Astronomy Picture of the Day . Venus: Earth's Cloudy Twin . ... Credit: Galileo Spacecraft, JPL , NASA , Copyright Calvin J. Hamilton Explanation: If Venus weren't so cloudy it would be more similar to Earth. This picture by the Galileo spacecraft shows just how cloudy Venus is. ... This visible light picture of Venus was taken by the Galileo spacecraft now in orbit around Jupiter. ... Information: Thursday, September 26 - A Total Lunar Eclipse . ... September . ... September 1996 . ...

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• Journal "Peremennye Zvezdy"
• The Earth and Moon from Mars
• Venus: Earths Cloudy Twin

... September 23, 1996 . Venus: Earth's Cloudy Twin . Credit: Galileo Spacecraft, JPL , NASA , Copyright Calvin J. Hamilton . Explanation: If Venus weren't so cloudy it would be more similar to Earth. ... Venus is very similar to Earth in size and mass - and so is sometimes referred to as Earth's sister planet - but Venus has a quite different climate. Venus ' thick clouds and closeness to the Sun (only Mercury is closer) make it the hottest planet - much hotter than the Earth. ...

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• APOD: 2004 May 16 - Venus: Earth's Cloudy Twin
• APOD: August 15, 1995 - Venus: Earth's Sister Planet
• Venus

The Bringer of Peace V enus is the second planet from the Sun and the sixth largest. ... S ince Venus is an inferior planet, it shows phases when viewed with a telescope from the perspective of Earth. ... T he pressure of Venus' atmosphere at the surface is 90 atmospheres (about the same as the pressure at a depth of 1 km in Earth's oceans). ... Craters on Venus seem to come in bunches indicating that large meteoriods that do reach the surface usually break up in the atmosphere. ... Earth .. ...

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• Lunar Orbiter 1
• The Wind Spacecraft
• Kuiper-Oort

The Bringer of Peace V enus is the second planet from the Sun and the sixth largest. ... S ince Venus is an inferior planet, it shows phases when viewed with a telescope from the perspective of Earth. ... T he pressure of Venus' atmosphere at the surface is 90 atmospheres (about the same as the pressure at a depth of 1 km in Earth's oceans). ... Craters on Venus seem to come in bunches indicating that large meteoroids that do reach the surface usually break up in the atmosphere. ... Earth .. ...

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• Mariner 10
• Lunar Orbiter 1
• Mars 96

In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...

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... Direct data transmission rate (Mbps) . ... the density of electron fluexs with energies in four bands from 0.04 MeV to 1.7 MeV; . ... sensor (TV, IR) data and heliogeophisical information (HGI) transmission to data receiving and processing centers at a rate of up to 2.56 Mbps; . ... 1.76 GHz - TV- and heliogeophysical information and DCLI's data transmission to data receiving and processing centers; . 7.5 GHz - TV- and heliogeophisical data transmission to data receiving and processing centers; . ...

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... Satellite data ] . ... The SCANOR system provides receiving and processing of the Earth-surface pictures made in visible and infra-red bands and transferred by satellites of the NOAA polar orbiter series (in the HRPT mode). ... The SCANOR system includes the desktop receiving device connected to an IBM AT 386 type computer, and the parabolic antenna with the guiding mechanism. The SCANOR system possesses the state-of-art software providing registration and processing of the received data. ...

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• XV-AVHRR

... Spacecraft . 29a. Satellite looking up . ... 29e. Explorers of distant space . Space Index . ... Many "down-looking" satellites also carry out local observations, among them Polar, Viking, Freja and satellites of the GOES and DMSP series. ... Other explorers of the distant magnetosphere have included the three ISEE spacecraft (International Sun-Earth Explorers), Polar in an elliptical polar orbit with cameras observing the polar aurora, and Image observing energetic neutral atoms. ...

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• Spacecraft that Explore Distant Space
• INTERBALL TAIL PROBE SITUATION ANALYSIS
• The Wind Spacecraft

Astronotes Armagh Planetarium's Stellar Blog! ... Colin Johnston . ... This submillimetre-wavelength image of the region surrounding the reflection nebula M78 made with the Atacama Pathfinder Experiment (APEX) telescope (overlaid on a view of the same region in visible light) shows the position of interstellar dust grains (orange) to show where new stars are being formed.( ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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• The Leonid meteors: highlights of the November night sky | Astronotes
• The Real Mystery Satellites | Astronotes
• VP113 Comes Out of the Darkness | Astronotes

... Michael Collins (BGEN, USAF, Ret.) NASA Astronaut (former) . ... SPECIAL HONORS: Presented the Presidential Medal for Freedom in 1969 and recipient of the NASA Exceptional Service Medal, the Air Force Command Pilot Astronaut Wings, and the Air Force Distinguished Flying Cross. ... He served as backup pilot for the Gemini VII mission. ... Collins served as command module pilot on Apollo 11, July 16-24, 1969--the first lunar landing mission. ... This is the only version available from NASA. ...

