It takes Venus 243 days to spin around its axis one time. Its gravity is also about the same as Earth's gravity. This means you would weigh about the same amount on Venus and on Earth. Venus, however, is very different from Earth. Earth has big oceans and a lot of water vapor in the air.
Earth has clouds made of water vapor.
Earth has an atmosphere made of gases called oxygen and nitrogen. Our atmosphere also has a little bit of carbon dioxide and other gases in it. Click here to see what an atmosphere is Venus has no oceans. Its atmosphere is made mostly of carbon dioxide. There is almost no water vapor in its air.