... Astronomy news . ... Saturnian Moon Shows Evidence Of Ammonia . Data collected during two close flybys of Saturn's moon Enceladus by NASA's Cassini spacecraft add more fuel to the fire about the Saturnian ice world containing sub-surface liquid water. ... In space, the presence of ammonia provides strong evidence for the existence of at least some liquid water. How could ammonia equate to liquid water inside an ice-covered moon in one of the chillier neighborhoods of our solar system? ...

... The unlocked gate at the entrance to the observatoryтАЩs gravel driveway should remain closed to prevent the public from driving back to the observatory. ... This means that if there are still members of the public present at the observatory who do not wish to leave by 11:30 PM they will be locked in the park until a keyholder leaves and secures the gate(s) behind him/her. ... Roll the roof back using the hand crank near the computer room. ... Amateur Astronomers Association of Princeton, Inc., ...

... For reliable estimation of the accuracy of asteroid CCD observations we usually consider from ten or more various NUMBERED MINOR PLANETS (NMPs) observed during several nigths per month (more then 50 positions). ... They can be considered as an indicator of accuracy of the CCD positional observations with given MPC code. ... For any NUMBERED minor planet the (O-C) values must be zero if the errors of observations and the errors of its theory are absent. ...

... A rough estimation is that in the United States there is one planetarium per 100,000 population, ranging in size from the Hayden Planetarium's 20-meter dome seating 430 people, to three-meter inflatable portable domes where children sit on the floor. ... Together dblo associates make a huge impact in the architecture, interior design and development arena in London. ... With the holidays around the corner what better way to spoil your family than with your very own private home cinema. ...