For years, people have been clinging to the idea that living on Mars was going to be something that we will see in our lifetimes - but why Mars? Venus has been called "Earth's twin next door" for years and it is extremely similar to our own planet. It is even millions of miles closer.
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So why aren't we taking it seriously?
Well, an episode of Space-Time goes into it a little more closely.
This difference in attention impacts the policy surrounding space exploration as well as the interest in it.
Right now, billionaires in the US and China are more interested in sending manned missions to Mars. NASA has started looking for potential colonists and there is good money floating around.
There are no manned missions to Venus - not even in discussion. This is odd. It would cost less and is probably easier.
The round trip from Earth to Venus would be 30 to 50 percent shorter than it would be to Mars. That would mean there would be less food, less fuel, and less time. We would also be able to use solar power since it is closer to the sun.
Another bonus? Venus has a similar gravity to Earth.
For its part, NASA has thought about what colonization would mean. Take a look at this video: