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Venus lines up with Pollux and Castor, June 2, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, May 26 – June 4

Venus starts the week under Pollux and Castor, then lines up with them. Nearby, Mars steps on the Beehive. In the south the Bootes kite flies high.

Moon passing Venus, Mars, and Gemini at dusk, May 22-24, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, May 19 – 28

As Venus and Mars move toward each other in the western dusk, Venus brightens and Mars shrinks — just like they always do. This week the waxing Moon hops over both.

Chromosphere plume relative to Earth

Stargazer's Corner: Adventures Under the Night Sky

Australia's Hybrid Solar Eclipse: Capturing the Chromosphere

A veteran eclipse-chaser found himself in a “hurry-up offense” on a tiny, uninhabited island during the April 2023 hybrid solar eclipse.

Venus and Mars in Gemini, May 15, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, May 12 – 21

Mars and Venus each line up with a pair of stars this week. And with the Milky Way lying all around the horizon, the Coma Berenices Star Cluster floats overhead.

Coronal aurora blast

Explore the Night with Bob King

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.

Moon passing under Saturn at dawn, May 12-14, 2023

Celestial News & Events

This Week's Sky at a Glance, May 5 – 14

Big, macho Venus is closing in on wimpy little Mars in the western sky at dusk. Venus says hi to M35 on the way. In early dawn, the waning Moon guides the way to Saturn.

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!

Venus Orion Taurus in early May 2023

Celestial News & Events

This Week's Sky at a Glance, April 28 – May 7

The Arch of Spring across the west enfolds Mars and Venus. Wintry Sirius nears its heliacal setting low in the southwest. The Summer Triangle stars come into view one by one in the east.

total eclipse april 2023 AlsonWong label

Astronomy & Observing News

Totality “Down Under”

When the Moon’s shadow swept across Earth on April 20th, tens of thousands traveled to Australia, Timor-Leste, and Indonesia to witness the celestial spectacle.

Moon passing Mars, Pollus and Castor, April 25-26, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, April 21 – 30

The Moon hops past Venus and then Mars. Hydra snakes up, the Pointers point down, and the Arch of Spring spans the west.

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.

Waning Moon under Saturn at dawn, April 14-16, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, April 14 – 23

Venus shines with Aldebaran and the Pleiades in late twilight. After sunset on the 20th, try to spot your record-breaking thinnest young Moon. And Leo walks west with a mouse-galaxy dangling from his chin.

Venus near the Pleiades, Hyades, and Aldebaran, April 11, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, April 7 – 16

Venus in the western twilight guides the way down to Mercury. The Pleiades pass by Venus far in its background. And can you find the head of Hydra?

Elnath's position in Taurus constellation

Celestial Objects to Observe

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!

Mercury below Venus in the western twilight, April 7, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, March 31 – April 8

Mercury emerges this week far below Venus at dusk, while Venus makes its way toward the Pleiades. Orion turns his belt horizontal for the warming weather.

Lunarisms locator

Solar System

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.

Moon passing Mars in Gemini, March 27-28, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, March 24 – April 2

The Winter Hexagon fills the west after dark. The waxing Moon steps east across the evening sky from Venus past the Pleiades, then past Mars.

The crescent Moon hops over Venus in twilight, March 23-24, 2023

Celestial News & Events

This Week's Sky at a Glance, March 17 – 26

The crescent Moon visits Venus. The Orange Triangle turns nearly equilateral. And as evening grows late, Arcturus begins to dominate the low northeast. It's turning spring.

C/2023 A3 orbit

Comets

Anticipating Comet Tsuchinshan-ATLAS (C/2023 A3)

Newly discovered Comet C/2023 A3 might reach naked-eye brightness when it flies past Earth in 2024. Check out our forecast of what to expect to see in the months ahead.

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