Bring the universe into your home in jaw-dropping full HD on Blu-ray 3D.
In May 2009, the Space Shuttle Atlantis crew launched a mission to make vital repairs and upgrades to the Hubble Space Telescope, the world's first space-based optical telescope...
In May 2009, the Space Shuttle Atlantis crew launched a mission to make vital repairs and upgrades to the Hubble Space Telescope, the world's first space-based optical telescope. An IMAX® camera captured stunning footage of the five intricate spacewalks required, as well as close-up images of the effort to grasp the orbiting telescope with the shuttle's mechanical arm -- and an unexpected problem that could sabotage the entire mission...
Maxiumum precision with minimum production tolerances and the highest quality materials guarantee the unrivalled optical performance of spotting scopes. This is evident in the extreme pinpoint detail, lifelike color reproduction and outstanding peripheral focus...
Get The Quality You Deserve At The Price You Deserve! 3 X 9 X 40 Variable "Shorty Forty" Scope.
All our optics feature HIGH DEFINITION (HD) fully multi coated objective and ocular precision ground lenses...
The Opteka 650-1300mm high definition super telephoto zoom lens is perfect for the professional and amateur photographer alike. There is a built-in, rotating tripod mount for easily attaching to your tripod or monopod...
Ever find it hard to get your SLR in just the right angle to take that perfect shot you've always wanted? Opteka's Professional Right Angle Viewfinder let's you line up an off the deck shot without needing to crawl on your belly...
The Opteka manual focus mirror lens is incredibly compact and lightweight. Using an advanced reflex design, this is a mirror lens that is ideally suited for wildlife and sports photography. It has a fixed aperture of f8...
Introductory Trailer to Chandra (High Definition)
What is a linking radio telescope? Please help.?
Ugh, I can't find it! I just need a simple definition of what it is. Thanks.
I think you may well be referring to the technique of several radio telescopes some distance apart being used in such a way to act as a single huge antenna. The Very Large Array in New Mexico is an example of this.
Best Telescopes What are the best telescopes for a 6 year old boy?
I don't want anything expensive. He is into the planets and the moon. I have no clue what is the best telescope to get him. This will be a christmas present for him. thanks
Attached is a talk I co-authored on this subject. (I'm currently the VP for the club ncastro.org - I'm happy to discuss specifics if you email me through the website.)
Most inexpensive scopes have lousy mounts that make them VERY difficult to use/enjoy. The planets that will be decent thru an "inexpensive" telescope are Venus, Mars (during close approaches only - fortunately that's the next few months), Jupiter, Saturn.
Bring your son to public skygazing sessions hosted by a local astronomy club - see if he really likes it. A 6-year old probably can't handle a reflector without help (many untrained adults can't either!). A refractor is maintenance-free. 3 scopes in the $100-$150 range are on oriontelescopes.com - that is the cheapest usable scope, in my opinion. And if he likes astronomy, he will quickly "outgrow" these.
Binoculars are good for moon and learning the sky, plus are useful for general use.
Bill Murray was heading toward a career peak on the back of comedies such as this one from 1981, the second film in his ongoing collaboration with director Ivan Reitman (the two went on to make Ghostbusters)...
Bring the universe into your home in jaw-dropping full HD on Blu-ray 3D.
In May 2009, the Space Shuttle Atlantis crew launched a mission to make vital repairs and upgrades to the Hubble Space Telescope, the world's first space-based optical telescope...
An imax 3d camera chronicles the effort of 7 astronauts aboard the space shuttle atlantis to repair the hubble space telescope. Leonardo dicaprio narrators Studio: Warner Home Video Release Date: 03/29/2011 Starring: Leonardo Dicaprio Andrew J...
Bissell's Microfiber High Reach Duster extends your reach up to 14 feet for those hard-to-reach areas, and it has a washable microfiber pad that attracts dust and dirt without chemicals. The pivoting head locks at multiple angles to clean high ledges and ceiling fans, while the handheld duster separates for regular dusting...
TWO TELESCOPING BACK SCRATCHERS. A perfect gift for a friend who could use an extra hand! Our back scratcher can reach areas one otherwise couldn't to provide instant relief. One end is shaped like a hand, while the other has large rollers to provide a therapeutic and soothing massage...
