You can count numbers all around you, from the eight legs on a spider to the one nose on your face. But can you count the stars in the sky or measure the temperature of the sun? Explore Space from galaxies and stars to the planets in our solar system, including Earth and the Moon.

"Count down your world with infographics"--Cover.

Counting down the universe -- 70 thousand, million, million, million stars in space -- There are 500 billion galaxies in the universe -- The Milky Way is 13.2 billion years old -- How wide is our solar system? -- 500 million people watched the first moon landing -- Do aliens live 35.4 million miles (57 million km) away? -- The Sun is millions of degrees hot -- 1642 death of Galileo Galilei -- 75-76 years for an appearance of Halley's comet -- 27 moons of Uranus -- 24 hours for Earth to rotate -- One year for Earth to orbit the Sun.