esa – Milldpress

James Webb Space Telescope Reimagines Hubble’s Deep Field, Unveils Ancient Galaxies

admin5544 months ago03 mins

The James Webb Space Telescope (JWST) has returned to Hubble’s Ultra Deep Field, capturing over 2,500 galaxies across cosmic history. It is part of JWST’s JADES survey, re-imaging the same patch in infrared. Webb’s infrared cameras (NIRCam and MIRI) see much fainter objects than Hubble. While Hubble’s UDF showed about 10,000 galaxies in visible light,…

Doomed Exoplanet TOI-2109b Spirals Toward Its Star with Three Possible Fates

admin5544 months ago04 mins

The gas giant TOI-2109b is more than five times as massive as Jupiter, and resides in a perilous orbit 870 light-years from our planet. As an “ultrahot Jupiter,” it completes a lap around its parent star in a mere 16 hours, the briefest orbit of any such planet known. It is baking its atmosphere to…