... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...

. In March 2006, the Mars Reconnaissance Orbiter will fire its main engine for 25 minutes so Mars' gravity can capture it. The spacecraft will use Mars' atmosphere to aerobrake for the next 6 months before reaching its final orbit, where it will begin science operations. NASA

... 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! ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... News . ... The rocket and space system Zenith-3SLB consisting of a launch vehicle (LV) Zenit-2SB with the upper stage Block DM-SLB has put the 3.2-ton telecommunications spacecraft Intelsat 18 into its target geotransfer orbit. ... The mission analysis was conducted by RSC Energia specialists within the Lead Operations Control Team working at the Mission Control Center for upper stages and unmanned spacecraft (RSC Energia at Korolev). ...

... In spite of the fact that the orbit assumes a zero gravity (the scientists count on it by growing super-clean crystals and other materials impossible on the earth), in fact, none spacecraft provides such conditions. ... This question is answered by the device developed by SSAU scientists - Micro-acceleration Compensation Space System (MCSS). ... Then, the computer will give commands to the magnets that compensate micro-accelerations. ... Tags: 'photon-m4' mcss . ... SAMARA STATE AEROSPACE UNIVERSITY...

With this knowledge of orbits, we are ready to plan a trip to Mars. ... The spacecraft will already have the 107,000 kilometers per hour (66,500 miles per hour) speed of Earth, whereas Mars moves at only 86,900 kilometers per hour (53,900 miles per hour). ... A speed of about 42,000 kilometers per hour will be enough to escape the Earth's gravity and, when added to the Earth's orbital speed around the Sun, put the spacecraft on a Hohmann transfer orbit to the Red Planet. ... 1,570,000 . ... Earth . ...

Mariner 10 . ... Mariner 10 was the seventh successful launch in the Mariner spacecraft series, and the first to use the gravitational pull of one planet ( Venus ) to reach another ( Mercury ). ... It measured 1.39 meters (4.56 feet) diagonally and 0.457 meters (1.5 feet) in depth. ... Views of Mariner 10 . ... Venus/Mercury Mission . ... Launched in November 1973, this mission provided new information about Mercury and Venus in the Mariner program's first dual-planet mission. ...

National Aeronautics and Space Administration . Lyndon B. Johnson Space Center . ... SHANNON W. LUCID (Ph.D.) . nasa astronaut (former) . ... She is qualified for assignment as a mission specialist on Space Shuttle flight crews. ... A veteran of five space flights, Dr. Lucid has logged 5,354 hours (223 days) in space. ... Dr. Lucid retired from NASA in January 2012. ... In completing this flight, Dr. Lucid logged 838 hours and 54 minutes in space. ... FEBRUARY 2012 ...

... Venus: Just Passing By . ... Credit: Galileo Project , JPL , NASA Explanation: Venus, the second closest planet to the Sun , is a popular way-point for spacecraft headed for the gas giant planets in the outer reaches of the solar system. Why visit Venus first? ... The Saturn-bound Cassini spacecraft just completed its own flyby of Venus on April 26 . ... Publications with keywords: cassini spacecraft - Venus - Galileo . Publications with words: cassini spacecraft - Venus - Galileo . ...

... Data access . ... Updated data on the current orientation of the spacecraft Coronas-Photon in the ecliptic coordinate system. ... Data are updated 4 times a day. download the data for three months . download the data for all time . download the data for three months . ... The TESIS observatory (LPI) . TESIS: www.tesis.lebedev.ru . 1953-2016 Laboratory of X-ray astronomy of the Sun, LPI RAS, Russia . ... 7(499)132-65-96, Fax: +7(499)132-65-97 . ...

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): . ...

... September 11, 1997 . Mars Global Surveyor: Aerobraking . Credit: MGS , JPL , NASA . ... The Mars Global Surveyor (MGS) is scheduled to fire its main rocket engine for 22 minutes at 6:17 p.m. PDT and enter a highly elliptical orbit , with a low point 186 miles and a high point 34,800 miles above the surface of Mars . ... To successfully use aerobraking, mission controllers must achieve an exact orbit and will be handicapped by a limited knowledge of the thickness of the Martian atmosphere . ...

... Centrifuge . ... The major factor of the orbital flight, affecting a cosmonaut, is a weightlessness state, which causes essential changes in cardiovascular and vestibular systems operation. ... In addition, you can experience a long-term G-load in a desirable value and direction, including simulation of the typical test profiles for fighter - pilots and cosmonauts. ... Info: Industry news On-line Data Company ATLAS news Events We in press Contact . Copyright 2000-2016 ATLAS Aerospace . ...

. The XMM-Newton website has moved to the following location: . http://www.cosmos.esa.int/web/xmm-newton

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . ... Science Fiction . ... February . ... By admin January 12, 2015 Posted in: Armagh Planetarium . Train to be a space hero at Armagh Planetarium (Image credit: NITB-used with permission) . Armagh Planetarium is pleased to announce that for a week during the Northern Ireland Science Festival Science festival we will help you inspire a would-be astronaut in your classroom! ... Where : Armagh Planetarium . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Site Info . ... It is from from Voyager 1 and shows a whopping big impact crater dominating the profile of the moon. Note that Mimas is about 400 kilometers across (about 250 miles). ... The wall around the crater is 5 kilometers high, and that central peak rises 6 kilometers above the surface (many impact craters have a large central peak which is caused by a pressure rebound from the impact). ... 2008 Phil Plait. ...

History of an outer space exploration . ... The first space rockets . ... In space where there is no air, the engine which is not using air, i.e. the rocket installation is necessary for a flight vehicle. ... The Tsiolkovsky has understood, that firm kinds of fuel are not suit for space flights and has offered to use rocket engines on liquid fuel. ... Tsiolkovsky made a great contribution to the theory of rocket flight. ... From a satellite of the Earth before lunar landing . ...

... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

NEWS FEDERATION rus ENCYCLOPEDIA rus HISTORY rus MIR STATION RUSSIAN . ... Cosmonauts. ... Military Space . ... Space Biology And Medicine . ... Enigmatic Voyage Of Kosmos 2387 . Kosmos 2387, the latest Kobalt reconnaisance satellite, displayed somewhat unusual orbital behavior. ... With a high degree of certainty one may state that two satellites launched last October are part of the Space-Based Wide Area Surveillance System - Consolidated Program. ...

... PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Black hole accretion versus star burst episodes: what is the engine of powerful active galaxies? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... ESO HST Image Galleries . ... The aim of this research project is to understand the emission mechanism(s) in these active galaxies: . how much power is ultimately due to accretion onto supermassive black holes and how much is due to star formation processes ? ...