... SMIS : Space Monitoring Information Support laboratory . Russia's Weather : State Meteorological Center Weather Forecast . Space Weather service : ACE real time solar wind data and simple geomagnetic activity forecast. ... World Fire Web : Space Research Institute (IKI) node . Sputnik : Joint project of SRC Planeta, Rosgidromet and Space Research Institute (IKI) . ... Today's Space Weather : Presented by the Space Environment Center . ... Back to the Space Research Institute Home Page ...

... Bad Astronomy . ... Bitesize Astronomy . ... If you thought our tour of the solar system ended with Neptune and Pluto, you are setting your sights way too low. The planets of the solar system mark time relatively close to the Sun compared to interstellar space. Pluto orbits the Sun at an average distance 40 times that of the Earth, yet the nearest star (the Alpha Centauri system) to the solar system is a mind-numbing 260,000 times the distance of the Earth to the Sun. ... 2008 Phil Plait. ...

... HD 10180: Richest Yet Planetary System Discovered . ... Our Solar System has the most planets of any known star, most probably because it is so hard to detect planets around other stars . Sensitive measurements, though, have now uncovered a slight but complex wobble of the Sun-like star HD 10180 indicating that it has at leave five planets and possibly more, making it the richest extra-solar planetary system yet known. ... Publications with keywords: extrasolar planet - planetary system - ESO . ...

... Pluto is smaller than any other planet and even smaller than several other planet's moons. ... Craters suggest bombardment by Kuiper Belt objects, a newly understood population of outer solar system bodies likely related to the Pluto-Charon system . ... APOD: 2006 June 24 - Nix and Hydra . ... Compared to Pluto and its large moon Charon, at 2,360 and 1,210 kilometers in diameter respectively, Nix (inner moon) and Hydra (outer moon) are tiny, estimated to be only 40 to 160 kilometers across. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Diagrams showing the familiar inner Solar System, outer planets and Kuiper Belt (plus Pluto), Sedna?s orbit and the beginning of the Oort Cloud (Image credit: NASA) . ... At its closest to the Sun, Sedna is about 76 AU from our star, at furthest some 937 AU.€а Sedna and VP113 are believed to be escapees from the Oort Cloud. ... Almost certainly, in the years to come astronomers will find more large worlds between the Kuiper Belt and Oort Cloud. ...

... Image courtesy of Korea Astronomy and Space Science Institute . ... There are already 29 multi-planet extrasolar planetary systems discovered (including this last one), so what makes this particular system unique? ... International Year of Astronomy, Ireland National Node . ...

The basic problems of the Laboratory are connected with researches of dynamics of minor planets and comets. ... THE ORBIT IMPROVEMENT of minor planets from optical and radar observations, . the utilization of minor planet observations for THE DETERMINATION OF ORIENTATION OF STAR CATALOGUES and DETERMINATION OF MASSES OF MINOR PLANETS BY DYNAMICAL METHOD, . THE ESTIMATION OF COLLISION PROBABILITY of minor planets with other bodies and with each other, . ...

... 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). ...

... This artist's impression shows the remarkable planetary system around the Sun-like star HD 10180 five planets and evidence for two more. ... Richest Planetary System Discovered . ... This remarkable discovery also highlights the fact that we are now entering a new era in exoplanet research: the study of complex planetary systems and not just of individual planets. ... The newly discovered system of planets around HD 10180 is unique in several respects. ...

... 9a. Earth orbits Sun? . ... 10a. Scale of Solar Sys. ... If the mean distance of Earth from the Sun is 1 AU ("Astronomical Unit"), then that of Venus is 0.723 AU, of Mercury 0.387 AU and that of Mars is 1.524 AU. ... By noting (1) where on the Sun's disk is the crossing seen, (2) timing its duration at two far-apart points on Earth, and (3) comparing the times, one can calculate the distance to Venus and from it the scale of the solar system. ... One occurred in 1639--too early. ...

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 . ...

Geotimes -- November 2005 -- Two more moons for "planet" Pluto http://www.geotimes.org/nov05/WebExtra110305.html Web Extra Thursday, November 3, 2005 Two more moons for Pluto When the New Horizons spacecraft finally reaches Pluto in July 2015, researchers will have more objects to study than previously thought. In addition to Pluto's confirmed moon Charon, astronomers have detected two more orbiting celestial bodies, which could help reveal how the planet and moon system formed. ...

. Mars has become the center of intense interest since the Martian Meteorite results were announced. Currently there is a lively debate whether or not primitive life formed there or not.

Views of the Solar System . ... V iews of the Solar System presents a vivid multimedia adventure unfolding the splendor of the Sun, planets, moons, comets, asteroids, and more. ... Views of the Solar System offers enhanced exploration and educational enjoyment of the solar system and beyond. ... Sun . ... Asteroids . Comets . ... History . ... Satellite Data . ... Browser . ... Credits . ... Solar System Introduction . ... Sun, Planet & Satellite Data | Planetary Data Browser | ...

The small planets (asteroids) are the Solar system solids with diameter from 1 to 1000 km. ... It was discovered in 1949, its diameter is about 1km. The orbit is nearly crossed with the Earth’s orbit and while the maximum approaching of these bodies the distance between them is about 7 million km. such approaching of Ikar and the Earth occurs once 19 years (the last was in 1987). Ikar a small planet №1566) diameter is about 1 km, discovered by B. Baade (USA, 1949). ...

... This talk will present discoveries of new transiting planets and low mass stars, and the characterisation of their fundamental properties: mass, radius, temperature, and composition. ... The planets discovered by HATSouth orbit a diverse range of host stars, and the candidates identified have a wide range of orbital periods. ... These observations represent some of the highest precision near-infrared time-series photometry performed from the ground, and probe a diverse range of planet atmospheres. ...

... PUBLIC LECTURE - APRIL 12, 2016 . New Discoveries in the Outer Solar System: Ceres, Pluto and Planet X . ... Dr. Green will talk about "New Discoveries in the Outer Solar System: Ceres, Pluto, and Planet X". ... Beginning in 1992 planetary astronomers began to find Pluto like objects beyond the orbit of Neptune showing us that Pluto was a member of an entirely new family of objects we now call the Kuiper Belt. ... Amateur Astronomers Association of Princeton, Inc., ...

. Dedicated to 40th anniversary of the . first artificial Earth satellite launch . Russian (Win) .

... Newfound frozen world orbits in binary star system . A study provided the first evidence that terrestrial planets can form in orbits similar to Earth s, even in a binary star system where the stars are not far apart. ... This artist's rendering shows a newly discovered planet (far right) orbiting one star (right) of a binary star system. ... At twice the mass of Earth, the planet orbits one of the stars in the binary system at almost exactly the same distance at which Earth orbits the Sun. ...

Image credit: Michael Nolan, Arecibo Observatory. These radar images of near-Earth asteroid 2001 SN263 were obtained on 2008 Feb 12 and 13. ... Image from Feb 12 . ... First near-Earth triple asteroid discovered by Arecibo Observatory . ... was discovered this week by astronomers at the sensitive radar telescope at Cornell University?s Arecibo Observatory in Puerto Rico. ... For example, Arecibo has discovered more than half of the near-Earth binary asteroid systems discovered since 1999. ...