科学与环境

How to spot November's planetary parade in the pre-dawn sky

来源: feeds.bbci.co.uk · 发布于

How to spot November's planetary parade in the pre-dawn sky
来源: feeds.bbci.co.uk

The planets of Mercury, Venus, Mars and Jupiter will align in pre-dawn sky throughout November.

The planets of Mercury, Venus, Mars and Jupiter will align in pre-dawn sky throughout November.

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Molecular sensor makes invisible traces of mercury easier to see
科学与环境

Molecular sensor makes invisible traces of mercury easier to see

Mercury contamination presents an obvious challenge: it is invisible. A glass of water or a piece of fruit can seem perfectly normal to the naked eye, even when trace amounts of toxic mercury are present. Detecting such minute levels usually requires specialized laboratory tools

Phys.org - latest science and technology news stories ·

Mysterious gas leaks suggest Mars may still be volcanically alive
科学与环境

Mysterious gas leaks suggest Mars may still be volcanically alive

Mysterious gas emissions and fresh volcanic fissures suggest that Mars may not be geologically dead after all, with hot magma potentially still active deep underground. The discovery could point to hidden pockets of warmth and chemical energy capable of supporting microbial life

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