Reading 1 10.4.2 10.4.9 Read the text and mark the sentences T (true), F (false) or D5 (doesn't say). 1 Astronomers discovered Gliese 5819 in 2010. 2 Gliese 5819 is situated in the Libra Constellation. 3 Chemical analysis of Gliese 581g's atmosphere has been conducted. 4 Gliese 581g does not cross the face of its red dwarf star relative to our line of sight. 5 Astronomers think most stars in the universe have potentially-habitable planets orbiting them. 20​