JWST Takes Its First Image of an Exoplanet By Nancy_A
This is not the first direct image of an exoplanet taken from space. Over 20 exoplanets have been imaged previously by the Hubble Space Telescope and ground-based telescopes like the Gemini Planet Imager. But this first exoplanet image from JWST showcases the upcoming possibilities for studying distant worlds.The new observations of this planet were part of, which allows astronomers – and the public – to have immediate access to early data from specific science observations by JWST.
This image shows the exoplanet HIP 65426 b in different bands of infrared light, as seen from the James Webb Space Telescope: purple shows the NIRCam instrument’s view at 3.00 micrometers, blue shows the NIRCam instrument’s view at 4.44 micrometers, yellow shows the MIRI instrument’s view at 11.4 micrometers, and red shows the MIRI instrument’s view at 15.5 micrometers. These images look different because of the ways the different Webb instruments capture light.
HIP 65426 b planet is more than 10,000 times fainter than its host star in the near-infrared, and a few thousand times fainter in the mid-infrared., the planet appears as a slightly differently shaped blob of light. That is because of the particulars of Webb’s optical system and how it translates light through the different optics.
One of the keys for JWST’s observations is its ability for spectroscopy, which is the science of measuring the intensity of light at different wavelengths. When a planet passes in front of a star, the starlight passes through the planet’s atmosphere.
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James Webb Space Telescope snags its 1st direct photo of an alien worldTereza is a London-based science and technology journalist, aspiring fiction writer and amateur gymnast. Originally from Prague, the Czech Republic, she spent the first seven years of her career working as a reporter, script-writer and presenter for various TV programmes of the Czech Public Service Television. She later took a career break to pursue further education and added a Master's in Science from the International Space University, France, to her Bachelor's in Journalism and Master's in Cultural Anthropology from Prague's Charles University. She worked as a reporter at the Engineering and Technology magazine, freelanced for a range of publications including Live Science, Space.com, Professional Engineering, Via Satellite and Space News and served as a maternity cover science editor at the European Space Agency.
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