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Weird and Wonderful of Universe: The Night Sky 1 year 43 weeks ago

Since the Ancient Greeks, astronomers have called the night sky the celestial sphere because, seen from Earth, it looks like a transparent sphere with the stars attached to it. Earth’s Equator and poles are projected onto the sphere to give the celestial equator and celestial north and south poles, which are used to map the position of stars in the sky.

Earth Hour 2012 13 weeks 4 days ago

What started as a one-city campaign in Sydney, has gone truly global. In 4 years, the Earth Hour movement has spreaded to 135 countries with more than 5200 cities and towns joining in. During Earth Hour, you are encouraged to switch electric lights for an hour. This is to raise awareness on the need for environment protection. This year, Earth Hour will be on 21 March 8.30 pm...

A Need For Speed To Explore The Cosmos 1 year 22 weeks ago

If we are going to explore anything beyond our solar system and out into the vastness of the universe in a spaceship or probe we need some serious speed to do it. There is a tremendous difference in distant we travel locally here on earth versus the distant we must travel just to get from here to our nearest star, the sun, and beyond. We must come close to the speed of light, which is 186,000 miles per second to transverse the vastness of space if we want to get to the nearest star with an earth-like planet orbiting it.

Earth Hour is Back! Be ready to black out your house for 2011. 1 year 15 weeks ago

Earth Hour | Earth Power. This wonderful initiative that WWF Australia started in 2004 as a new way to take climate change mainstream has spread throughout the world. Commencing at 8.30pm on Saturday 26 March 2011, this is your opportunity to join the the World community in Earth Hour. Earth Hour will celebrate a worldwide commitment to ongoing change for the betterment of the one thing that unites us all – the planet. Turn off your lights at 8.30pm on March 26 and feel the power of the world and its people unite.

Earth Hour 2011 - Dallas Hotels Go Green - Dallas Hotels | Examiner.com 1 year 8 weeks ago

Every year, Earth Hour sweeps the globe, raising awareness about environmental friendliness. Unlike Earth Day, April 22nd each year, Earth Hour is one hour each year when the world goes dark. This year, many hotel properties are participating in the event, and encouraging their guests to do the same.