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• Astronaut Bio: Alfred Merrill Worden
• Astronaut Bio: Eugene A. Cernan
• Astronaut Bio: Bruce McCandless II

Using the 1-m telescope at Ritter Observatory, we took 36 observations of \zeta$^2$ Coronae Borealis with a fiber-fed echelle spectrograph. From these observations, \zeta$^2$ CrB was found to be a triple system and a new spectroscopic orbit was calculated. ... The inner binary`s center of mass (\zeta$^2$ CrB AB) describes a long-period single-lined variation identified with the outer binary. ... The inner binary possesses an essentially circular orbit $(e = 0.48)$. ...

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• Editing Documentation (Including this Website) GPI Data Pipeline 1.0
• ACS Instrument Handbook
• Spitzer Survey of the Large Magellanic Cloud: Surveying the Agents of a

... The TESIS is a set of solar imaging instruments developed by the Lebedev Physical Institute of the Russian Academy of Science, and launched aboard the Russian spacecraft CORONAS-PHOTON on January 30, 2009. The main goal of the TESIS is to provide complex observations of solar active phenomena from the transition region to the inner and outer solar corona with high spatial, spectral and temporal resolution in the EUV and Soft X-ray spectral bands. ... Solar activity hits a new low . ...

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• Double Engine Fuels Star's Remarkable Nebula - Astronomy news
• Earth Seen By NASA's Moon Mapper On India's Chandrayaan-1 Spacecraft -

... Search . ... Astrophysics Group . Research . ... Research and Instrumentation . ... While this seems an extraordinary endeavour, in light of what we have learnt about Solar System planets, only a handful of key ingredients are required to start characterising an exoplanet. ... The NGTS project is a partnership between the University of Cambridge, Queen?s University Belfast, University of Warwick, University of Leicester, Observatoire de Geneve, DLR (Berlin) and Universidad Catolica de Chile. ...

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• OptInt PmWiki : Include Other Pages | Attach
• OptInt PmWiki : PmWiki / Wiki Style Examples
• OptInt PmWiki : Include Other Pages | Edit

... Where is Venus and how big is it? ... What are Venus's clouds made of? ... Target: Venus ? ... Starting in early May, Venus will be the brilliant "morning star", rising just before the Sun does. ... will "invade" Venus by dropping a number of landers and balloon-carried probes into the planet's cloud-shrouded atmosphere. ... The American Pioneer Venus Orbiter and the two 1983 Soviet Venera spacecraft (see table ) each carry radar instruments which have been mapping Venus's surface through the clouds...

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• ASP: The Magellan Spacecraft at Venus
• ASP: ASP Conference Series to Include Free Electronic Access
• ASP: The Face on Mars

GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...

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... Solar System . ... Sun . ... Comets . ... Some get thrown out of the solar system forever, whereas others end up on yet smaller orbits, visiting the inner solar system fairly frequently - such as comet Halley. ... When a comet moves into the inner solar system, this is heated by the Sun, and the ices turn into gas which forms the head or coma of the comet, which may be hundreds of thousands of kilometres across and visible from Earth. The most striking part of many active comets is the tail . ...

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• Solar System Research
• Armagh Astropark
• Armagh Observatory Press Release

. In this magnified image captured by the Mars Reconnaissance Orbiter, the Pathfinder lander is clearly visible in silhouette, including its airbags and the ramp that the Sojourner rover rolled down to reach the surface. Various named rocks and landscape features are indicated, as well as the possible site of the Sojourner rover, about 20 feet (6 meters) due south of the lander. NASA/JPL/Univ. of Arizona/USGS

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• NASA's New Horizons detects Pluto surface features, including possible polar
• First spacecraft to orbit Mercury carries University of Michigan device |
• Dawn spacecraft begins science orbits of Vesta | Astronomy.com

Электронная библиотека астронома-любителя. ... архив RSN . ... Апрель 1998 . ... Дата: 10 апреля 1998 (1998-04-10) От: Alexander Bondugin Тема: Galileo Update - April 9, 1998 Привет всем! ... Дата: 10 апреля 1998 (1998-04-10) От: Alexander Bondugin Тема: Mars Global Surveyor Update - April 9, 1998 Привет всем! ... The feature known as the "Face on Mars" in the Cydonia region was imaged quite successfully on April 5th and its image was released in raw form and in an enhanced form on April 6th. ...

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• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 08 апреля
• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 23 января
• Электронная библиотека астронома-любителя. RU.SPACE.NEWS - архив за 19 января

... Bad Astronomy . ... On Thursday, February 15th 2001 (and replayed on March 19), the Fox TV network aired a program called ``Conspiracy Theory: Did We Land on the Moon?'', hosted by X-Files actor Mitch Pileggi. ... Dust around the lander . ... However, it appeals to our common sense: when the sky is black here on Earth, we see stars. ... Bad: The program claims that when the top half of the lander took off from the Moon to bring the astronauts back into orbit, there was no flame from the rocket. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Misconceptions

... xmmtrack . ... xmmtrack is an interactive IDL application that visualizes the orbit and attitude data in an ODF in the form of a 3-D animation sequence. The presented scenery includes an astronomically accurate simulation of the Earth-Sun system plus the actual and predicted trajectory of the XMM satellite on its path around the Earth. ... Please note: XMM's orbit is highly time variable and the predicted orbit will significantly deviate from the actual trajectory if the reference epochs differ. ...

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• Future developments