Errymath: Gaofen-2

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Xinjiang Changji Hutubi County valley "of the earth's muscle"<br />
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Gaofen-2, Earth observation satellite<br />
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Heweliusz, Polish science satellite

Photo taken by GF-1 (Gaofen-1) High-resolution Imaging Satellite

Xinjiang Changji Hutubi County valley "of the earth's muscle" 　　 Gaofen-2, Earth observation ...

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The Gaofen-2 was launched from the Taiyuan Satellite Launch Center in 
north China's Shanxi Province at 11:15 a.m. Beijing Time. It was boosted
 by a Long March-4B carrier rocket.<br />
China successfully launched a high-definition Earth observation 
satellite into orbit on Tuesday, August 19, according to the State Administration 
of Science, Technology and Industry for National Defense (SASTIND).<br />
It will be used for geographic and resources surveys, environment and 
climate change monitoring, precision agriculture, disaster relief and 
city planning.<br />
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<u><b>Photos shot with High-resolution multi-spectral camera 
technology.</b></u><br />
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Images of Lop Nur lake located between the Taklamakan and Kumtag deserts
 in the southeastern portion of Xinjiang Uygur Autonomous Region<br />
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Pictured Changji Hutubi Valley<br />
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Dongying estuary beach<br />
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Successfully sent its Gaofen-2 satellite into its
 orbit 600,000 meters high. The two cameras on the satellite have the 
highest resolution of one meter at such a height. It is higher than 
those on Gaofen-1 satellite China launched in April 2013.<br />

According to experts, the resolution of one meter means the satellite
 is able to discern the outline of an object on earth of the size of one
 meter. It is definitely able to discern the size of a car on the ground
 from more than 600 km away.<br />

Pan Teng, chief engineer of Gaofen-2 Satellite System said that the 
satellite can provide full-color photo covering an area 45 km wide. It 
is the widest area a satellite of similar function can cover.<br />

However, it does not mean that the higher resolution the better the 
satellite. It depends on the user’s needs. For estimate of the output of
 crops in agriculture or survey of mineral resources, there is no need 
for such high resolution. There has already been Gaofen-1 satellite with
 lower resolution.<br />

However, with higher resolution, Gaofen-2 will be able to provide 
resource survey and monitor, meticulous urban management, comprehensive 
traffic services, forestry survey and surveillance, etc. China no longer
 needs to purchase photos of those kinds from abroad. Moreover, the 
satellite sends the data its cameras collect immediately down to the 
earth to be processed into photos.<br />

Gaofen-1 launched previously played an important role in the current 
work of earthquake relief at Ludian, Yunan Province. Now, Gaofen-2 will 
play an even better role due to its better motility. It can swing 35 
degrees on each side bigger than the 20-degree swing each side Gaofen-1 
can achieve. This enable it to provide fuller views of the disaster 
area.<br />

Source: <span class="skimlinks-unlinked">huanqiu.com</span> “Bare the
 mystery of China’s Gaofen-2 satellite, able to clearly see a car from a
 height of 600,000 meters” (summary by Chan Kai Yee)</div>

Gaofen-2 a high-definition Earth observation satellite was launched

The Gaofen-2 was launched from the Taiyuan Satellite Launch Center in north China's Shanxi Province at 11:15 a.m. Beijing Time. It wa...

Errymath

Photo taken by GF-1 (Gaofen-1) High-resolution Imaging Satellite

Gaofen-2 a high-definition Earth observation satellite was launched

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