%2d outputs a decimal (integer) number that fills at least 2 character spaces, padded with empty space. %6.2f outputs a floating point number that fills at least 6 character spaces (including the decimal separator), with exactly 2 digits after the ., padded with empty space. Good for dollar and pound currency amounts.
Asteroid hurtles towards earth. Scientists were today, January 4th, 2014, warning of a possible asteroid collision with the Earth.
Detecting Earthquakes Before They Strike. Overview of both space-bound and earth-bound observational techniques that can be used to detect early warning signals from places where stresses build up deep in the Earthâs crust that may lead to a catastrophic earthquake.