What is dark energy?
By: Derril Langford
Dark energy is a universal phenomena that has yet to be explainable. Dark energy is a term that came about quite by accident, when in the 1990’s astronomers decided to figure out how fast the universe was expanding. The belief was that gravitational forces...
Why solar energy technology advances are taking so long
By: Bruno Korschek
Singer Bill Withers once sang: "Ain't no sunshine when she's gone." Great song and the inspiration, along with a recent Associated Press analysis, for this article, indicating that there is no sunshine and no solar power when the Federal government and the political class...
By: Ramona Taylor
In April 1990, when the Hubble Space Telescope (HST) was launched into orbit, scientists had high hopes that the telescope would help them map out the visible universe; however, few were really prepared for the Hubble revelations about the unseen world of dark matter and...
By: Leigh Goessl
On Wednesday, September 8, 2010 two small asteroids passed near to Earth in two separate incidents. Over the last several days NASA officials have been watching these asteroids closely. Asteroids 2010 RX30 and 2010 RF12 are not visible to the naked eye, however with powerful...
How to teach kids about the night sky
By: Joan Collins
The night sky fascinates children and their parents with its beauty and mystery. As you gaze into the night sky with your kids, pointing out the Big Dipper and the Little Dipper, their eyes fill with wonder at the vastness of the evening sky. Why...
By: Matt Kelly
Thanks to the gathering momentum of planetary science we now know more about our own solar system than ever before.Partly due to the recent advances within the world of astrophotography that have enabled amateurs such as myself to gain images of our nearest neighbours...
How to teach kids about the night sky
By: Suzy kew
Kids will learn about the night sky and constellations at school so give them a head start by teaching them about it at home! Wait for a clear night so you will actually have a good view of the stars. Telescopes are expensive so just...
Ganymede, third moon of Jupiter
By: Steven Mars
The largest moon of Jupiter is orbital resonance pattern because for every four orbits Io makes around Jupiter, Europa makes about two orbits and Ganymede about one. Ganymede is larger than Mercury and Pluto, but is not considered a planet because it orbits Jupiter. Pluto&rsquo...
Product reviews: Ethos 13mm eyepiece
By: Matt Kelly
Al Nagler, the head and founder of Televue has always strived for quality in his products (even if it does mean shelling out a bit extra for that televue eyepiece). Televue lead the way in terms of wide field eyepieces with the 13mm Ethos being...
Book reviews: Universe, by Robert Dinwiddie
By: Matt Kelly
I was given 'Universe' as a present from my brother on my 20th birthday. The front of the book has a beautiful picture of NGC1850, located in the southern hemisphere galaxy the large Magellanic cloud. This is a cluster of stars the type of which...

 

1 189 190 191 192 193 289
CHOOSE YOUR SCIENCES 360 TOPIC: