Night Sky
This Milky Way image was captured with an Apple iPhone
Smartphone cameras have come a long way. Once upon a time, most astrophotographers considered deep-sky images of our ga…
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…
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…
Apollo
What did Neil Armstrong say as he set foot on the Moon?
On 12 March 1969, NASA's Assistant Administrator for Public Affairs, Julian Scheer, wrote a memo to George Low, the…
Moon
What colour is the Moon?
When we gaze up at our beautiful celestial companion in the sky, it seems plain to us that unlike our own varicoloured …
Night Sky
What is the brightest star in the night sky?
Every star in the night sky has a different brightness. This is simple to state, but there are a variety of overlapping…
Pluto
Why don’t astronomers call Pluto a planet?
In 2015, NASA's New Horizons spacecraft made a historic flyby of Pluto, capturing it up close for the first time. A…
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