When beginning astronomers start looking at telescopes, one of the least understood aspects of these optical instruments are simple telescope eyepieces. While lenses and mirrors and designs are easy ...
Stars come in various sizes, shapes, ages and brilliance. It is their brightness that is the most noted of all their attributes. Astronomers still engage a system for measuring the brightness of a sta...
In most college curricula, you'll need two semesters of science and the corresponding lab courses to satisfy the science requirement. Unless you decide to pursue a science major, that means you'll nee...
France came up with the idea and other European countries have had a part in the satellite that just started its space journey, having been launched in Russia. The United states was not mentioned. The...
The past century has seen tremendous breakthroughs in cosmology, the study of the universe. In 1928, shortly after the discovery of galaxies ("island universes" as they were known at the time), Edwin ...
Take your science projects to the next level with this in-depth look at Air Pressure.There's air surrounding us everywhere, all at the same pressure of 14.7 psi (pounds per square inch). It's the sam...
If you have ever tried looking through a telescope without a telescope mount to steady your equipment, you understand the difficulty of focusing on a set object in the night skies. Compound that pro...
Like a lot of kids, my folks gave me a 60mm telescope for Christmas one year. The scope was a typical department-store brand - not very good - but to a 12-year old kid it opened up the universe.Throug...
It was mentioned on a biology blog that archaeological engravings from the Tiwanaku civilization in Bolivia are unlikely to be depicting an ancient astronaut for the reason that, even with an aq...
Some weeks ago I came across a story in which it was mentioned that a noted scientist had classified SETI (Search for Extraterrestrial Intelligence) as a religion. There was also a rebuttal by a SETI ...