Messier 78 is a nursery of star formation enveloped in a shroud of interstellar dust located 1,300 light-years away from Earth. Using its infrared camera, Euclid exposed hidden regions of star formation for the first time and mapped complex filaments of gas and dust in unprecedented detail.
ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre , G. Anselmi; CC BY-SA 3.0 IGO or ESA Standard Licence . Dark matter is an invisible substance five times more common in the universe than “regular” matter but with an unknown composition. “Dark energy” is the name given to the unknown source causing the universe to expand faster and faster.
ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre , G. Anselmi; CC BY-SA 3.0 IGO or ESA Standard Licence The telescope uses two instruments that detect different wavelengths of light: the visible-light imager and the near-infrared spectrometer and photometer . Foreground galaxies emit more light in visible wavelengths , while background galaxies are typically brighter in infrared wavelengths.