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? Hubble has watched an early galaxy transforming its neighbourhood!
HUBBLE (@HUBBLE_space) June 23, 2026
The galaxy MXDFz4.4 existed at the end of the Era of Reionisation, a period in our Universe during which the fog that filled space ??? became transparent or ionised.
Astronomers are still trying to pic.twitter.com/wlsVxDkmsp
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MXDFz4.4 ɺ 100 ɡ . 50% 100%.
NEWS: A galaxy that existed when the universe was only 1.4 billion years old transformed the gas in and around itself: Light from its young, massive, closely clustered stars blasted through opaque, electrically neutral gas, causing it to ionize and clear. (1/6) ? pic.twitter.com/LPtl6Xiu28
Space Telescope Science Institute (@SpaceTelescope) June 23, 2026
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Hubble returned the only view that shows the galaxys ionizing photonslight capable of clearing the fog in and around the galaxy, explained Ilias Goovaerts, a postdoctoral fellow at STScI. (4/6) pic.twitter.com/LyHoGWP8G2
Space Telescope Science Institute (@SpaceTelescope) June 23, 2026
ˡ The Astrophysical Journal :
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