RadioAstron

(ray-dee-oh-ass -tron, rad-ee-) An international collaborative mission to launch a 10-meter diameter radio telescope into an elliptical orbit (apogee 80 000 km, period 28 hours) around the Earth. The dish is made from 27 carbon-fiber petals with a surface accuracy of 0.5 mm. RadioAstron is designed to carry out VLBI observations in conjunction with ground-based telescopes, operating at wavelengths of 1.35, 6, 18 and 92 cm with an angular resolution of up to 30 milliarcseconds.

Initiated in the former Soviet Union, the project now has support from more than 20 countries and is planned for launch around 2003.

单词	radioastron
释义	RadioAstron RadioAstron (ray-dee-oh-ass -tron, rad-ee-) An international collaborative mission to launch a 10-meter diameter radio telescope into an elliptical orbit (apogee 80 000 km, period 28 hours) around the Earth. The dish is made from 27 carbon-fiber petals with a surface accuracy of 0.5 mm. RadioAstron is designed to carry out VLBI observations in conjunction with ground-based telescopes, operating at wavelengths of 1.35, 6, 18 and 92 cm with an angular resolution of up to 30 milliarcseconds. Initiated in the former Soviet Union, the project now has support from more than 20 countries and is planned for launch around 2003.
随便看	alternatives to compressor cooling alternatives to icann alternatives to incarceration alternatives to incarceration program alternatives to marriage project alternatives to violence project international alternative strategies for tax administration alternative strategy advisers llc alternative support for induction science teachers alternative sweetener alternative system of control alternative systems alternative systems review alternative tariff alternative tax net operating loss alternative tax net operating loss deduction alternative tea alternative technologies and approaches alternative technology alternative test system belt and braces belt-and-braces belt and road initiative belt and suspenders belt and suspenders approach