Guide to Space
What Are Alien Megastructures?
Did scientists find a giant alien structure around KIC 8462852? Probably not, but if they did, what would these structures…
Messier 1 (M1) – The Crab Nebula
The Crab Nebula, or Messier 1 (M1) is a supernova remnant left over when a massive star detonated in 1054…
What is the Higgs Boson?
What is this thing we keep hearing about - the Higgs Boson, and why is it important? (more…)
The Orbit of the Planets. How Long Is A Year On The Other Planets?
Here on Earth, a year lasts roughly 365.2 days. But on the other planets in our Solar System, things get…
Why Do We Sometimes See a Ring Around the Moon?
Have you ever seen a ring around the Moon in the sky and wondered what causes it? This is a…
How Long Would It Take To Travel To The Nearest Star?
Between existing and theoretical technology, it would take a very long time to get to Proxima Centauri, the nearest star.…
How Long Is A Day On The Other Planets Of The Solar System?
We are all familiar with how long a day is here on Earth. But how long is a day on…
What Is The Plum Pudding Atomic Model?
The Plum Pudding Model, which was devised by J.J. Thompson by the end of the 19th century, was a crucial…
What Are The Uses Of Electromagnets?
Electromagnets, which rely on electrical current to generate magnetic fields, are used to powering everything from medical equipment to consumer…
What Is The Geocentric Model Of The Universe?
The geocentric model of the universe, in which the Sun, planets and stars revolved around the Earth, was the accepted…