Peter Grego
Astronomy writer
Peter Grego was a popular amateur astronomer and the author of several books on practical astronomy. He passed away in 2016. Minor planet 95935 Grego was named in his honour.
Recent articles by Peter Grego
Does the Moon look orange tonight? No, you're not seeing things! This is what causes it
What causes the Moon to appear a red, rusty colour?
Why are Saturn's rings the only planet's we can see through a telescope?
Why are Saturn's rings so noticeable? Why are they much more visible than rings round other Solar System planets?
How many stars can a person see in the night sky?
When we look up at the night sky, how many stars can we see, and what magnitude can the human eye see unaided?