... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... Flights Chronology . ... ISS Russian Segment . ... Sea Launch . ... In parallel, the tasks were pursued to implement work on RT-2 assuming the development of a ballistic rocket with a warhead flight range from 10 000 to 12 000 km and a combat charge mass of up to 500 kg. ... Contribution of RSC Energia to the Russian Rocket-Space Technology . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . ... Godspeed John Glenn": A reminder of the days when NASA could send astronauts into orbit. Image credit: NASA) . Watched by a TV audience of 100 million, the Atlas functioned beautifully and Glenn became the first American (and third human; Gagarin and Titov preceded him) in orbit. ... No female astronaut flew on a NASA mission until Sally Ride?s flight in 1983, by then Glenn had changed his position. ...

... Star Atlas . ... stars . ... Nuclear fusion of hydrogen into helium powers stars, but fusion requires a lot of energy. Where does this energy come from? ... You re in good company: This question also stumped the physicists who first tried to understand nuclear fusion in stars. In a star s core, all atomic nuclei have been separated from their electrons, so each hydrogen atom is really just a proton and thus holds a positive charge. ... Get instant access to subscriber content on Astronomy.com! ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. February 12, 1999 . Lunar Close-Up . ... Explanation: Late last month, NASA's Lunar Prospector spacecraft moved in for a closer look at the Moon . Now entering an extended mission phase, controllers have reduced the altitude of this polar lunar orbiter from 100 kilometers to about 30 kilometers ( 18 miles ). ... About APOD > . ...

Since the days of Sputnik and Explorer 1, thousands of spacecraft have gone into space, some of them carrying human passengers. The first person to orbit the Earth was the Russian Yuri Gagarin, on April 12, 1961. The first American to do so was John Glenn, who completed three orbits on February 20, 1962; more than 26 years later, at age 77, Glenn returned to space aboard the space shuttle. ... in orbit. ... Manned satellites include various " space stations " intended for long-term residence. ...

Many entry fields permit sexagesimal entry (h:m:s.s or :':"). ... Sexagesimal entry is flexible in that you can specify one to three fields, as you desire. ... Offset and duration entry widgets assume that a single field is decimal arc-seconds or seconds ('.' or s.s) and two fields are (arc) minutes and seconds (':"." or m:s.s). ... You may specify one to three fields. ... Note: sexagesimal positions are entered in the same fashion, but a single field is decimal hours or degrees (h.h or . ...

... It seems that we are having teething problems with the new reference pointing capabilities. ... But it does not have some fixes for VEX problems that will affect CMVA runs. ... The changes here are not significant for users not attempting reference pointing with AUTOPEAK or other mechanism that invokes setup files with FORMAT=NONE . ... 07 Feb 2001 RCW . ... And this time, it only affects VEX users. ... Remove the ``*'' from a the names of many pointing sources in sources.pointing and peak.cmd . ...

... AAC , February 18th Explanation: You no longer have to wake-up early to see Comet Hale-Bopp . From many northern locations, you can now go outside just after sunset and see Comet Hale-Bopp above the north-western horizon . ... Comet Hale-Bopp 's coma now rivals even last year's Comet Hyakutake, and the tail appears to be increasing in length daily. ... Publications with keywords: Comet Hale-Bopp . Publications with words: Comet Hale-Bopp . ... The Dust and Ion Tales of Comet Hale-Bopp . ...

... Launch Date: 1972-02-14 . ... Luna 20 was placed in an intermediate earth parking orbit and, from this orbit, was sent towards the Moon. It entered lunar orbit on February 18, 1972. ... While on the lunar surface, the panoramic television system was operated. Lunar samples were obtained by means of an extendable drilling apparatus. ... Drill . ... The drill penetrated to a depth of 250 millimeters (10 inches) in the lunar surface, and its contents were returned to earth on February 25, 1972. ...