A mythic drama plays out in the stars above on November evenings. Taking center stage, almost directly overhead at nightfall, is Cassiopeia, the Queen.
Sky & Telescope's weekly celestial events calendar, with sky views, charts, and selected astronomy sights for your unaided eyes, binoculars, or a telescope.
While we may never see a planet orbiting a star other than the sun that doesn't mean we can't go there in a flight of fancy.
Some daily sky sights among the ever-changing stars and planets The monster sunspot continues in view; see "This Week's Planet Roundup" below. Friday, October 24 As the stars come out, Deneb is nearly straight overhead for skywatchers at mid-northern latitudes. Brighter Vega is west of the zenith. Altair is farther from the zenith toward...
Most of us are familiar with the Seven Sisters, but have you met their brothers? Learn how to find more Pleiades than first meet the eye.
A gigantic sunspot group, rotating into view on October 17th, has grown to nearly the size of Jupiter and could trigger potent solar storms in the days ahead.
Some daily sky sights among the ever-changing stars and planets Monster sunspot alert — see "This Week's Planet Roundup" below. Friday, October 17 Before dawn Saturday morning, Jupiter shines above the waning Moon, as shown at right. Although they look rather close together, Jupiter is 2,100 times farther in the background — it's at...
October's a perfect time to see the zodiacal light, a tapering tower of comet dust standing high in the eastern sky before dawn. Here's how to find it.
Some daily sky sights among the ever-changing stars, Moon, and planets.
Reports describing this morning's lunar eclipse are beginning to trickle in to our offices in Cambridge, Massachusetts.
You'll need to be up after midnight to watch the Moon plunge deep into Earth's shadow tomorrow morning — but it'll be worth it. Sometimes astronomical events occur in prime time — soon after it gets dark yet before bedtime. But that won't be the case tomorrow morning when, for the second time this year,...
Some daily celestial sights among the ever-changing stars and planets Friday, October 3 As evening twilight fades away, look very far to the lower left of the Moon for Fomalhaut, the Autumn Star, already climbing up from the southeast horizon. Saturday, October 4 The W pattern of Cassiopeia stands vertically (on its dimmer end)...
October is pleasant for nighttime observing because evenings are cool and come early. Use our downloadable stargazing podcast to find the month's highlights.
Lonely Fomalhaut turns out to have plenty of company. Learn how to find its two remarkably distant stellar companions.
Mars shines above Antares in the southwest at dusk this week.
Start your day with an eclipse of the full Moon! On the morning of October 8, 2014, a total lunar eclipse will be visible across most of North America.
Learn exactly how and when to expect the next display of the northern lights with a few easy-to-use online tools.
Arcturus is the bright star fairly high due west at nightfall. It's an orange giant 37 light-years away. Off to its right in the northwest is the Big Dipper, most of whose stars are about 80 light-years away.
Follow the lineup of Saturn, Mars, and Antares as it changes day by day.
Get acquainted with SS Cygni, the sky's brightest cataclysmic variable star. It's guaranteed to keep you on your toes.
Friday, September 5 Saturn, Mars, Delta (δ) Scorpii, and Antares form an equally-spaced ragged line in the southwest at dusk, as shown at right. Delta Scorpii used to be a bit dimmer than Beta above it. Then in July 2000 it doubled in brightness. It has remained bright, with slow fluctuations, ever since. Look...
International Observe the Moon Night is an event that encourages people to "look up" and enjoy our nearest neighbor. This year's InOMN is Saturday, September 6th. Here's a quiz: What astronomical object looks amazing no matter what the magnification, never looks exactly the same no matter how often you view it, and can be...
The astronomical calendar says autumn arrives on September 22nd. It's a season of transition, with plenty of celestial comings and goings in the evening sky. September’s equinox takes place on the 22nd at 10:29 p.m. Eastern Daylight Time. At that moment the Sun shines directly overhead as seen from the equator. Days and nights...
The Moon is coming back into the evening sky. Look for the waxing crescent low in the west-southwest in twilight, as shown at lower right. Can you make out Spica twinkling beneath it?
With a subtle beauty all its own, the earthshine we see glowing in the lunar night invites us to consider Earth's many connections to the Moon.