Galaxy
The mind-blowing scale of Omega Centauri
The great Roman (Greco-Egyptian) mathematician and polymath Claudius Ptolemy is credited with listing 48 - more than ha…
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Reviews
Read this before you buy a star
Imagine you're starting a new chapter of your life by buying a brand new home. It's a universally coveted, usua…
Night Sky
What is averted vision, and how can you use it?
The eye is an extraordinary instrument, adapted and refined by millions of years of evolution to produce vivid, detaile…
Galaxy
How many stars are there in the Milky Way?
The Milky Way is our cosmic home, and like any dwelling we inhabit, we naturally feel like we ought to know it inside o…
Auroras
Jupiter's auroras are like nothing else in the Solar System
The Aurora Borealis, or Northern Lights, is a spectacular sight on Earth, topping every major bucket list. But Earth is…