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A Featured astronomy Article
Mirror Telescopes

Mirror telescopes are those telescopes that utilize mirrors to bring the image to your eye. Do you love stargazing and whish that you could get a closer and more vivid view of objects in the galaxy? Then what you need is a telescope. You can place your telescope on your porch or near a window and you'll get a great view of the night sky.

If you're motivated, you can even make your own telescope with the right resources. All you need are mirrors with a concave, spherical profile that will radiate light generated by stars that are reflected towards one focal point.

To do this, you need to get two pieces of round glass, one of which is the mirror blank, while the other is the tool. To ground out the mirror, situate the mirror blank right on top of the tool with water and a grinding substance in between them. Thrust the mirror blank right across the tool until it goes beyond the base piece of glass by one-third in diameter. After seven strokes, you must rotate both pieces of glass about a quarter of an inch from each other so that the other side of the mirror's fa?ade is grounded. As a result, you get a ground concave surface from the mirror blank.

It is always best to utilize the finest grinding and polishing compounds applied on the surface of the glass. After figuring the glass surface, you are now ready to put on your crafted mirror telescope and enjoy a pleasurable stargazing experience.

Telescopes provides detailed information on Telescopes, Hubble Space Telescope, Mirror Telescopes, Camera Telescopes and more. Telescopes is affiliated with Solar System Projects.

astronomy Products we recommend
Orion Explorer 25x100 Large-Aperture Binocular

Orion Explorer 25x100 Large-Aperture Binocular
It's the same night sky, all right. But with our jumbo Explorer binoculars, you'll see it like never before. Their large-aperture 80mm and 100mm fully multi-coated optics provide exceptional light-gathering capability for stargazing. And if terrestrial observing is more your speed, you will appreciate Explorers' long-distance range, wide field of view, and stunning resolution.These are wonderfully well made binoculars. The BAK-4 prisms and internal baffling ensure sharp images and pleasing contrast. The barrels are cross-reinforced with an aluminum rod and objective cell cuffs for maximum structural rigidity and unflinching optical alignment. A sliding 1/4"-20 mounting post is held captive on the rod, for coupling the binocular to a tripod (recommended) and achieving optimum balance.

Moon Filter 1 1/4"

Moon Filter 1 1/4"
Celestron's Moon Filters are economical eyepiece filters for reducing the brightness of the moon and improving contrast, so greater detail can be observed on the lunar surface. The clear aperture is 21mm for the 1¼" filter. Transmission is about 18%.1¼" Moon Filter [94119-A]Eyepiece filters are an invaluable aid in lunar and planetary observing. They reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue. Celestron's filters are made of high quality, solid plane parallel glass with excellent homogeneity. They're anti-reflection coated to prevent glaring and ghosting. All eyepiece filters are threaded to fit Celestron's, and most other manufacturer's, 1¼" eyepieces, and offer a full 26mm clear aperture. Celestron filters are mounted in black anodized aluminum cells with the Kodak Wratten Series Number individually engraved, and come with a plastic case for safe storage. The cells of each filter are double-threaded, so they can be stacked (piggybacked) in various combinations. This allows you to create different color combinations and transmission characteristics, or to have the same color characteristic, but with a lower transmission. When stacking color filters, the effective transmission of the combination you create is equal to the product of the spectral transmission of each of the filters used.The effectiveness of the filters depends on

Excalibur Electronic Forever Flashlight

Excalibur Electronic Forever Flashlight
Never Needs Batteries / Just shake it to operate Visible for up to a mile Great for cars, boats and campers and all emergency kits

VistaQuest BN-0630A 6x power Binoculars 2AAA batteries

VistaQuest BN-0630A 6x power Binoculars 2AAA batteries
A line of affordable digital binoculars with attractive styling and compelling features CLASS VGA, RESOLUTION 640 x 480, LENS Fixed Focus, OPTICAL POWER 6 X, ZOOM N/A, LCD DISPLAY Status LCD, INTERNAL MEMORY 2 MB. Powered by 2 AAA batteries

Meade 07176-02 32mm Super Plossl Series 4000

Meade 07176-02 32mm Super Plossl Series 4000
Meade Series 4000 Super Plossl Eyepieces 1.25" and 2.0"Models: 1.25'' Meade Super Plossl 32mm Eyepiece Model 07176-02

MX Racer (Capsela # 200)

MX Racer (Capsela # 200)
Science in Motion - See How It Works! Use electric and mechanical energy in the 10 motorized projects including an operating fan or crazy car using 36 interlocking parts. Requires one AA battery (not included). The Capsela modular science system improves problem-solving and builds scientific knowledge skills as kids create fascinating motorized projects. Children observe how energy changes with the help of visible gears and wheels. Each kit provides easy-to-follow assembly instructions and activities that introduce basic science concepts. Consistent with National Science Education Standards. Two-year warranty!

Telescope Optics : Complete Manual for Amateur Astronomers

Telescope Optics : Complete Manual for Amateur Astronomers

Headlines on astronomy
Saturday is World Astronomy Day - go outside and look up - IdahoStatesman.com

Tue, 06 May 2008 06:10:40 GMT

IdahoStatesman.com

Saturday is World Astronomy Day - go outside and look up IdahoStatesman.com, ID - May 5, 2008 Go to a bookstore and pick up an issue of Astronomy magazine. 2. Get a planisphere ( a small cardboard device that costs about $5 that shows how the sky ... Woodward: Boise's 'October Sky' kids IdahoStatesman.com all 2 news articles