30 years ago, scientist Carl Sagan asked NASA’s Voyager 1 to capture an iconic portrait of our world. This humbling view of Earth from 6.4 billion km away is known as the “Pale Blue Dot.”
According to astronomy, planets the size of Neptune couldn’t possibly form and sustain any kind of atmosphere while orbiting their parent stars at a close proximity. But last year, astronomers found exactly this kind of planet!
