Astronomy
Astronomy is an infinitely captivating subject and the oldest of the natural sciences. It is one of the few areas of science that amateurs can assist professionals and directly contribute to science. Astronomy is the scientific study of the contents of entire Universe, stars, planets, comets, asteroids, galaxies, and space and time, as well as its history.
If you’re starting out in Astronomy and looking at the sky at night, the contents of this site will guide you through what you can see at night as well as equipment advice, observation tips and tutorials. The astronomy articles cover the types of objects you can see and illustrate some basic astronomy concepts which are important to learn. You can also find several astronomy DIY projects which you can build yourself.
The Greek astronomer Hipparchus discovered precession, the slow movement of the heavens, by studying Egyptian astronomical records thousands of years ago.
Although Stonehenge appears to have astronomical alignments, historians now shy away from saying what its builders intended.
Skywatchers will be treated to the longest "blood moon" eclipse of the 21st Century on Friday. As it rises Earth's natural satellite will turn a striking shade of red or ruddy brown with the "totality" period lasting for one hour, 43 minutes.
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.
Steven Hawking, the man with the computerized voice, has become part of pop culture, making his way into TV shows and songs. He has had a prestigious career as a cosmologist who was able to communicate the wonders of the universe despite a progressive and debilitating condition.
Moon watching is a great way to start to exploring the night sky and you don't need any expensive equipment to enjoy looking at this facinating object.
Astrophotograpers are often concerned with making small objects in the sky look big, but the constellations are often overlooked.
A collection of mobile applications to help you navigate the night sky, locate objects and never miss an astronomical event.
A supermoon total lunar eclipse took place between September 27 and 28, 2015. It was seen in the early hours of Monday morning, September 28.
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?
