High resolution visible earth observation on the Geostationary earth orbit (GEO) has a series of unique advantages over that in the other orbits.

在地球静止同步轨道(GEO)上实现高分辨力对地观测，具有一系列独特优点，远为其它轨道所不及。

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Abstract : High resolution visible earth observation on the Geostationary Earth Orbit(GEO) has a series of unique advantages over that in the other orbits.

摘要 ： 在地球静止同步轨道（GEO）上实现高分辨力对地观测，具有一系列独特优点，远为其它轨道所不及。

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On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

在地球上，人们认为，表明太阳黑子周期最可靠的迹象之一是树木的生长速度，就像树干横截面上可见的年轮一样。

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NASA's George Diller said the station is easily visible from Earth because it is more than "It is a large object, getting bigger all the time."

VOA: standard.2010.04.05

After analysing an unusual but temporary increase in Titan's brightness, Dr Griffith concluded that the most likely explanation was the presence of a thick, reflective cloud, covering roughly 9% of the part of Titan's surface then visible from earth.

ECONOMIST: Comparative meteorology

The asteroid was only visible from some regions on Earth.

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Piles of burnt rubble and scorched earth were clearly visible.

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