LP 791-18 d: Earth-size Exoplanet Unveils Volcanic Activity Beyond Our Solar System
Astronomers have identified an Earth-size exoplanet, or globe outside our solar system, that may be covered in volcanoes. The planet, known as LP 791-18 d, may have volcanic outbursts as frequently as Jupiter’s moon Io, our solar system’s most volcanically active body. NASA’s TESS, Spitzer Space Telescope, and an array of ground-based observatories were used […]