Tag: exoplanet
What Is Dimethyl Sulfide, the Chemical Potentially Found on Exoplanet K2-18 b?
Is Dimethyl Sulfide Really a Sign of Alien Life? Dimethyl sulfide is in the news after NASA’s James Webb Space Telescope may have detected relatively high levels of it in the atmosphere of an exoplanet called K2-18 b By Meghan Bartels edited by Dean Visser An artist’s depiction of exoplanet K2-18 b. Scientists and extraterrestrial…
When Was the First Exoplanet Discovered?
The UniverseFridays When Was the First Exoplanet Discovered? Evidence of alien worlds goes back farther than you think By Phil Plait edited by Lee Billings This artist’s concept shows an exoplanet and debris disk orbiting a polluted white dwarf. Stay connected to The Universe: Get email alerts for this weekly column by Phil Plait For…
Exoplanet Census Identifies ‘Missing Planets’ Gap
Where Are the Universe’s Missing Planets? Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy By Dakotah Tyler edited by Clara Moskowitz For centuries our solar system was the only planetary system known to humans. We had no proof other worlds existed beyond those in our own cosmic…
Nearby Habitable-Zone Exoplanet May Be a World of Fire and Ice
Nearby Habitable-Zone Exoplanet May Be a World of Fire and Ice A newly confirmed exoplanet around a nearby sunlike star might be astronomers’ best chance yet to look for life beyond the solar system—but it’s still no place like home By Gayoung Lee edited by Lee Billings An artist’s concept of an exoplanet that might…