... 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....

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

... 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! ...

... 2015 December 12 . Comet Meets Moon and Morning Star . ... Explanation: A crescent Moon and brilliant Venus met in predawn skies on December 7, a beautiful conjunction of planet Earth's two brightest celestial beacons after the Sun. ... The fainter comet clearly sporting two tails , lunar night side, bright sunlit lunar crescent, and brilliant morning star, are all recorded here by combining short and long exposures of the same field of view. ... About APOD | ... A service of: ASD at NASA / GSFC . ...

... Planets . ... Earth Satellites . ... Monthly Sky Notes . ... As the sun sets in the west each evening, Jupiter, the largest planet in our Solar System, is rising in the east in the constellation of Aries, where it is visible throughout the night setting just before sunrise. ... On 28 October the Earth comes between the Sun and Jupiter, in opposition, meaning as the Sun sets in the sky Jupiter will rise. ... Also this month rising into the sky in the early hours of the morning is Mars the Red planet....

... Venus On The Horizon . ... Credit Copyright: STS 30 Crew , NASA Explanation: The month of October features a sky full of planets, including Venus as the brilliant evening star. Besides the sun and moon, Venus is the brightest object visible in Earth's sky. ... Because it is closer to the sun than Earth, Venus never strays far from the sun in its apparent position and is seen during the year as either a bright morning or evening star . ... October . ... Comet Meets Moon and Morning Star . ...

... 2000 October 28 . Moonrise, Planet Earth . Credit: STS-35 Crew, NASA . ... In the foreground, towering clouds of condensing water vapor mark the extent of the troposphere, the lowest layer of the planet's life-sustaining atmosphere . ... Moon and clouds are strong visual elements of many well known portraits of planet Earth , including Ansel Adams' famous "Moonrise, Hernandez, New Mexico" , photographed in 1941. ... About APOD | ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . ...

... For a timeline of the exploration of the magnetic environment of the Earth, Sun and Planets, see here . ... Galileo Galilei (1564-1642) builds the first astronomical telescope and observes for the first time craters on the Moon, satellites around Jupiter, and the way Venus goes through phases like the Moon (crescent, etc.) ... 17 December--First successful flight by the Wright brothers at Kitty Hawk, North Carolina. ... 16 March--Goddard launches his first liquid-fuel rocket. ...

Venus under the clouds. ... Venus is the second from the Sun and the nearest to the Earth planet of solar system. ... As for Venus, it has the densest atmosphere, the smallest rotation around the axis and the least eccentricity of the orbit Venus is the only planet whose own rotation is opposite it’s rotation around the Sun. ... The radiolocation survey of Venus by the soviet station "Venera - 15" and "Venera - 16" brought out in 1984 in the planets satellite`s orbit shoued the tarces of long walls. ...

... SEARCH ASP SITE: Match ALL words Match ANY word . ... Astronomy from the Ground Up . ... Universe At Your Fingertips . Universe At Your Fingertips TOC . Universe At Your Fingertips Activities TOC . More Universe At Your Fingertips . ... Sample Activities . ... Sharing the Universe . ... Survey of College Astronomy Instructors . ... Modeling Moon Phases . ... TOP . ... The Sun . ... Morning Star and Evening Star . ... Women in Astronomy: Some Activities to Get Students Thinking . ...

... 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 . ...

... Home Education Classes AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . AAA Winter Astronomy Class: Measuring Distances in Space тАУ Dec 2015 тАУ Feb 2016 . AAA Spring Astronomy Class: The Physics of Astronomy тАУ February - March 2016 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ...

... About ATNF overview . ... Parkes radio telescope . ... The focus of the ASKAP Community Workshop 2015 is ASKAP Early Science . This workshop will explore the scope, implementation and expected science outcomes of the ASKAP early science project, which is due to begin in 2016. ... Presentations will follow from representatives of each science area currently engaged with the ASKAP early science forum тАУ these presentations will be solicited by email through the early science forum exploder. ...

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 . ...

КОСМИЧЕСКИЙ КАЛЕНДАРЬ ЯНВАРЯ 2000 ГОДА . ... Jan 01 - Year 2000 . Jan ?? ... Jan 01 - Asteroid 1996 AX1 Closest Approach To Earth (0.702 AU) . ... Jan 03 - Asteroid 3745 Petaev Closest Approach To Earth (1.862 AU) . ... Jan 05 - Asteroid 1999 VO11 Near-Earth Flyby (0.218 AU) . ... Jan 08 - Comet P/1998 VS24 (LINEAR) Closest Approach To Earth (2.915 AU) . ... Jan 12 -[Image][Dec 02] Asteroid 1999 WA2 Closest Approach To Earth (1.100 AU) . ... Jan 14 - Mercury Occults 53 Sgr (6.9 Magnitude Star) . ...

... Astronomers have found a planet the size of Earth just outside of our Solar System, orbiting around our nearest star! ... More than 800 planets have now been found outside our Solar System, we call them 'exo-planets . ... While the newly discovered exo-planet is similar to the Earth in size, it is much closer to its star than our planet. ... A year on the exo-planet would be just three days long (this is how long it takes the planet to complete one orbit of its star). ...

... Spacecraft . ... To space by cannon? Finally, the deep space explorers --spacecraft which break away from the Earth's gravity . ... The "Luna" series of the USSR conducted 7 soft landing of unmanned probes, two of them with wheeled robotic "Lunokhods," and two of those missions returned samples to Earth. Others spacecraft have visited the major planets of the Solar system. ... The Mariner series have explored Venus and Mars--and Mariner 10 even reached Mercury, for three separate encounters! ...

... Rain, Rivers and the Icy Landscape of Titan . ... Thursday, Mar 14, 2013 at 8:00 PM . This month’s speaker will be Dr. Taylor Perron of the MIT Department of Earth, Atmospheric and Planetary Sciences whose research focuses on the physical processes that create landscapes, both on earth and on other planets and moons. ... Unlike rivers on Earth and Mars, Titan’s landscapes have been carved into water ice by liquid hydrocarbons. ... Mar . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Comets . ... Observing conditions were favorable at Arecibo July 5-15 2001, and observing time for both spectroscopy of 18-cm OH lines and S-band radar observations were arranged. The comet nucleus was observed to split into two pieces on April 30. ... Because the comet passed within 0.25 AU of the Earth in early July, when it was visible from Arecibo Observatory, it was fairly well suited to radar observation. ...

... Astronomy news . ... Earth Seen By NASA's Moon Mapper On India's Chandrayaan-1 Spacecraft . A new image of Earth taken from 200 kilometers (124 miles) above the lunar surface was taken by the Moon Mineralogy Mapper, one of two NASA instruments onboard the Indian Space Research Organization's Chandrayaan-1 spacecraft. ... NASA's Jet Propulsion Laboratory, Pasadena, Calif., designed and built the Moon Mineralogy Mapper and is home to its project manager, Mary White. ...