Now kids can wish upon lots of stars when they transform an ordinary bedroom into their own private star-filled universe. Two built-in precision glass lenses, plus a green laser and holographic technology create thousands of stars and an amazing light show...
When superior quality and versatility are requirements, the Plantronics Audio 355 multimedia headset is for you. Forty-millimeter speakers deliver studio-quality audio with maximum bass response. Don't just hear music, DVDs, and games--feel them...
The Kensington 62903 Contour Overnight Notebook Roller gives you one case with comfort, flexibility, and adaptability for your overnight travel. The Kensington 62903 has a built-in, five-stage telescoping handle that adjusts to match the height that is most convenient for you...
New Nikon Lenspen Pro 7072 Cleaning System Lens Pen.Will not scratch or damage lens.Outperforms all other lens cleaning devices.Unique LensPen tip is self-replenishing.Cleaning compound will not spill or dry up.
Lightweight and portable, the Carson MM-200 MicroMax pocket microscope is ideal for on-the-go science. The MicroMax offers a powerful 60 to 100x magnification range, making it easy to examine blood samples, bugs, and anything else that's worthy of a closer look...
The Bushnell 8x21 PowerView FRP compact binoculars combine contemporary styling and design with traditional Bushnell quality and durability. They are easy to use and economical and feature general-purpose roof prisms...
Yo ho ho and a costume for fun! Every young pirate will be ready for adventures on the high seas with this dramatic role play outfit and accessories. The set includes a pirate hat, eye patch, and is completed by a jaunty piratical vest that holds a sword.
This Star Explosion kit allows children to create a universe in their own bedrooms. With over 500 glow-in-the-dark adhesive pieces to choose from (including stars of all sizes, comets, asteroids, and spiral galaxies), junior astronomers can create star displays, black-hole effects, and, with the aid of the included star map, actual constellations...
Rocket into orbit on an important space mission! Help the astronaut open the cargo bay doors and use the Canadian arm to release the Hubble Space Telescope into orbit around earth.
It's the largest set of Crayola Crayon colors ever! Little artists will love the variety of colored crayons that are easily accessible and easy to store with this three-tier tower of Crayola crayons. Includes 150 multi-colored crayons in all.
Power Astronomy Whats a good title page for my project?
Im doing my project on astronomy and i cant think of a good pharse that is catchy to put on my title page. Ive tried astronomy is knowledge, and power is astronomy but that isnt working for me, can somebody help.
A version of the Tikka Plus...this ultra-lightweight 4-LED headlamp features a red filter for discrete light and night vision preservation, 3 brightness settings (maximum, optimum, economic) and a blinking mode...
115048 Features: Discreet lighting preserves night vision with a red filter that covers LEDs and easy transition between red and white lighting with flip filter Lighting level can be adjusted to help conserve battery life: 3 LEDs produce flood beam lighting with a long burn time, up to 120 hours Compact and lightweight: a single compartment contains both the LED and batteries, and it weight in at only 25 ounces (including batteries) Practical as the beam can be easily aimed where needed, and it features a comfortable and adjustable elastic headband Specifications: Weight with batteries: 25 ounces Battery type: 3 AAA Burn time: 120 hours
An outstanding value in an essential tool for work, personal safety and emergencies. High-efficiency LED sip battery power while producing incredibly bright light; 100,000 hour life. FDA-approved laser 650nM wavelength...
Black Dimple Finish High Power Green Laser. We ensure that every high power green laser pointer is hand calibrated and tested to output at least 4.99mw and thus offers the expected stunning power expected of a real constant wave green (532nm) laser pointer, much brighter to look at than a regular red laser pointer and always with a visible green beam...
This listing includes 3 lasers: one green / one red / one blue violet laser pointer! laser pointers emit unique laser pointers that use the latest technology.They are absolutely lot fun for you to play or use in astronomy,and Perfect for office presentations, It's amazingly bright with a targeting distance of more than 2 miles...
