As its subtitle suggests, this book sets out to describe ‘The Origin and Evolution of the Solar System’ as seen through the work of generations of scientists who have contributed to the picture we now have.
Discovered by William Herschel in 1785, NGC 246 is a large planetary nebula in a star-poor area of Cetus. It must have been quite challenging for him to find as he often used high powers and small fields when searching for nebulae.
Cleaning optics should always be approached as a careful, precise, military-style operation; this corralled armoury includes cleaning fluid, dust removal brush, a VariAir 200 compressed air unit, lens tissues and cotton swabs.
These new ED binoculars from Vixen, a particular affinity to their telescopic cousins is by virtue of the freedom of available magnification, since the choice of 31.7mm fitting eyepieces is left to the user.
The European Space Agency has announced four candidate landing sites for the ExoMars rover, as a deadline looms to secure full funding for the mission in time for a scheduled launch to the red planet in 2018.