Space and astronomy news
[/caption] A simple lesson in school physics provides the fundamental theory behind rockets. Simply put, by quickly pushing lots of exhaust out, the great mass of a rocket will ascend. Yet, as is often the case, putting theory into practise is anything but simple. J.D. Hunley in his book ‘Preludes to U.S. Space-Launch Vehicle Technology …
The Lunar Crater Observation and Sensing Satellite (LCROSS) is a very exciting mission for lunar exploration. Since the discovery of water on Mars by Phoenix last week, focus is turning on other planetary bodies and natural satellites for the possibility they may hold a supply of water too. First stop for any manned mission will …
Continue reading “LCROSS Passes Pre-Flight Tests Before Kamikaze Mission to Find Water on Moon”
Will humans ever really go to Mars? Let’s face it, the obstacles are quite daunting. Not only are there numerous, difficult, technical issues to overcome, but the political will and perseverance of any one nation to undertake such an arduous task just can’t be counted on. However, one former NASA engineer believes a human mission …
Astronomy has many unfair advantages over the other natural sciences because it captures elements of travel, adventure and discovery. One glimpse through eyepiece filled with thousands of previously unseen stars has lured many casual observers into a head-over-heels love affair with the night sky that remains with them for the rest of their life. The …
Continue reading “Book Review: Making Every Pixel Count, Vol. 1-3”
Seekers need to know everything about their quarries. Their appearance, lifestyle and mannerisms all provide clues as to their whereabouts. Fishermen know the haunts, the lures and the time of day that give the best chance of success. Comet hunters are an equally avid group of seekers and some would say that their quarry is …
Learning the night sky is pretty intimidating. With enough desire and perseverance it’s achievable, even though thousands of individual stars glitter away. Trying to install that desire and knowledge into the younger crowd is even tougher. Anton Vamplew with his book Simple Stargazing provides a significant aid for just this. With a knack for detail …
Fighting the good fight. David meeting Goliath. Persevering against the odds. These phrases give images associated with a valiant struggle to succeed. William T. Vollmann in his book Uncentering the Earth shares his thoughts on the struggles of Nicholas Copernicus in relocating the Sun to the centre of the solar system. Though Copernicus did not …
The first astronauts wanted to be more than passengers in their spaceships. However, undertaking an active role meant that systems, interfaces and controls need be suited for human use even though the environment was completely unknown. Mary Jane Chambers and Dr. Randall Chambers in their book Getting Off the Planet provide a first hand account of some of the challenges that were mastered in resolving this issue and in meshing human to machine. As they note, with judicious testing and training, there was much greater confidence in the success of all the space missions.
Greetings fellow SkyWatchers! The week begins as we have a look into the “Fishmouth” – M43. Then it’s time to get Sirius as we learn how and when to look for a white dwarf star. As the Moon returns, we’ll have a look at its features as well as some bright sky objects. So keep an eye on the sky, because…
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Astronomers have found evidence of monstrous black holes at the heart of galaxies with the mass of millions of stars, or ones with just the mass of a single star. But not much in between (100 to 10,000 stellar masses). One of the newest pieces of evidence for a medium-sized black hole was captured by NASA’s Chandra X-Ray Observatory. It measured the orbit of a star trapped in a death spiral around one of these medium-mass black holes.