A comet’s changing colors. The team of researchers, led by Gianrico Filacchione of the National Institute for Astrophysics (INAF) in Italy, ...

Not long ago, the Internet was speculating that Comet 67P was on the reddish side, but a new image from the European Space Agency shows the comet goes for gray.

Some comet-watchers are guessing this new OSIRIS picture is the first true-color image of the comet to be released. However, the ESA has previously described the comet as "extremely dark" and ...

Comets are made out of a mix of rocky components, similar to what makes up the Earth's mantle, dust, and ices. Ice doesn't just mean water-ice (H2O), but also volatile components like dry ice ...

The Rosetta spacecraft's rubber ducky comet has slowly changed color as it moved through space, from red to blueish and then red again. According to a new paper published Feb. 5 in the journal ...

Comet PANSTARRS provides an opportunity to test your eyes' color receptors. ... Comet color and you. March 2013: Take this month's observing opportunity to test out your eyes’ color receptors.

Well, there it is. Comet 67P/C-G in the technicolor spectrum you'd see if you could gaze upon it with your own eyeballs. Surprise, surprise: The comet is gray.

The first color image of the comet C/2019 Q4 (Borisov), which astronomers believe to be the first known interstellar comet ever identified, was captured by the Gemini North telescope at Hawaii's ...

Comets, for example take on a green hue because of the gas tail that forms as they approach the Sun. Most of the gas consists of hydrogen, but other compounds such as cyanide (CN 2 ) and carbon (C ...

As the comet zooms around the sun, clouds of gas and dust billow and settle, surrounding the comet in a haze of shifting colors visible to telescopes. Different parts of the comet tend to reflect ...