Saturn

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

This Week’s Sky at a Glance, August 1 – 9

Friday, August 1 At dusk this evening, the Moon forms the lower-right end of a very long, curving line of celestial objects. Counting to the Moon's upper left, these are Spica, Mars, and Saturn, as shown here. Today is Lammas Day or Lughnasadh, one of the four traditional "cross-quarter" days midway between the solstices...

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, August 8 – 16;

Friday, August 8 Already you may see an occasional Perseid meteor if you keep an eye on the night sky. The shower's peak night is predicted for next Tuesday (August 12–13), but moonlight will compromise the view all week. Look northeast as the stars come out for W-shaped Cassiopeia. It's still not quite as...

This Week's Sky at a Glance

This Week’s Sky at a Glance, July 11 – 19

Friday, July 11 Mars and Spica form a striking pair in the southwestern sky at dusk! They're now just under 2° apart. On Sunday evening they'll be at their minimum separation, 1.3°. Watch them change day by day. Full Moon tonight and Saturday night (exactly full at 7:25 a.m. Saturday morning Eastern Daylight Time.)...

This Week's Sky at a Glance

This Week’s Sky at a Glance, July 25 – August 2

Friday, July 25 Mars and Spica shine in the southwest at nightfall. Mars keeps pulling farther away from Spica; they're now 6° apart. Saturn glows pale yellow to their upper left. Arcturus sparkles high to their upper right. Saturday, July 26 New Moon (exact at 6:42 p.m. EDT). Summer is hardly more than a...

This Week's Sky at a Glance

This Week’s Sky at a Glance, July 4-12

Friday, July 4 Out to watch fireworks? As you're waiting for twilight to end, spot the Moon in the west-southwest with Mars and Spica off to its left, as shown for July 4 here. High above them all shines brighter Arcturus. Saturn is farther left (off the left edge of this illustration). Point them...

This Week's Sky at a Glance

This Week’s Sky at a Glance, June 13 – 21

Friday, June 13 Vega is the brightest star shining in the east after dusk. It's currently the top star of the big Summer Triangle. The brightest star to Vega's lower left is Deneb. Look farther to Vega's lower right for Altair. The Summer Triangle will climb higher in early evening all through the summer,...

This Week's Sky at a Glance

This Week’s Sky at a Glance, June 27 – July 5

Friday, June 27 This is the time of year when, at the end of dusk, the dim Little Dipper floats straight upward from Polaris (the end of its handle) — like a helium balloon on a string, escaped from some summer evening party. Look due north. (Through light pollution, all that you may see...

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...