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In observational astronomy, the observation arc (or arc length) of a Solar System body is the time period between its earliest and latest observations...

Luna 10 (or Lunik 10) was a 1966 Soviet lunar robotic spacecraft mission in the Luna program. It was the first artificial satellite of the Moon. Luna 10...

The ekpyrotic universe (/ˌɛkpaɪˈrɒtɪk/) is a cosmological model of the early universe that explains the origin of the large-scale structure of the cosmos...

ASCAMP is a sub-orbital sounding rocket that was built in 1956 by the Cooper Development Company. This was a two-stage vehicle that could reach an altitude...

Ariel is a suborbital launch vehicle being developed by Australian private space company Gilmour Space Technologies, for use as a sounding rocket. The...

Solarsoft is a collaborative software development system created at Lockheed-Martin to support solar data analysis and spacecraft operation activities...

Cavea-B is a mixture of 1,4-Diaza-1,2,4-trimethyl bicyclo[2.2.2]octane dinitrate, dissolved in white fuming nitric acid. It was researched during the 1960s...