... Planets in the West . ... Now shining in the west as bright " stars " in the night sky, are all five planets of the solar system known to ancient astronomers - Mercury, Venus, Mars , Saturn, and Jupiter . Recorded from Holt, Michigan, USA about 40 minutes after sunset on April 14th, this digital image captures three of them, Venus, Mars, and Saturn , along with a young crescent Moon . ... April . ... We . ... Publications with keywords: planets - Venus - Mars - Saturn - Moon - evening sky . ...

... 2002 April 18 . Planets in the West . ... Explanation: Have you seen any bright planets lately? ... Now shining in the west as bright " stars " in the night sky, are all five planets of the solar system known to ancient astronomers - Mercury, Venus, Mars , Saturn, and Jupiter . Recorded from Holt, Michigan, USA about 40 minutes after sunset on April 14th, this digital image captures three of them, Venus, Mars, and Saturn , along with a young crescent Moon . ... About APOD | ...

... Tonight's Sky . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Bright planets meet at dusk . ... Astronomy magazine subscribers can read the full article for free. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... January . ... Posted on February 8, 2013 | 1 Comment From early civilizations until today man has sought to explore and discover what is beyond our world. ... Continue Reading.. Posted on January 9, 2013 | ... Posted on March 29, 2012 | ... Posted on January 30, 2012 | ... Posted on November 18, 2011 | No Comments Helene is a tiny moon of Saturn that shares an orbit with the much larger moon Dione. ...

Armagh, 2nd May 2002. Saturn and Mars are at the top left, Venus is the very bright object and Mercury appears through the clouds. ... All five planets visible to ancient astronomers can now be seen in alignment in the western sky. ... Next is Venus, the brightest planet or "Evening Star", followed by Mars, a much fainter red planet, then Saturn (near the red star Aldebaran, the brightest star in Taurus), and finally, slightly higher in the sky, the largest planet Jupiter. ...

... Running Rings Around a Planet . ... Saturn's delicate rings have caught human eyes for over three centuries. ... Now we know, thanks to the Voyager space probes, that Saturn's rings consist of thousands of "ringlets," each made of chunks of ice ranging in size from dust to boulders [see "Rally Around the Ring," March/April 1995, p. 10]. ... The appearance of Saturn's rings to us ground-hugging Terrans is changing constantly. ... Saturn's diameter is 120,000 kilometers, so how large are the rings? ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2000 November 8 . October Skylights . ... Explanation: With brilliant Venus above the western horizon at sunset and Jupiter and Saturn high in the east by early evening, November's night sky is filled with bright planets. October's sky featured bright planets as well and, triggered by the active Sun, some lovely auroral displays . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

Moon, Planets And Aurora, Oh My! Articles | ... Moon | ... How often do we see several planets and the Moon together? ... Then I look northeast and see more red through all the light pollution of Washington, D.C. I snapped this 15 second photo. ... What started out as a father son photographic safari for rare planet conjunctions turned into a spectacular night of memories. ... Aha, I see some red light near Orion. ... A Very Rare Red Aurora in Northern Virginia, . ... www.astronomy.net . ...

... More on 51 Peg: . The discovery of a Jupiter--mass planet in orbit around the solar--type star 51Peg has been reported by Michel Mayor and Didier Queloz (Geneva Observatory) on October 6th at the 9th Cambridge workshop on "cool stars, stellar systems, and the sun" held at Florence (Italy). ... Recall that the measurements of radial velocity only yield v sin i which in turn gives us M sin i. For most values of i, sin i will be greater than 0.5 and this gives a mass estimate of 0.5 Jupiter masses. ...

NASA's James Webb Space Telescope: The James Webb Space Telescope (JWST) offers unprecedented observing opportunities in the near- and mid-infrared for the planets Jupiter, Saturn, Uranus, and Neptune. ... Obser vations of the Giant Planets J. N o r w o o d ( N M S U ), J. M o s e s (S SI), L . ... Jupiter S a t ur n Uranus Neptune Ephemeral phenomena are fairly common in the atmospheres of the giant planets. ... Uranus/ Neptune spectra are from Spitzer/ IRS cour tesy of G. Or ton. ...

