ESA/Webb, NASA & CSA, A. Martel

Why is the sky dark at night? The 200‑year history of a question that transformed our understanding of the Universe

The darkness of the night sky seems so obvious as to need no explanation – yet it has intrigued and baffled scientists for centuries.
underworld/Shutterstock

¿Por qué la noche es oscura si hay infinitas estrellas? Se cumplen 200 años de la paradoja de Olbers

¿Por qué la noche es oscura si hay infinitas estrellas? Hace ahora 200 años que Heinrich Olbers se hizo esta pregunta. La paradoja de Olbers se ha discutido desde entonces. Incluso Edgar Allan Poe buscó respuesta a una de las preguntas más hermosas de la ciencia.
Une nuit étoilée défile sous nos yeux… Cependant le fond de ciel est bel et bien noir. Ou l'est-il vraiment ? pxhere.com

Pourquoi la nuit est‑elle noire ? On se pose la question depuis 200 ans

Découvrez le paradoxe d’Olbers : si notre univers est infini alors il devrait y avoir une infinité d’étoiles, donc la nuit, le ciel devrait être brillant.
Smiles from Prime Minister Scott Morrison and SA Premier Steven Marshall as the location of Australia’s Space Agency is revealed to be Adelaide, South Australia. Sam Wundke/AAP

Ten essential reads to catch up on Australian Space Agency news

The headquarters of the Australian Space Agency will be in Adelaide. So how did we get to this point? Here are ten essential reads to fill you in.
A rocket carrying the NBN’s Sky Muster II satellite. Perhaps one day Australia might have more direct involvement in space activities. AAP Image/National Broadband Network

Why it’s time for Australia to launch its own space agency

An Australian Space Agency could capitalise on our history working with NASA and the ESA and boost our entry into the expanding commercial space industry.

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