B A new study focuses on K2-18b, an exoplanet(系外行星) like the Earth discovered in 2015, orbiting a red dwarf star(矮星) close enough to receive about the same amount of radiation from its star as the Earth does from the sun."Studies have suggested that planets with hydrogen-rich at...
landing on the planet would also be nearly impossible, especially because the gas is so thick and has such an incredibly high pressure that any earth-created space-craft sent there would be devastated.可知,如果没有一个真实的表面,在K2-18b上着陆几乎是不可能的,因为K2-18b上的气体非常厚,压强大...
R. et al. Disentangling the planet from the star in late-type M dwarfs: a case study of TRAPPIST-1g. Astron. J. 157, 11 (2019). ADS Google Scholar Benneke, B. et al. Spitzer observations confirm and rescue the habitable-zone super-Earth K2-18b for future characterization. Astrophys...
A new study focuses on K2-18b, an exoplanet (系外行星) like the earth discovered in 2015, orbiting a red dwarf star (矮星) close enough to receive about the same amount of radiation from its star as the earth does from the sun. Recently, scientists have discovered gas giants that have...