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News for Norther Colorado and the world

Tuesday, February 9, 2016

‘Earth & Sky’ Archives

Sky Tonight—April 19, Moon and Scorpion rise after

Sky Tonight—April 19, Moon and Scorpion rise after Orion sets

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Like clockwork, the constellations rise and set 4 minutes earlier with each passing day. Four minutes doesn’t sound like much, but it adds up after a while. For instance, the stars rise and set one half-hour earlier with each passing week, or 2 hours earlier with each passing month. That is six hours difference after one 3-month season. Tonight, the red supergiant star Antares rises in the southeast around ... Full Story

Sky Tonight—April 18, moon leaving Spica and Saturn

Sky Tonight—April 18, moon leaving Spica and Saturn behind

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Last night, the full “Egg Moon” was quite close to Spica, the brightest star in the constellation Virgo the Maiden. Tonight, however, the moon will be farther away from Spica. Spica appears in the east – below the planet Saturn – at dusk or nightfall, but you may have to wait until early evening to see the waning gibbous moon climbing above the southeast horizon. If you look again in the next couple of ... Full Story

Sky Tonight—April 17, April full moon near Spica and

Sky Tonight—April 17, April full moon near Spica and Saturn

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org The April 2011 full moon will be out all night on April 17, lighting up the nighttime from dusk until dawn. Watch for the moon low in the east at dusk – at its highest point in the sky around midnight – and low in the west before the sun comes up tomorrow. Why isn’t there an eclipse every full moon? For the northern hemisphere, this is the first full moon of springtime. We in this hemisphere call it the Pink ... Full Story

Sky Tonight—April 16, Nearly full moon and Saturn

Sky Tonight—April 16, Nearly full moon and Saturn

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Go out at nightfall and look to the east, and you will see the beautiful planet Saturn. It’ll be the star like object close to tonight’s almost-full waxing gibbous moon. Note Saturn’s golden color, if you can. If you can’t, try viewing this world through binoculars. Or better yet, look at Saturn’s golden color and glorious rings through a telescope. That other bright light by the moon is Spica; the ... Full Story

Sky Tonight—April 15, Moon shines near Saturn

Sky Tonight—April 15, Moon shines near Saturn

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Tonight and tomorrow night – April 15 and 16, 2011 – are wonderful times to identify the ringed planet Saturn! The oval-shaped waxing gibbous moon is near the planet both tonight and tomorrow. It’s even closer to Saturn tomorrow than tonight. The day after tomorrow – on Sunday – the full moon will couple up with Spica, the brightest star in the constellation Virgo. Spica: Speed on Saturn is only a couple ... Full Story

Sky Tonight—April 14, Sundial noon and clock noon

Sky Tonight—April 14, Sundial noon and clock noon agree in middle April

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Every year around mid-April, time by the sun and time by the clock agree. For instance, when the midday sun climbs highest in the sky in mid-April, the sundial reads 12 o’clock noon and your local clock time says 12 o’clock noon. Your local clock time is the same as standard clock time, as long as you live on the meridian that governs your time zone. If you live east of the time zone line, then your local time ... Full Story

Sky Tonight—April 13, Moon close to Regulus – a

Sky Tonight—April 13, Moon close to Regulus – a Royal Star

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Tonight, the waxing gibbous moon shines close to Regulus, the brightest star in the constellation Leo the Lion. Regulus is considered to be the Heart of the Lion in Leo. Regulus is also one of the four “Royal Stars” of ancient Persia. These Royal Stars mark the four quadrants of the heavens. They are Regulus, Antares, Fomalhaut, and Aldebaran. Regulus: Heart of the Lion Four to five thousand years ago, the ... Full Story

Sky Tonight—April 12, Use moon to locate Cancer the

Sky Tonight—April 12, Use moon to locate Cancer the Crab

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org The moon can guide you to Cancer the Crab tonight – if you are patient. You have probably heard of the constellation Cancer, but there is a good chance you have never seen it. As constellations go, Cancer the Crab is probably the most famous constellation that the fewest people can actually identify in the night sky. Its primary competitors in the famous-but-not-recognizable category are probably Aries the Ram ... Full Story

Sky Tonight—April 11, Moon passes by Gemini stars

Sky Tonight—April 11, Moon passes by Gemini stars

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Tonight, the moon shines near Castor and Pollux, the brightest stars in the constellation Gemini the Twins. As seen mid-northern latitudes, the moon and the Gemini stars shine fairly high in the south to southwest sky at nightfall, and all three luminaries set in the west after midnight. As viewed from middle latitudes in the southern hemisphere, the moon, Castor and Pollux sit low in the northern sky at ... Full Story

Sky Tonight—April 10, Moon approaching Gemini stars

Sky Tonight—April 10, Moon approaching Gemini stars

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Tonight the wide waxing crescent moon passes in front of the constellation Gemini the Twins. The two brightest stars in Gemini are Castor and Pollux. Beyond the fact that both are bright, they don’t really look alike. Pollux is golden in color, and Castor is pure white. These stars are extremely noticeable in the night sky. No other two such bright stars appear so close together. Of course, many myths explain ... Full Story

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