... 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....

Еще в разделе: (Показать все результаты (>7127) - www.astronomy.com/ )

• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
• Can Earth-like lightning and thunder occur on a planet or Moon that exhibits
• The ringed planet dazzles | Astronomy.com

... 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! ...

Еще в разделе: (Показать все результаты (>497) - www.badastronomy.com/ )

• Phil Plait's Bad Astronomy: Bitesize Tour of the Solar System
• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Misconceptions: Does the Venus Transit Cause...

... 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 . ...

Еще в разделе: (Показать все результаты (>5507) - star.arm.ac.uk/ )

• Armagh Observatory
• ASTRONOMICAL PHENOMENA FROM MARS
• FETTU - Page 1

... 2015 February 20 . An Evening Sky Conjunction . ... Explanation: Eight years ago, an evening sky held this lovely pairing of a young crescent Moon and brilliant Venus . ... And since every 8 years the Moon also nearly repeats its phases for a given time of year, a very similar crescent Moon-Venus conjunction will again appear in planet Earth's evening skies tonight . But the February 20, 2015 version of the conjunction will also include planet Mars . ... About APOD | ...

Еще в разделе: (Показать все результаты (>6326) - www.sai.msu.su/ )

• APOD: 2011 December 1 - Young Moon Meets Evening Star
• APOD: 2014 February 27 - Daytime Moon Meets Morning Star
• APOD: 2005 December 9 - December Moon Meets Evening Star

... 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 . ...

Еще в разделе: (Показать все результаты (>136807) - www.astronet.ru/ )

• XWare > APOD
• Астронет > Sky and Planets
• Journal "Peremennye Zvezdy"

Astronotes Armagh Planetarium's Stellar Blog! ... Earth Satellites . ... According to Velikovsky, about 4000 years ago a giant volcano on Jupiter erupted and spewed a vast glob of debris into space, leaving the Great Red Spot behind as a permanent scar. The red hot lump ejected from Jupiter (referred to as a comet by Velikovsky) wandered into the inner Solar System, repeatedly crossing the Earth?s orbit and in fact often passing close to our helpless planet in the following millennia. ...

Еще в разделе: (Показать все результаты (>2861) - www.armaghplanet.com/ )

• NASA | Astronotes - Part 6
• Solar System | Astronotes - Part 2
• Solar System | Astronotes - Part 6

.

Еще в разделе: (Показать все результаты (>411) - zebu.uoregon.edu/ )

• Formation of the Earth's Moon
• Intelligent Life On Earth?

... 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! ...

Еще в разделе: (Показать все результаты (>1484) - www.cosmos.ru/ )

• The Scale of the Solar System
• Planetary Magnetism
• Flight to Mars: the Return Trip

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! ... Sojourner" on Mars, its top . ...

Еще в разделе: (Показать все результаты (>997) - www.iki.rssi.ru/ )

• Chronology of early astronomy,mechanics and spaceflight
• Discovery of the Solar System
• The Path of the Sun, the Ecliptic

... 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 . ...

Еще в разделе: (Показать все результаты (>180) - www.wro.org/ )

• Surface Features of Earth's Moon and Mars

home publications > mercury . ... Astronomy Beat . ... Nearly four centuries ago, Galileo's simple observations of Earth's planetary sibling, Venus, buoyed the proponents of a Copernican universe. ... The Italian astronomer had settled into a new house in Florence and had begun to observe Venus, which in November 1610 would have appeared as an evening star, bright in the western sky after dusk. ... From these two observations, Galileo inferred that Venus must orbit closer to the Sun than does Earth. ...

Еще в разделе: (Показать все результаты (>1651) - www.astrosociety.org/ )

• ASP: Attacking Mars
• ASP: Searching for Earth's History Among Earth-like Worlds
• ASP: Determining the Earth-Sun Distance Using Mars

Hubble Finds Oxygen Atmosphere On Jupiter's Moon Europa . Astronomers using NASA's Hubble Space Telescope (HST) have identified the presence of an extremely tenuous atmosphere of molecular oxygen around Jupiter's second moon, Europa . ... Europa's oxygen atmosphere is so tenuous that its surface pressure is barely one hundred billionth that of the Earth," said Principal Investigator Doyle Hall, of Johns Hopkins. ... The oxygen gas slowly leaks into space and must be replenished continuously. ...

