Sentences with phrase «extraterrestrial biology»
"Extraterrestrial biology" refers to the study of living organisms or life forms that exist outside Earth. It explores the possibilities of life existing in planets, moons, or scientific discoveries beyond our own planet. Full definition
Nolan noted that 8 percent of the DNA was unmatchable with human DNA, but that was due to a degraded sample, not extraterrestrial biology.
sciencedaily.com
Another planetary body, Saturn's largest moon Titan, also routinely comes up in discussions of extraterrestrial biology.
Looking for life at Saturn «wasn't on Cassini's pre-launch list,» she adds, but when the spacecraft confirmed Enceladus» salty, water ocean after flying through the moon's enigmatic plumes and taking samples, it became one of the most compelling places beyond Earth to find extraterrestrial biology.
And, if a few of these exoplanets exist in the habitable zones of their stars (like Proxima b), perhaps they've been able to hold onto their atmospheres long enough for extraterrestrial biology to take hold and alien life to evolve.
If life could evolve on Proxima b (and that's a big «if»), the planet would need a very powerful magnetosphere (a global magnetic field) to deflect powerful stellar winds to prevent its atmosphere from being stripped away and any extraterrestrial biology from being irradiated.