Space is about −270 °C. But one nebula is colder than the background of the universe itself, because it is expanding like a giant fridge.
Imagery:
ESO/VISTA. Acknowledgment: Cambridge Astronomical Survey Unit
European Space Agency, NASA
NASA, ESA and The Hubble Heritage Team STScI/AURA
ESA/Hubble, R. Sahai and NASA
ESO/INAF-VST/OmegaCAM. Acknowledgement: OmegaCen/Astro-WISE/Kapteyn Institute
ESA/Webb, NASA & CSA, H. Atek, M. Zamani (ESA/Webb)Acknowledgement: R. Endsley
ESA/Webb, NASA & CSA, G. Gozaliasl, A. Koekemoer, M. Franco, and the COSMOS-Web team
ESO/B. Tafreshi (twanight.org)
#space #nebula #physics #astronomy #shorts
