Solar altitude, Azimuth, Geography longitude, latitude, altitude, cloud coverage, atmospheric transparency.

太阳高度角，太阳方位角，地理经度纬度，海拔高度，云量，大气透明度。

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"It's a little jet, then it takes off," said solar physicist Scott McIntosh of the National Center for Atmospheric Research's High Altitude Observatory.

“它是一束小喷流，随后就逸散了。”美国国家大气研究中心高海拔观测站的太阳物理学家Scott McIntosh如是说。

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The most promising initiatives near term, he thinks, include solar thermal, high-altitude wind power and deep drilling to tap geothermal power.

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AeroVironment also established world altitude records with its solar-electric, unmanned aircraft systems at the U.S. Navy Pacific Missile Range Facility at Barking Sands on Kauai.

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The satellite - which had been intended to study the effects of climate change - should have separated from the rocket and deployed its solar panels some nine minutes after take-off, at an altitude of 302km.

BBC: South Korea rocket 'explodes' moments after take-off