mars

You know, Bruno Mars in his song "Billionaire" sings of dreaming of being on the cover of Forbes magazine, standing next to Oprah and the Queen.

And if our sun has planets Mercury, Venus, Earth, Mars, etc., it makes sense that other stars, you know, other suns should have planets also.

If humans had a base on Mars, we couldn't keep popping back 225 million kilometres - a journey likely to take around seven months - to have children on Earth.