Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Mass and weight are different. When you are talking about how much something weights, you are really talking about the object’s mass. Find out the differences between the terms “mass” and “weight” and ...

Your weight changes on other planets and moons due to different gravitational pulls. Weight is how much gravity pulls on you; mass (amount of matter) stays the same. Newton's Law of Gravitation ...

In science, there are thousands of ways to measure the world around us that the average person may never encounter. For example: Pascals to measure pressure, Candles to measure light intensity, and ...

Earth’s mass is about 6 million million million million kilograms, say our readers – and it wouldn’t be a great idea to be in the vicinity if too much mass were added Let’s start by realising that ...