Day by day Telescope: An incredible, colourful view of the Universe

Day by day Telescope: An incredible, colourful view of the Universe

Going deep —

Check out two clusters of galaxies which are colliding.


This panchromatic view of galaxy cluster MACS0416 was created by combining infrared observations from the NASA/ESA/CSA James Webb Space Telescope with visible-light data from the NASA/ESA Hubble Space Telescope.

Enlarge / This panchromatic view of galaxy cluster MACS0416 was created by combining infrared observations from the NASA/ESA/CSA James Webb Area Telescope with visible-light information from the NASA/ESA Hubble Area Telescope.

Welcome to the Daily Telescope. There’s a little an excessive amount of darkness on this world and never sufficient mild; slightly an excessive amount of pseudoscience and never sufficient science. We’ll let different publications give you a each day horoscope. At Ars Technica, we’ll take a special route, discovering inspiration from very actual photographs of a universe that’s stuffed with stars and marvel.

Good morning. It’s November 13, and at present we’re touring 4.3 billion light-years away from Earth, to a cluster of galaxies referred to as MACS0416. This distant object, which seems to be two galaxy clusters which are colliding with each other, was first found in photographs captured by the Hubble Area Telescope.

Hubble, after all, introduced “deep discipline” astronomy alive by publishing images with 1000’s of galaxies. Now, by combining Hubble observations with the brand new James Webb Area Telescope, NASA and its companions have produced an excellent deeper discipline picture. The ensuing panchromatic picture, which mixes seen and infrared mild, provides us one of the complete views of the Universe ever obtained.

This is slightly bit extra from NASA about how this picture was composed:

To make the picture, basically the shortest wavelengths of sunshine had been color-coded blue, the longest wavelengths pink, and intermediate wavelengths inexperienced. The broad vary of wavelengths, from 0.4 to five microns, yields a very vivid panorama of galaxies.

These colours give clues to galaxy distances: the bluest galaxies are comparatively close by and sometimes present intense star formation, as finest detected by Hubble, whereas the redder galaxies are typically extra distant and are finest detected by Webb. Some galaxies additionally seem very pink as a result of they include copious quantities of cosmic mud that tends to soak up bluer colours of starlight.

If this all makes you’re feeling slightly bit smaller, that is OK.

Supply: NASA, ESA, CSA, STScI.

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