time parallax造句

If a red dwarf, it would exist in star catalogs, but it would only be confirmed by measuring its parallax; due to orbiting the Sun it would have a low proper motion and would escape detection by older proper motion surveys that have found stars like the 9th-magnitude Barnard's star . ( The proper motion of Barnard's star was detected in 1916 . ) Muller expects Nemesis to be discovered by the time parallax surveys reach the 10th magnitude.
It's difficult to find time parallax in a sentence. 用time parallax造句挺难的