why does it take so long to get to venus from earth
A planet's day is the time it takes the planet to rotate or spin once on its axis. Venus rotates much more slowly than Earth does, so a day on Venus is much longer than a day on Earth.A day on Venus lasts for 243 Earth days or 5,832 hours! A day on Earth is 23.943 hours.Venus also rotates backwards compared to the Earth and most of the other planets. 1  Javascript must be enabled to use Cool Cosmos.enus rotates much more slowly than Earth does, so a day on Venus is much longer than a day on Earth. A day on Venus lasts for 243 Earth days or 5,832 hours! A day on Earth is 23.943 hours.