Astro-G | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-26

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Astro-G


00:01:12 1 Science targets
00:01:49 2 See also



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SUMMARY
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ASTRO-G (also known as VSOP-2, and very rarely called VSOP-B) was a planned radio telescope satellite by JAXA.  It was expected to be launched into elliptic orbit around Earth (apogee height 25,000 km, perigee height 1,000 km).Astro-G was selected in February 2006 against the competition of a proposed new X-Ray astronomy mission (NeXT) and a proposed solar sail mission to Jupiter.
Funding started from FY 2007 with a budget of 12 billion yen, around 100 million US dollars.
It was planned to be launched in 2012 but a technical difficulty of dish antenna as well as the budget constraint lead to put the development on hold for fiscal year 2010.  Eventually the project was canceled in 2011 for the increased cost and the difficulty of achieving science goals.It was planned to feature a 9 m diameter dish antenna to observe in 8, 22 and 43 GHz bands, it will be used in a combination of ground radio telescopes to create Very Long Baseline Interferometry.  It was expected to achieve ten times higher resolution and ten times higher sensitivity than its predecessor HALCA.