The solar system's greatest mystery may finally be solved
For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely different approach to this cosmic detective story—instead of looking for reflected sunlight, they're hunting for the planet's own heat signature.
For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely different approach to this cosmic detective story—instead of looking for reflected sunlight, they're hunting for the planet's own heat signature.
