By Patrick Moore (auth.)
For greater than 50 years now Sir Patrick Moore has awarded the BBC tv sequence Sky at evening; no longer a month has been neglected – a checklist for any tv sequence, and a list which can by no means be damaged. each 3 years or so a e-book is released overlaying the most occasions in either astronomy and house learn. this can be the thirteenth quantity, not just a checklist of the programmes but additionally of the nice advances and discoveries in the course of the interval coated - eclipses, comets, and the unusual chemical lakes of Titan, for example, but in addition anniversaries resembling the 15th “birthday” of the Hubble area Telescope, and never forgetting the programme celebrating the Sky at Night’s fiftieth 12 months, attended by way of astronaut Piers Sellars and so forth who seemed at the programme through the years. the entire chapters are self-contained, and completely illustrated. during this new Sky at evening publication you can find a lot to entertain you. it's going to entice amateurs and pros alike.
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Additional resources for The Sky at Night
Sample text
This is all very well, but as yet we have not yet established the existence of life anywhere except on Earth, and until we do so, we can come to no definite conclusions. Plans for drilling through the ice layer on Europa and reaching the water beneath are projects for the future; we must first practice with Lake Vostok in Antarctica – at least we know exactly where it is, and how far down it lies. But there can be no doubt that the key to the whole problem is Mars. Rovers are exploring it; there has been open water there; for a period in its history – we are not sure how long – conditions were suitable for Earth-type life.
It was completed in 1987, and like UKIRT, it has been a tremendous success. One of its many observational programmes concerns stars which may be attended by planets, and here its latest camera, Scuba – installed just before the Sky at Night team arrived – has been particularly informative. An early target was Fomalhaut in Piscis Australis (the Southern Fish), the southernmost of the first-magnitude stars visible from Britain. Look for it during autumn evening below the Square of Pegasus, but even from southern England it is always low down, and from northern Scotland you will be lucky to see it at all.
However, our watcher on a planet in a system of another star – say Alpha Centauri – might well be able to detect the slight fade caused by a transit of Jupiter or Saturn. In our search for life we must obviously begin by considering the planets in our Solar System. Few of them are welcoming. Venus, almost the Earth’s twin in size and mass, has a surface temperature of around 1,000°F, a crushing carbon-dioxide atmosphere, and clouds rich in sulphuric acid. Mercury and the Moon are virtually airless; the four giant planets have gaseous surfaces and radiation belts, which at least in the case of Jupiter would be quick to kill any astronaut unwise enough to venture inside them.