Tag Archives: Alien World

The First Exoplanet Known to Contain Helium Is a Truly Alien World

In addition to filling balloons at birthday parties, helium can be found scattered throughout the cosmos. To date, however, scientists have struggled to detect the ubiquitous element on distant worlds, even though the gas is certain to be there. But that’s now changed, thanks to the discovery of helium on a Jupiter-sized world located 200 light-years from Earth—but that’s only part of the story. Continue reading The First Exoplanet Known to Contain Helium Is a Truly Alien World