When Dr Koechlin and his team pointed 12 it at Mars they could distinguish that planet's two tiny moons-a task which would require a Newtonian telescope with a mirror at least 30cm across.

当凯什兰博士和他的团队观测火星时，他们可以分辨火星的两个微小卫星——这样的任务如果是利用牛顿的望远镜则需要一个直径最少长达30厘米的镜面。

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When Dr Koechlin and his team pointed it at Mars they could distinguish that planet's two tiny moons a task which would require a Newtonian telescope with a mirror at least 30cm across.

ECONOMIST: The search for alien life

Via astronomer Salman Hameed at Irtiqa, this encouraging item from the Express Tribune about a young student in Okara, Pakistan, who built his own Newtonian telescope from scratch.

FORBES: Pakistani Recreates Newton's Telescope