore the Night with Bob King

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.

Armstrong, Aldrin & Collins

Moon

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.

Tycho Crater, Image by Frank Barrett

Moon

Full Moon Is Tycho Time

With this week's full Moon, the dazzling crater Tycho will be in full regalia. Time to catch some rays!

Moon

Find the Phase of the Moon

Learn the phase of the Moon tonight, the day you were born, or on any historical date.

Explore the Night with Bob King

Bah, Humboldt! Visiting a Fringe Crater

Meet Humboldt, a magnificent lunar crater compromised by its life on the edge.

Explore the Night with Bob King

Explore Craters in the Lunar Arctic

Put on a coat, set up your scope, and become a polar explorer as we visit off-the-beaten-path craters and maria in the Moon's arctic vastness.

Perigee and apogee moons

Celestial Objects to Observe

What is a Supermoon? Facts vs. Fiction

The perpetuation of the supermoon myth is mostly motivated by desire for publicity. But much of what we call the supermoon is just our eyes playing tricks on us.

Lava Bumps Near Copernicus

Celestial Objects to Observe

A Little Guide to Lunar Domes

With this week's waxing Moon, we set off to explore its volcanic past with a look at a dozen intriguing lunar domes.

Phases of the Moon

Moon

What are the Phases of the Moon?

The phases of the Moon are determined by the relative positions of the Moon, Earth, and Sun.

Mystery Dark Spot?

Explore the Night with Bob King

Are You Game for April's Lunar Observing Challenge?

With astronomy being celebrated around the globe this month, join the fun by participating in a unique lunar observing challenge: track down 20 features once thought to show evidence of change from weather, geology, and even life.

Smartphone holder for Moon imaging

Astrophotography: Tips & Techniques

Expert Tips for Basic Lunar Imaging

It's easy to take high-quality images of the lunar disk.

Old rock sprinkled atop new

Moon

Rayed Craters on the Moon

Like "catching some rays"? Explore the beauty and dazzle of crater rays, the tracks left by powerful impacts in the not-so-distant past.

Moon

How to See All Six Apollo Moon Landing Sites

Walk in the astronauts' footsteps as you explore the places they visited in the heyday of Apollo program. Use these helpful maps to start you on your way.