Astronotes Armagh Planetarium's Stellar Blog! ... Monthly Sky Notes . ... March . ... Posted on July 30, 2014 | 1 Comment In August the Summer Triangle continues to dominate the seasonal sky. This classic asterism is defined by three bright stars of the constellations Cygnus, Aquila and Lyra, these are the [ ] . Continue Reading.. ... 1 Comment Looming large in the after dark southern sky in July is the large and overlapping but often overlooked constellations of Ophiuchus and Serpens. ...

... 2006 December 9 . Three Planets in Dawn Skies . ... Explanation: Three children of the Sun rise in the east in this peaceful dawn skyview recorded December 7th near Bolu, Turkey. Inner planet Mercury , fresh from its second transit of the 21st century, stands highest in the bright sky at the top right. Gas giant Jupiter lies below the cloud bank near picture center. ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ... A service of: ASD at NASA / GSFC . ...

... APOD: 2011 December 7 Kepler 22b: An Almost Earth Orbiting an Almost Sun . ... 7.12.2011 . ... Recently discovered planet Kepler 22b has therefore instantly become the best place to find life outside our Solar System. ... The planet, Kepler 22b , is over twice the radius of the Earth and orbits slightly closer in, but lies in the habitable zone where liquid water could exist on the surface. ... December . December 2011 . ... Kepler 16b: A Planet with Two Suns . ... Kepler s Suns and Planets . ...

Signs Constellations Of The Zodiac . Articles | ... The band of the zodiac is some sixteen degrees wide, extending about eight degrees north and south of what's called the ecliptic -- the Sun's path through the stars. ... Since that time, the March equinox Sun has shifted about thirty degrees westward through the constellations of the zodiac. ... While signs neatly extend eight degrees north and south of the ecliptic, aligning with the borders of the zodiac, constellations do no such thing. ...

... Events . ... The orbit of the Moon is too small to be seen on this scale, but the 2008 December 1st alignment was especially interesting because additionally Venus was occulted by the Moon (this occultation was visible from Europe and NW Africa). Some more photos of the 1 December events received from Jonathan Bingham . ... Venus coming out from behind the Moon; photograph by Jonathan Bingham . ISS; photograph by Jonathan Bingham . ... International Year of Astronomy, Ireland National Node . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. December 17, 1996 . Mariner's Mercury . ... Explanation: Mercury, the closest planet to the Sun, remains the most mysterious of the Solar System's inner planets. ... The only spacecraft to explore Mercury close-up was Mariner 10 which executed 3 flybys of Mercury in 1974 and 1975, surveying approximately 45 percent of its surface. ...

NASA's Galileo spacecraft, now in orbit around the planet Jupiter, this morning began the first scheduled return of data from its companion atmospheric probe that parachuted into the jovian atmosphere last Thursday. ... Forty minutes of data collected by the probe stored in the orbiter's onboard computer memory will be radioed to Earth over the next four days and presented to Galileo scientists for analysis. ... Space History Galileo . ...

... In typical nightly use, the wide field and planetary telescope and cameras record images of favorably placed objects in the sky, including constellations, bright variable stars, nebulae through narrow-band filters, comets, the Moon, and planets. ... Shared Skies telescopes are available for use by students at the University of Louisville and the University of Southern Queensland, and by teachers and students in middle and high schools mentored by faculty at the universities. ...

... Asteroseismology of Extrasolar Planet Host Stars . ... GO 11945: Asteroseismology of Extrasolar Planet Host Stars . ... Asteroseismology uses those pulsations to study the internal structure of stars. ... Detecting such variations require extemely high signal-to-noise; nonetheless, observations have been extended to a handful of other stars. ... Past weeks: . Cycle 14 observations (from March 13 2006 to June 30 2006) . Cycle 15 observations (from July 1 2006) . ...

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... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...