Indeed, from a purely spectroscopic point of view, there is, in effect, now a continuum.

ECONOMIST: Twinkle, twinkle, giant planet

Spectroscopic analysis of the atmospheres of gaseous planets such as Jupiter suggested the ingredients used were abundant.

ECONOMIST: Stanley Miller

With followup spectroscopic measurements that broke up the light into its constituent wavelengths, the astronomers identified one very faraway galaxy.

MSN: Newfound galaxy may be most distant ever seen

Y-class star, at least from a spectroscopic point of view.

ECONOMIST: Twinkle, twinkle, giant planet

Spectroscopic images of those rocks taken with the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) showed that they were composed of minerals that only form in the presence of water.

FORBES: NASA Finds Remains Of Ancient Martian Lake

Dr Stern and his colleagues used the Nuclear Spectroscopic Telescope Array (Nustar) space telescope to examine the X-rays coming out of the black hole candidates spotted by Wise, presenting their findings in a paper to appear in Astrophysical Journal.

BBC: Supermassive black holes and hot galaxies in giant haul