NAUTICAL ASTRONOMICAL ALMANAC for 2011-2012 (in Russian-English) . Preface . The Institute of Applied Astronomy of the RAS (IAA RAS) submits the next issue of ?The Nautical Astronomical Almanac for the years 2011-2012? biennial (NAA-2). ... There are some auxiliary tables for interpolation and calculation of altitude and azimuth in NAA-2. Calculations of ephemerides in NAA-2 for 2011-2012 have been executed by the following researchers of Laboratory of Astronomical Yearbooks of IAA RAS: . ...

... Earth is the tiny spot between Jupiter and the Sun). ... Distance Radius Mass Name Orbits (000 km) (km) (kg) --------- ------- -------- ------- ------- Sun 697000 1.99e30 Jupiter Sun 778000 71492 1.90e27 Saturn Sun 1429000 60268 5.69e26 Uranus Sun 2870990 25559 8.69e25 * Neptune Sun 4504300 24764 1.02e26 * Earth Sun 149600 6378 5.98e24 Venus Sun 108200 6052 4.87e24 Mars Sun 227940 3398 6.42e23 Ganymede Jupiter 1070 2631 1.48e23 + Titan ... Extrema .. ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Astrophysics graduate student programs . ... Australian Square Kilometre Array Pathfinder . ... Parkes radio telescope . Australia Telescope Compact Array . ... Images . ... The two images shown here are from 10 days of observations with the Australia Telescope Compact Array between 12 and 26 July 1995, and were intended for comparison with observations of Jupiter at the time of impact of Comet Shoemaker-Levy 9. ...

... Home Observing This Month?s Sky This Monthт??s Sky т?? April 2016 . ... Lecture Series 2014-2015 . ... This Monthт??s Sky т?? ... This Month's Sky - 2015 . This Month's Sky - January 2015 . ... April 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... The Pleiades star cluster, also known as the Seven Sisters and Messier 45, is a conspicuous object in the night sky with a prominent place in ancient mythology . ... The stars in the Pleiades are thought to have formed together around 100 million years ago, making them 1/50th the age of our sun, and they lie some 130 parsecs (425 light years ) away. ... Data for these stars are listed in a table below. ... Yes . ... WEBDA Pleiades cluster data . ... M45: The Pleiades Star Cluster (2007 November 18) ...

Giant Jupiter. Jupiter . ... Jupiter has no solid surface that is why speaking about its dimensious point the radius of the upper border line of the clouds, where the presseru is about 10 KPa; radius of Jupiter on the equator is 71400 km. ... The Jupiter satellites. ... Nowadays 16 satellites of the Jupiter are known: Adrastea, Mitis, Amaltea , Phina,then 4 Galilei satellites: Io , Europe , Hanimed , Callisto , Leda, Aimalia, Zicitea, Elara, Ananke, Carme, Pasipe and Sinope. ... Jupiter's ring. ...

... Go directly to the moons of: . Mercury Venus Mars Jupiter Saturn Uranus Neptune Pluto . Go directly to the surface features of Earth's Moon and Mars . Planet & Moons . Pronunciation . ... Mercury . ... Mars: . 2 moons . ... Jupiter: . ... Neptune: . ... 1 moon . ...

... Apr 14, 2016 - Monthly Meeting . ... The Amateur Telescope Makers of Boston, Inc. ATMoB) is an astronomy club devoted to telescope making, observing, and studying the heavens. ... CURRENT MOON . ... April Sky . ... Lyrids Meteor Shower . ... Sources: NASA JPL Space Calendar , StarDate Online , Sky Telescope , Harvard-Smithsonian Center for Astrophysics , RASC Observer’s Handbook , Abrams Planetarium Sky Calendar and Astronomy Magazine . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Not so long ago, Space Scoop explained that right this moment you re hurtling through space at hundreds of thousands of kilometres per hour! ... We call the time it takes Earth to complete one full rotation a day . ... But the length of one rotation and one orbit can be different on other planets. For example, one orbit (or year ) on Mercury takes just 87 Earth days. ... The length of day is also different on other planets. For example, one day on Jupiter lasts just 10 Earth hours. ...