这作品来自“dailyoverview”,空看地球每一角落,惊讶之余,这些作品展示了地球另一种“美”。 1 Niagara Falls is the collective name for three waterfalls that straddle the border between Ontario, Canada and the United States. 2 Barcelona, Spain 3 Cars are unloaded an ...
The International Space Station completes an orbit of our planet every 92 minutes- 16 circumnavigations a day. The ISS is a busy scientific laboratory and Nasa budgets zero time for photographing Earth, but there are dozens of cameras on board and astronauts use them daily. Astronaut Chris Hadfield' ...
NASA 好奇号发现一个完美的“圆形岩石”,在这个红色的星球上。 在照片中,可以清楚地看到火星地表上,竟然有一颗“圆球”,表面非常平滑,很圆整。不太像是自然产生而成,让人怀疑这会不会是某种“外星生物”的杰作。 至于形状为什么会是圆的呢? NASA 喷气推进实验室(JPL)科学家表示,这或许是“Martian concretion”的 ...