Lesson 3- Venus And Earth
Chapter 3
- VENUS
- Geography/Climate
- terrestrial planet (solid, rocky appearance)
- brightest thing in the night sky except for the Moon
- sometimes called the morning star or the evening star
- comes closer to the Earth than any other planet
- atmosphere
- mainly carbon dioxide
- clouds of sulfuric acid
- chemical poisonous to humans
- so thick it makes it hard to see the surface
- until the 21st century, people thought creatures lived on the surface
- pressure on Venus' surfaces is 92 times as more as the Earth
- has no moons
- Etymology/History
- known for thousands of years
- named for Roman goddess Venus
- sometimes called the sister planet of the Earth
- similar in size and gravity
- Second planet from the Sun
- EARTH
- Third planet from the Sun
- Geography/Climate
- one of four terrestrial planets in the solar system
- most of the mass is solid
- home to millions of species of plants and animals, including humans
- only place in the universe where life has been confirmed to exist
- early life completely changed the atmosphere
- things that live on earth impact the environment
- bigger than Venus
- formed about 4.5 million years ago
- Percentages
- about 71% saltwater oceans
- only planet where liquid water is known to exist at the moment
- about 29% rocky land in the shape of continents and islands
- orbits the Sun once every 365.25 days
- only one moon
- the Moon
- Etymology/History
- also called
- the Blue Planet
- Planet Earth
- Terra
