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ASTRONOMY
Amazing answers to your curious questions
Our first target is the Little Pinwheel Galaxy, NGC 3184, positioned 48 arcminutes west of mag. +3.0 Tania Australis (Mu (μ) Ursae Majoris). This spiral galaxy has an apparent magnitude of +10.1 but i
HUBBLE SPACE TELESCOPE, 22 DECEMBER 2025 Spiral galaxies MCG-02-05-050 (right) and -050a (left) are together known as Arp 4. That means they feature in Halton Arp's Atlas of Peculiar Galaxies, compile
The end is inevitable. Eventually, our Sun will grow old and die. When it does, how much of the rest of the Solar System will it take with it? The fate of Earth hangs in the balance… The end will star
It’s the question I’m asked more than any other whenever I give a talk on the history of the constellations: who invented the Southern Cross? The short answer is: no one did – or at least no individua
Just north of mag. +3.9 Asellus Australis (Delta (δ) Cancri), you’ll spot a ‘little cloud’, which is what ‘Nephelion’, M44’s ancient Greek name, means. At only 577 lightyears away, M44 (also known as