%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.
Image caption 2010 TK7 traces a complex path at its orbital point, moving above and below the plane of the Earth's orbit. Astronomers have detected an asteroid not far from Earth, moving in the same orbit around the Sun. The 200-300m-wide rock sits in front of our planet at a gravitational sweet spot, and poses no danger.