The Sun’s twin star may have tilted the planets’ orbits
A scientist simulated the early solar system to determine how interactions between the Sun and other stars affected its planetary orbits.
Tag: planets
Is Earth’s water why intelligent life evolved here?
A Columbia University scientist argued that the existence of humans provides strong evidence that intelligent life is more likely to evolve…
Are aliens receiving radio signals from Earth?
Scientists calculated the maximum distance at which extraterrestrials with modern human-level technology could detect radio signals from…
Scientists observe a changing exoplanet orbit
Astronomers conducted a multifaceted study of the exoplanet TrES-1 b and found that its orbit is shifting, possibly due to an unseen…
Stellar flares could masquerade as life on exoplanets
Astronomers tested whether energy bursts from stars could artificially elevate typical “biosignature” gases on exoplanets.
Astronomers simulate hidden minor planets across the Galaxy
Researchers modeled how planets smaller than Earth formed and changed over the first billion years of their existence. They found these…
Astronomers discover new rare hot Neptunes
Scientists discovered 2 new examples of medium-sized, closely-orbiting exoplanets whose characteristics shed light on how planetary systems…
Could planets orbiting dwarf stars have liquid water?
A team of planetary scientists in Japan found Earth-like planets orbiting dwarf stars could still harbor liquid water if they started out…