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Why Do Telescopes Have Holes In The Middle?

20 hours agoTechnology : Forbes: Tech

If you want to gather the greatest amount of light possible, why have a hole in the center of your largest telescope mirrors?

Get Out Your Telescope on March 5th; This Asteroid Will Pass Very Close to Earth

yesterdayHumor / odd : Geekosystem

On March 5, 2016, Asteroid 2013 TX68 will swing by the Earth in the course of its trajectory. If you've got a telescope, then in all likelihood, you'll be able to spot this moving through the sky on that date.

Massive Gas Cloud Hurling Toward Earth

Hubble Space Telescope astronomers are tracking an invisible hydrogen gas cloud that is aimed back toward earth at nearly 700,000 miles per-hour. Though there are hundreds of gas clouds in our galaxy, the “Smith Cloud” is unique because astronomers know its trajectory … Earth. Do we need...

The Future Of Astronomy: The Giant (25 Meter!) Magellan Telescope

The largest, most powerful telescopes in the world today are between 8 and 10 meters in diameter. This proposed behemoth will change astronomy forever.

Gigantic Space Telescope’s Main Mirror Now Complete

Well, this is pretty cool news: The main mirror for the James Webb Space Telescope is now fully assembled! OK, first, JWST is the successor to Hubble, an observatory optimized for viewing the Universe in infrared wavelengths, outside what our human eyes can see. Show More Summary

NASA About To Put Finishing Touches On The Most Powerful Telescope Ever

The telescope will help reveal new solar systems capable of supporting life. The successor to the Hubble Space Telescope is one step closer to completion. NASA has announced that they've just placed the 18th and final mirror segment into the array of the James Webb Space Telescope (JWST). Show More Summary

Construction is complete on the James Webb Space Telescope's primary mirror

4 days agoTechnology / Gadgets : Gizmag

NASA engineers have been working tirelessly over the last few months, painstakingly assembling the James Webb Telescope's huge primary mirror. This week marks a significant milestone in the project, with the the last of the 18 individual...Show More Summary

A violent wind blown from the heart of a galaxy tells the tale of a merger

Astronomers have revealed the detailed structure of a massive ionized gas outflow streaming from the starburst galaxy NGC 6240. The light-collecting power and high spatial resolution of Subaru Telescope made it possible to study, for the first time, the complex structure of one of the largest known superwinds being driven by starbirth -- and star death.

Hubble observes vast gas cloud set to collide with the Milky Way

5 days agoTechnology / Gadgets : Gizmag

For the first time, astronomers have used the Hubble Space Telescope to measure the chemical composition of a vast gas cloud that is set to collide with the Milky Way. Upon impact, the Smith Cloud will act as the catalyst for a colossal...Show More Summary

Review: Omegon Universe2go, the iPhone enclosure that provides an augmented reality tour of the night sky

An amateur astronomy friend has a motorized telescope that allows you to tap in the name of the object you want to see – a constellation, a planet, a deep-sky object – and it automatically locates them in the sky. Universe2go offers an equally hi-tech but more casual approach to stargazing suitable for beginners – including […]

Russia Could Have a Deep Space Monopoly

6 days agoNews : The Daily Beast

When Americas Hubble telescope falls to Earth, Russia could be the only country with a set of ultraviolet space eyesthats if its Spektr UF ever makes it into orbit.

Looking Ahead: NASA Begins Quest for Future Super-Telescope

While NASA’s ambitious missions, including the James Webb Space Telescope and the WFIRST-AFTA, have yet to be launched, the agency has prepared four new concepts for a next-generation large-scale project that could determine the future of space exploration.

New documentary reveals the drama of building the largest space telescope ever

A NASA telescope that's expected to launch in 2018 could revolutionize the way humans understand the universe — and a new documentary promises to bring viewers behind the scenes at NASA, revealing the drama and importance of building...Show More Summary

Invisible Space Entities Being Detected!

New telescopes (Santilli telescopes) with concave lenses (versus convex) have allowed us to see otherwise invisible entities in space. Tantalizing, huh? Admittedly, I've wondered if there are other beings/intelligence/creatures that we do not see because they do not consist of matter as we interpret in our physical world. Show More Summary

Uzi SMG Field Strip

The famous Uzi submachinegun is a brilliantly simple firearm that is straight blowback and fires from an open bolt. While it was not the first firearm to feature a telescoping bolt, it certainly took the concept and ran with it. TheShow More Summary

Inspecting a Giant Telescope Mirror Looks a Lot Like Cleaning Your Yard 

This photo of the fourth mirror for the Giant Magellan Telescope makes the cleaning and inspection of an incredible piece of engineering looks more like some dudes cleaning out their back yard. Read more...

Monstrous cloud boomerangs back to our galaxy

New Hubble telescope observations suggest that a high-velocity gas cloud was launched from the outer regions of our own galaxy around 70 million years ago. Now, the cloud is on a return collision course and is expected to plow into the Milky Way's disk in about 30 million years. Astronomers believe it will ignite a spectacular burst of star formation then.

Hubble sees monstrous cloud boomerang back to our galaxy

Hubble Space Telescope astronomers are finding that the old adage "what goes up must come down" even applies to an immense cloud of hydrogen gas outside our Milky Way galaxy. The invisible cloud is plummeting toward our galaxy at nearly 700,000 miles per hour. read more

This Babylonian Astronomy Text Changes History

More than a thousand years before the first telescopes, Babylonian astronomers tracked the motion of planets across the night sky using simple arithmetic. But a newly translated text reveals that these ancient stargazers also used a far more advanced method, one that foreshadows the development of calculus over a thousand years later. Read more...

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