"One plus one is more than two — having two data points for TRAPPIST-1b now allows us to explore alternative scenarios for its atmosphere, whether it exists or not." ...
These planets may be nowhere near each other in their solar orbits but are visible from the perspective of Earth.
An international team of astronomers has reported the discovery of two exoplanets orbiting a nearby star known as HD 101581.
An exoplanet in the Trappist star system — a multi-planet star system similar to the solar system and just 39 light-years ...
putting it opposite the sun in Earth’s skies and offering unparalleled nighttime views. Some telescopes are better suited to observe planets than others. In this guide, we've picked out models ...