Egress (Lat. egressus, "going out"), in astronomy, is the end of the apparent transit of a small astronomical body over the disk of a larger one; especially of a transit of a satellite of Jupiter over the disk of that planet. It designates the moment at which the smaller body is seen to leave the limb of the other. In more general or legal use, this term refers to an exit, the act of exiting, or the right to leave. Radio telescopes are among many different tools used by astronomers Astronomy (Greek: αστρονομία = άστρον + νόμος, astronomia = astron + nomos, literally, law of the stars) is the science of celestial objects and phenomena that originate outside the Earths atmosphere, such as stars, planets, comets, auroras, galaxies, and the cosmic background radiation. ... See lists of astronomical objects for a list of the various lists of astronomical objects in Wikipedia. ... A satellite is any object that orbits another object (which is known as its primary). ... Adjective Jovian Atmospheric characteristics Atmospheric pressure 70 kPa Hydrogen ~86% Helium ~14% Methane 0. ... This article is about law in society. ...

The most famous use of this word was by P.T. Barnum, who placed a large sign in his circus tent saying "This Way to the Egress." Thinking that an "egress" was some sort of exotic bird, circus-goers went though the passage only to find that they had just exited the show. Phineas Taylor Barnum (July 5, 1810 – April 7, 1891), American showman who is best remembered for his entertaining hoaxes and for founding the circus that eventually became Ringling Brothers and Barnum and Bailey Circus. ...

In education the "power of egress" is a useful tool for students to feel safe at all times. Teachers can give students the right or freedom to step out of an activity for physical, emotional, or mental reasons.

In the telecommunications industry "egress" is often used as a term to identify traffic (typically IP) exiting a carrier backbone network across a communications link (DSL, T1, DS3, OCx, Ethernet) and into the customer's network.

References

• This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.