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News for Norther Colorado and the world

Monday, April 21, 2014

‘Earth & Sky’ Archives

Earthsky Tonight, February 5, 2010 Bright Mars and

Earthsky Tonight, February 5, 2010 Bright Mars and Beehive star cluster in same binocular field

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org If you’ve never seen the planet Mars – or haven’t seen it recently – now is the time to look. This reddish world – the world most like Earth in our solar system – shines more brilliantly this February than it will for the next several years. What’s more, Mars sits right in front of the constellation Cancer the Crab now. It shines only 3 degrees from a beautiful star cluster in the direction of ... Full Story

Earthsky Tonight, February 4, 2010: Blue-white Rigel

Earthsky Tonight, February 4, 2010: Blue-white Rigel is at the foot of Orion

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org The three sparkling blue-white stars of Orion’s Belt are easy to spot. As viewed from this hemisphere, this compact line of stars can be found in the southern sky at nightfall. Look in the south to southwestern sky any evening around now. Chances are the pattern you’ll pick out Orion! You may note that Orion’s two brightest stars – Betelgeuse and Rigel – lodge at an equal distance above and below ... Full Story

Earthsky Tonight, February 3, 2010: Somber red

Earthsky Tonight, February 3, 2010: Somber red Betelgeuse shines in the shoulder of Orion

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org At nightfall and early evening, people at mid-northern latitudes see the famous Belt of Orion – three stars in a short, straight row – about halfway between the southern horizon and straight overhead. Later at night, you will find Orion in the southwest. Above Orion’s Belt, you will find one of the sky’s most famous stars, ruddy-hued Betelgeuse. Kids especially like Betelgeuse, because its name sounds so much ... Full Story

Earthsky Tonight, February 2, 2010: Best time of year

Earthsky Tonight, February 2, 2010: Best time of year to see Saturn is approaching

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Our chart shows the southern sky in the wee hours before dawn on Wednesday, February 3. Blue-white Spica, the brightest star in the constellation Virgo the Maiden, sparkles to the left of the waning gibbous moon. The golden planet Saturn lies to the moon’s upper right. The best time of year to see the planet Saturn is approaching. Saturn is the faintest of the bright planets, so it’s not the easiest planet ... Full Story

Earthsky Tonight, February 1, 2010: Moon and Saturn

Earthsky Tonight, February 1, 2010: Moon and Saturn rise in late evening

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org You’ll have to stay up fairly late to see the moon and the planet Saturn tonight – or wake up early tomorrow. Our chart shows the eastern sky at around 10 to 11 p.m. The moon rises first. Then Saturn follows the moon above the horizon a bit later. For the precise rising time of the moon and Saturn into your sky, check the links on our almanac page. After they rise, the moon and Saturn travel westward ... Full Story

Earthsky Tonight, January 31, 2010: Watch for Leo the

Earthsky Tonight, January 31, 2010: Watch for Leo the Lion, harbinger of spring

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org The moon, planets and stars – like the sun – rise in the east and set in the west. Tonight, the waning gibbous moon will rise an hour or so after nightfall. However, the constellation Leo the Lion won’t be totally above the horizon until about 2 hours after darkness falls. Like the sun, the stars swing full circle across the sky once a day. Unlike the sun, however, the stars return to the same place in the sky in ... Full Story

Earthsky Tonight – January 30, 2010 Moon in Leo,

Earthsky Tonight – January 30, 2010 Moon in Leo, Mars in Cancer

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Our chart shows the eastern sky for around 8 to 9 o’clock tonight. The planet Mars shines brightly above the full-looking waning gibbous moon. Regulus, the brightest star in the constellation Leo the Lion, lurks to the lower left of the moon. Although Regulus rates as a first-magnitude star, it may be hard to spot in the lunar glare tonight. Try binoculars, if you can’t see Regulus with the eye alone. The ... Full Story

Earthsky Tonight – January 29, 2010 Mars at

Earthsky Tonight – January 29, 2010 Mars at opposition, near closest full moon

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Two major astronomical events fall within 10 hours of each other tonight. First, the planet Mars – the world most like Earth in our solar system – reaches opposition at 8 p.m. London time tonight. Second, the closest full moon of the year comes tomorrow at 6 a.m. London time – that’s around midnight tonight for us in the central U.S. What’s more, the moon is close to Mars tonight. Everyone around the ... Full Story

Earthsky Tonight – January 28, 2010: Does Mars

Earthsky Tonight – January 28, 2010: Does Mars ever appear as large as the full moon?

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Tonight, the planet Mars will be at at its biggest and brightest until the year 2014. Does that mean that Mars will be as large as the moon tonight? Check it out for yourself. This evening, look to the lower left of tonight’s almost-full waxing gibbous moon for a ruddy-colored “star.” That “star” is actually Mars, the 4th planet outward from the sun, shining most brightly in Earth’s sky for ... Full Story

Earthsky Tonight – January 27, 2010 Mars comes

Earthsky Tonight – January 27, 2010 Mars comes closest to Earth

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org Today, the planet Mars comes closest to Earth for all of this year. Mars is at its best about every two Earth years, and now is the time. In fact, this planet is now shining at its brilliant best for several years to come. Tonight’s close encounter between the Earth and Mars will be the closest until the year 2014. Because it’s close, Mars is also particularly bright in Earth’s sky right now. ... Full Story

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