air-breathing target
41spaceflight — /spays fluyt /, n. the flying of manned or unmanned spacecraft into or in outer space. Also, space flight. [1945 50; SPACE + FLIGHT1] * * * Introduction flight beyond Earth s atmosphere. This article deals with the basic concepts associated with …
42Lefty the Salesman — (commonly known simply as Lefty) is a Sesame Street character from the 60s and 70s. He is not to be confused with Lefty, the shaky Fat Blue Anything Muppet in the Secret Knock skit. His catchphrase is a breathy, whispered riiight , which he seems …
43List of Star Wars planets (E-G) — Ealor Ealor is a planet in the Bysis system. It is home to the graivehs, and covered with grasslands and temperate forests. Elom Elom is home to Eloms and the Elomin. For centuries, the two species lived unknown to one another, with Eloms living… …
44Discula lyelliana — Conservation status Extinct[1] Scientific classification Kingdom …
45Discula tetrica — Conservation status Extinct[1] Scientific classification Kingdom …
46Discus (gastropod) — Discus A live Discus rotundatus A live …
47Discus engonatus — Conservation status Extinct[1] Scientific classification Kingdom …
48Discus retextus — Conservation status Extinct[1] Scientific classification Kingdom …
49Discus textilis — Conservation status Extinct[1] Scientific classification Kingdom …
50Mechanical ventilation — In architecture and climate control, mechanical or forced ventilation is the use of powered equipment, e.g. fans and blowers, to move air  see ventilation (architecture). Mechanical ventilation Intervention …
