Jupiter

This Week's Sky at a Glance

Sky at a Glance, June 6 – 14

Friday, June 6 Look left of the Moon this evening for Mars, then Spica, as shown at right. With June under way, the Big Dipper is swinging around after dark to hang down by its handle high in the northwest. The middle star of its handle is Mizar, with tiny little Alcor right next...

This Week's Sky at a Glance

Sky at a Glance, May 16 – 24

Friday, May 16 Look for Mercury as twilight darkens. It's low in the west-northwest, far to the lower right of Jupiter and lower left of Capella. Mercury is having its highest showing of 2014 (for skywatchers at mid-northern latitudes). Saturday, May 17 Arcturus shines high in the southeast these nights. Vega shines much lower...

This Week's Sky at a Glance

Sky at a Glance, May 2 – 10

Friday, May 2 How soon after sunset can you see the first stars and planets coming out? The brightest this spring is Jupiter. Look for it high in the west, almost two fist-widths at arm's length above or upper left of the Moon this evening. Next brightest is Sirius, sinking in the southwest. Saturday,...

This Week's Sky at a Glance

Sky at a Glance, May 23 – 31

Friday, May 23 Meteor Update Saturday morning: Well that was a dud! Meteor watchers all over North America who went out in the early morning hours for the new predicted Camelopardalid shower saw few if any. People indeed reported observing a handful of meteors from the new radiant, but just a few per hour....

This Week's Sky at a Glance

Sky at a Glance, May 9 – 17

Friday, May 9 The waxing gibbous Moon in the evening sky forms a curving line with Mars to its left, and Spica to the lower left of Mars. Saturday, May 10 Bright Mars shines left of the Moon. Although they look rather close together, Mars is 260 times farther away — and twice as...

This Week's Sky at a Glance

This Week’s Sky at a Glance, August 22 – 30

Friday, August 22 Altair is the brightest star shining halfway up the southeastern sky after nightfall. Look to its left, by a little more than a fist at arm's length, for the dim but distinctive constellation Delphinus, the Dolphin. He's leaping leftward, just below the Milky Way. In Saturday's dawn, the thin waning crescent...

This Week's Sky at a Glance

This Week’s Sky at a Glance, October 3 – 11

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)...

This Week's Sky at a Glance

This Week’s Sky at a Glance, September 5 – 13

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...