Learn the basics of astronomy with historical background and an introduction to the basic astronomy concepts, details about planets, satellites, asteroids, comets and meteors. Also learn the history of Astronomy from its origins in the religious, mythological, and astrological practices of prehistory through to modern astronomy.
The image that is acquired through the lens of a telescope becomes visible through an eyepiece. Each eyepiece provides a given magnification This is determined by the ratio between the focal length of the objective and eyepiece.
How to find objects in the sky using celestial coordinates, what are arc minutes and arc seconds? How big is the Plough compared to the Square of Pegasus?
With Hubble now approaching the end of its scientific life, a new generation of spacecraft are set to blast off in the next few years. These missions may alter the way we see the Universe forever. This article looks at the most exciting prospects of the missions, with easy to understand explanations.
Space is big. Really big. You just won't believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it's a long way down the road to the chemist, but that's just peanuts to space.
In this article, we take a look at the challenges of interstellar space travel and how current and emerging technologies, as well as those which are still completely hypothetical, might one day be able to take humanity to the stars.
Here is a collection of my top 25 wish list items to see in the sky at night ranging from Iridium flares to solar flares and distant galaxies.
2014 has seen some incredible space exploration breakthroughs including discovery of hundreds of exoplanets and the successful landing of the Mars Curiosity Rover.
Looking through an eyepiece, the sky will take on a different orientation depending on which telescope you use. This is due to the telescope optics reflecting and refracting the light in different ways.