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Water vapour has been spotted being ejected from a newly forming star

20 Aug 2018, 08:42 UTC
Water vapour has been spotted being ejected from a newly forming star ALMA (ESO/NAOJ/NRAO): NRAO/AUI/NSF, B. Saxton

The ALMA (Atacama Large Millimetre/submillimetre Array) telescope in Chile has transformed how we see the universe, showing us otherwise invisible parts of the cosmos. This array of incredibly precise antennas studies a comparatively high-frequency sliver of radio light: waves that range from a few tenths of a millimetre to several millimetres in length. Recently, scientists pushed ALMA to its limits, harnessing the array’s highest-frequency (shortest wavelength) capabilities, which peer into a part of the electromagnetic spectrum that straddles the line between infrared light and radio waves.

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