Еще в разделе: (Показать все результаты (>6761) - www.arcetri.astro.it/ )

• Sun, Planet and Satellite Data
• What's New
• APOD: 2000 October 28 - Moonrise, Planet Earth

... 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. ...

Еще в разделе: (Показать все результаты (>66623) - www.atmob.org/ )

Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Greening the Earth Using Space Resources? by Greg Matloff . ... Lecture Series 2010-2011 . ... 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 . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Еще в разделе: (Показать все результаты (>619) - www.aaa.org/ )

• Astro-Imaging ? Page 2 ? Amateur Astronomers Association of New York
• This Monthт??s Sky т?? March 2016 ? Amateur Astronomers Association of New York
• Best Celestial Events of 2006 ? Amateur Astronomers Association of New York

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. ...

Еще в разделе: (Показать все результаты (>123) - www.space.vsi.ru/ )

• geltsentrhphotoe
• Keplere
• earthe

God Science Forum Message . ... God and Science | ... Pluto Is Not A Planet, But A Moon Of Neptune. ... Pluto Is Not a Planet, but a Moon of Neptune . 60 years ago, at 1947, the late Mohammed Ali Hassan Al-Hilly, said in his book: (The Universe and the Quran), that Pluto is not a planet but a moon of Neptune. ... He said: " Astronomers, however, think that Pluto is a planet, but I say it is merely a moon of Neptune, and actually it is not a planet. ... www.astronomy.net . About Astronomy Net | ...

Еще в разделе: (Показать все результаты (>1415) - www.astronomy.net/ )

• Moon, Planets And Aurora, Oh My! - an Astronomy Net Article
• Near Earth Object Program, AstroGuide Listing
• Astronomy articles, forums, listings, and other resources about Astronomy.

In ancient times the solar system was thought to be the whole Universe, so the study of planetary motions was cosmology. ... The planets other than the Moon and Sun generally move West to East through the stars, but occasionally stop and move in the opposite direction ( retrograde motion). In order to explain the retrograde motion of the planets, the geocentric model of the Solar System shown above puts the planets on small circles called epicycles . ...

Еще в разделе: (Показать все результаты (>844) - www.sao.ru/ )

... 3 ­ Sternberg State Astronomical Institute, Moscow, :jeanna@sai.msu.ru The graphic method of the analysis of an arrangement of linear structural elements on geographical and geological maps of continents (A.V.Dolitsky, [1]) has allowed to find out global stress fields of the past and among them one which directions (the main normal and maximal tangents) describe more than 80 % of all linear elements of a relief. ... The found poles share program way on density of an arrangement on 3-4 groups. ...

Еще в разделе: (Показать все результаты (>141) - selena.sai.msu.ru/ )

• Ekaterina A. Kozlova
• Vladislav V. Shevchenko
• Zhanna F. Rodionova

... Contents . ... Sidereal time . ... Mean longitude of the Moon, mean elements of the Moon's orbit and equator . ... Ephemeris for physical observations of the Sun . ... Ephemeris for physical observations of the Moon . ... Matrix elements for conversion to CIRS . ... Conversion of mean time to sidereal time (with accuracy 0.01 s ) . ... Conversion of sidereal time to mean time (with accuracy 0.01 s ) . ... Conversion of mean time to sidereal time (with accuracy 0.001 s and 0.0001 s ) . ...

Еще в разделе: (Показать все результаты (>730) - www.ipa.nw.ru/ )

• AY2016 (contents)
• AY2015 (contents)
• AY2014 (contents)

ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Staff list | ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... VLBI . ... Arch | ... CSIRO ATNF Data Archives . Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . ... CSIRO Radio Astronomy Image Archive . ...

Еще в разделе: (Показать все результаты (>17801) - www.atnf.csiro.au/ )

• February 2012 ATUC special meeting agenda and supporting documents
• ASKAP Early Science Community Workshop ASKAP Early Science Community Workshop
• Cosmic Engine: The Sun and its Influence on Earth