Venus may be our nextdoor neighbor, but a visit to Venus won't be very pleasant for us Earthlings. First, it will take three to four months in a spaceship to fly the 23.7 million miles to Venus, so pack for a long trip. As you step out of your spaceship, you try to take a big gulp of fresh air... but no luck. The atmosphere of Venus is made almost entirely of carbon dioxide, which is deadly for humans to breathe. Once you've donned your spacesuit, don't expect a glass of water. There is no liquid on Venus, although scientists believe that for the first two billion years of the planet's life Venus had liquid oceans. Any liquid on Venus has long since evaporated due to the extreme heat.
Venus is the warmest planet in our solar system, with a surface temperature of 900 degrees Fahrenheit. To compare, your oven at home only reaches about 500 degrees Fahrenheit. Think about how it feels when you open a hot oven, with the burning air rushing out and heating up an entire room. Imagine an entire planet that feels that hot!

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