It looks a bit like neon artwork from the '80s. But what the image above really shows is much, much cooler.
, a really oddball star located around 1,460 light-years away. Spectral analysis revealed the most elements ever seen in a star's atmosphere, a whopping 65 – most of which were heavy elements that can only form in extremely energetic events, such as aThat means that HD 222925, which is in a very late stage at the end of its life, probably formed from a cloud that was rich in these elements in the first place, seeded by the deaths of stars that had come before it.
The commissioning phase comes next, in which scientists and technicians will put GHOST through its paces to make sure the instrument is performing as intended. Once that stage is complete, and any further adjustments made, GHOST will be ready for scientific observation, probably around the first half of next year.
That will be something to look forward to. GHOST, which took 10 years to construct, is 10 times more powerful than Gemini's other major optical spectrograph, GMOS. It is, scientists say, the most powerful and sensitive spectrograph of its kind currently in operation on comparable telescopes. It's expected that GHOST will be able to provide fascinating insights on stars identified as interesting targets by other telescopes and surveys, and deliver us many more stars, split into their constituent wavelengths – beautiful 'star-bows' that will hopefully unlock many hidden secrets of the Milky Way.
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