Black Dimple Finish High Power Green Laser. We ensure that every high power green laser pointer is hand calibrated and tested to output at least 4.99mw and thus offers the expected stunning power expected of a real constant wave green (532nm) laser pointer, much brighter to look at than a regular red laser pointer and always with a visible green beam...
Get attractive Astronomy PowerPoint (ppt) templates to make attractive Astronomy PowerPoint slides. Use the above PowerPoint (ppt) template which is designed by a team of professional designers. The Astronomy PowerPoint (ppt) template can be used on different subjects...
Download Universe PowerPoint templates and make your PowerPoint presentation attractive. The Universe ppt template is just amazing. Other than this we have exclusive PowerPoint templates with a fabulous PowerPoint slides for Universe PowerPoint presentations...
Themed PowerPoint presentation templates for astronomy and space presentations. Polish your PowerPoint presentations with professional images and designs all related to astronomy.
Each astronomy theme includes 18 presentation slides...
*** Witness the ancient world come to life - and see history in all its drama. Filmed in 10 countries, this documentary combines location footage of ancient monuments, detailed reenactments, period art and writings, and fascinating insights from scholars and public figures...
Whether from home to the office, on a business trip or to school, the Astronomy Planets Messenger Bag School Bag keeps you comfortable and your cargo safe and sound - this bag features pockets for your cellphone, pens, ipod, notebook etc...
The Astronomy Planets NEOPRENE Laptop Sleeve Messenger Bag can carry from the Latest Apple Ipad or MacBook Pro to any 14" inch Laptop notebook and is both stylish and functional with multiple pockets. This bag has three external zippered compartments as well as inside storage pockets and compartments for your daily stationary in a very organized way and plenty of room for your books and folders...
This Green Laser Pointer comes in our beautiful Black Matte finish. Green lasers has so many uses: * Astronomers * Teachers * Students * Bird Watchers * Presentations * Tour Guides * Construction Workers * Scientific * Military * Security applications * Forensics Investigations * Play with pets (Dogs and Cats LOVE chasing the laser dot) Use to point out distant points of interest Imagine a bright beam of light that is visible from up to 2 miles away! It has a Class IIIa rating, this is the most powerful green laser allowed within the law...
The Military Grade Astronomy Green Laser Pointer 5mW is a glorious tool that can be used by the military or the lowly star gazer.It has a powerful beam that is suitable for the most detailed presentations and is distinctly visible for long distances on a clear night...
From the big bang to the present and into the next millenium, The Universe Story unites science and the humanities in a dramatic exploration of the unfolding of the universe, humanity's evolving place in the cosmos, and the boundless possibilities for our future.
The beating heart of the sun is the very pulse of life on earth. And from the ancients who plotted its path at Stonehenge to the modern scientists who unraveled the nuclear fusion reaction that turns mass into energy, humankind has sought to solve its mysteries...
The Power of Models
Astronomy question please help 10 points. How much power is the Sun producing in total?
The radiation flux from the Sun is approximately 1000 Watts per square metre at the surface of
the Earth. Starting from this basic observation (and assuming that all quantities given are
averaged over a large wavelength range), answer the following questions. Show all working
and draw diagrams where appropriate.
a) How much power is the Sun producing in total?
b) Spectroscopic measurements show that the surface temperature of the Sun is 5800 K. Use
this information and the answer to part a) to work out the radius of the Sun.
c) The apparent magnitude of the Sun is -26.7 when observed from the Earth. What is the
absolute magnitude of the Sun?
d) Work out the absolute magnitude of a white dwarf star with a surface temperature of 40,000
K and a radius of 6,000 km. Could you see it without a telescope?
e) What would the apparent magnitude of this white dwarf be were it to replace the Sun in our
own Solar system?
Just answering (a) - since that is the question you posted as the header.
If the Sun produces enough to be approximately 1000 Watts/ sq. meter at the distance of the Earth,
then determine the surface area of a sphere with a radius equal to the distance between Earth and the Sun - and multiply by 1000W/m^2
Distance from Sun to Earth =~ 150,000,000 km = 150,000,000,000 meters
Surface area of a sphere = 4*pi*r^2
Surface area of Sphere radius Sun-Earth = 12.6*(1.5x10^11)^2 = 28.3x10^22m^2
Power output of the Sun =~ 2.83 x 10^26 W
Up to you to do diagrams... and the next 4 questions...
