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...es in and out the atmosphere. '''Glide''' is a flight trajectory where the spacecraft stays in the atmosphere for a sustained flight period of time.<ref name="Sä ...Command Module]] also used what is essentially a skip re-entry, as did the Soviet [[Zond program|Zond]] and Chinese [[Chang'e 5-T1]]. ...

During the 20th century, Russian and Soviet scientists were among the world leaders in physics. [[Alexander Friedmann]] ...f Sciences]] in [[Saint Petersburg]]]] A number of achievements of Russian/Soviet scientists remained unknown to general public due to security consideration ...

...rl = https://web.archive.org/web/20100527144930/http://saturn.jpl.nasa.gov/spacecraft/safety/rhu.pdf|archive-date = May 27, 2010}}</ref> ...(NaK) alloy droplets similar to those released in high Earth orbit by the Soviet RORSAT program's fission reactors.}} ...

{{Short description|Space service branch of the U.S. military}} {{Infobox military unit ...

| <small>[[Cygnus spacecraft|Cygnus]] launcher.</small><br /><small>{{abbr|Var.|Variants}}: 110, 120, 13 | <small>Launched [[Juno (spacecraft)|Juno]] & [[New Horizons]]</small> ...

...rk on avoiding comet or asteroid collisions with Earth and on interstellar spacecraft propulsion. Shortly after the breakup of the Soviet Union, Solem led a U.S./Russia joint collaboration of scientists in an effo ...

*Relocation of the [[Manned Spacecraft Center]] (now the [[Johnson Space Center]]) from [[Langley Field]] to [[Hou ...d installing a three-point harness-release system similar to those used in military aircraft.<ref name="Grimwood 2">{{Source attribution}} {{cite book |title=P ...

...s, including [[Balkhash Lake|Balkhash]] and [[Issyk Kul]], a head of the [[Soviet Geographical Society]] *'''[[Grigory Gamburtsev]]''', major Soviet [[seismologist]], invented a number of seismological methods and devices ...

...tware Associates|access-date=17 November 2015}}</ref> The point at which a spacecraft comes closest to a ground observer is the ''time of closest approach''.<ref ...Drag (physics)|drag]] slows the [[spacecraft]]. Aerobraking is used when a spacecraft requires a low orbit after arriving at a body with an atmosphere, and it re ...

...]] was accelerated for the [[Soviet atomic bomb project]] and the emerging Soviet [[Nuclear power|nuclear industry.]] Forced labor was used. Initially, these ...00 uranium miners employed by [[Wismut (company)|Wismut AG]] in the former Soviet occupation zone of East Germany were exposed to very high levels of radiati ...

...ld of [[engineering]] concerned with the development of [[aircraft]] and [[spacecraft]].<ref>''Encyclopedia of Aerospace Engineering''. [[John Wiley & Sons]], 20 ...lations from) Soviet-era Russian literature, e.g. Sagitov (1970 [1969]), ''Soviet Physics: Uspekhi'' 30 (1987), Issues 1–6, p. 342 [etc.]. ...