Our everyday concerns -- what's for dinner, what to update on Facebook seem small when we consider that there's a whole universe out there where other life may exist.
Astronomers now are upping that likelihood, announcing that they've identified a star system with up to seven planets three of which could potentially host life 22 light-years away.
The likelihood that conditions could support life on at least one of those planets, given that there are three terrestrial-mass planets in the habitable zone of one system, is "tremendous," according to at least one scientist.
The "habitable zone" is the area near a star in which a planet can theoretically hold liquid water.
In our own solar system, Venus is close to the inner edge of potential habitability, while Mars is closer to the outer edge. The discovery is the largest number of "habitable zone" planets ever found within a single system, said Guillem Anglada-Escude of the University of Gottingen, Germany, who led the team of astronomers.
The findings were published Wednesday in the journal Astronomy & Astrophysics.