The document provides 10 facts about the planets and sun:
1) The sun is a middle-aged star that formed over 4.5 billion years ago and will shine for at least another 5 billion years.
2) Mercury is the smallest and innermost planet, orbiting the sun once every 88 days.
3) Venus is similar in size to Earth and has a thick, toxic atmosphere composed primarily of carbon dioxide.
4) Mars has the largest canyon in the solar system and experiences global dust storms that can last for months.
5) Jupiter is a gas giant composed of hydrogen and helium with powerful winds and giant storms like the Great Red Spot.