Fun Facts:

Dogs noses are wet to help absorb scent chemicals. ... Newfoundlands are amazing lifeguards. ... The Beatles song 'A Day in the Life' has a frequency only dogs can hear. ... Three dogs survived the Titanic sinking. ... A Bloodhound's sense of smell can be used as evidence in court.

Our sun is over 300,000 times bigger than the Earth. Halley's Comet only enters our inner solar system every 75 years. ... Venus has temperatures over 450 degrees C and is listed as the hottest planet in our solar system. Scientists believe that our solar system was formed over 4.6 billion years ago.

The inner core of the Earth is hotter than the surface of the Sun. It is the fifth-largest of the eight planets. Small earthquakes are happening somewhere on the Earth all the time. The Earth orbits the Sun at a speed of 67,000 miles per hour.

Earth is not flat, but it's not perfectly round either. Earth has never been perfectly round.

The days are getting longer.

There weren't always several continents.

Earth's icy times.

The Earth's rotation is gradually slowing.