تماشای ویدئو بررسی اتمسفر سیارات منظومه تراپیست ۱ توسط تلسکوپ هابل از آی-ویدئو

Astronomers using the Hubble Space Telescope have conducted the first spectroscopic survey of Earth-sized planets in the TRAPPIST-1 system's habitable zone. Hubble reveals that at least the inner five planets do not seem to contain puffy, hydrogen-rich atmospheres similar to gaseous planets such as Neptune.