Binoculars come in a wide range of shapes and sizes these days, and an even wider range of prices. It's easy to spend less than $100 or more than $500 for what may appear to be, at least outwardly, comparable models...
Celestron AstroMaster 70AZ 45 - 90X Refractor Telescope. Affordable, powerful, lightweight... the perfect choice for amateur astronomers and backyard stargazers! Proving once again that you don't need NASA's budget to see the stars...
Fits (drop in style) any type of telescope that uses a 1.25" focuser or visual back. Allows you to attach your 35mm SLR camera to the prime focus of your telescope or spotting scope. Both a T-Adapter and T-Ring are required to mount a 35mm SLR camera to your instrument.
Our Observer 70 is the perfect telescope for that budding astronomer in your family. This scope excels in both quality and performance. Its 70mm multi-coated achromatic objective lens - focal length 700mm focal length (f/10) - gathers 36% more light than a 60mm...
Orion StarBlast 4.5 Astro Reflector TelescopeLaunch a lifetime of stargazing with this compact, ready-to-use telescopeTop-notch optics show you the moon, the planets, the stars and moreScope comes fully assembled so you can go from box to backyard in minutesHigh-quality optics, point-and-view ease of use, remarkable portability, all for less than $200Your ticket to space-tourism without the zero-G nauseaMaybe it's because many of us started out with those frustrating little department store refractors, but at Orion we strive to offer quality telescopes for beginners that are easy to use and will inspire their natural inclination to explore...
Scientists are scanning the skies for extraterrestrial life. The most sophisticated search takes place at California's SETI Institute. This book explains their fascinating work to general readers.
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The Celestron® SkyScout® Scope 90 is designed exclusively for use with the SkyScout™ Personal Planetarium (not included). The SkyScout® Scope 90 is easy to set-up, nearly maintenance-free and features Celestron's precision optics...
Telescope Space Are there any man made objects on the moon viewable from the Hubble space telescope ?
It seems like we should be able to see the moon lander etc from the space telescope.
No the Hubble Telescope doesn't have the resolution but NASA has returned high-def pictures of all 5 Apollo landing sites. You can see man made structures plus astronaut foot paths. See below.
The Science BrainyMats help children learn about topics ranging from the solar system to healthy eating. Worksheets on the flip side of the mat engage children to answer fun questions related to the lesson.
NTSC North American FormatUpdated 2009 - Includes: * Some of the most recent 2008/09 HST observations* New Title Menu* Re-encoded with the latest encoders allowing for excellent color and clarityJ.B.S HaldaneThe Universe is not only stranger than we imagine; it is stranger than we can imagine...
The heavens are telling glory of God, and their expanse the work of His hands. Night after night they remind us of just how small we are, and how huge God is. Looking out into the far reaches of the u
Journey into space with the Astronauts on one of the most important and spectacular Space Shuttle Missions ever - the critical mission to repair the Space Telescope. Plus, see the first dramatically improved deep space images from Hubble's newly repaired cameras...
Join the crew of shuttle flight STS 26 for breakfast as they orbit the Earth. Witness the shuttle launch and watch as the crew deploys a communications satellite and carries out experiments in the microgravity laboratory...
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Wow! These images nearly jump off the page! Each Hubble Space Telescope image has been specially prepared for printing on our reflective Mylar film so that the luminous transparency and details come shining through...
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Wow! These images nearly jump off the page! Each Hubble Space Telescope image has been specially prepared for printing on our reflective Mylar film so that the luminous transparency and details come shining through...
Binoculars come in a wide range of shapes and sizes these days, and an even wider range of prices. It's easy to spend less than $100 or more than $500 for what may appear to be, at least outwardly, comparable models...
A powerful and capable telescope, the Orion SkyQuest XT8 Classic Dobsonian is one of our most popular reflectors due to its elegant combination of precision optics, mechanical simplicity, and rock-solid stability...
Bushnell Powerview 7-15x25 Compact Zoom Binocular is small, lightweight, making it ideal for a variety of uses. Perfect for birdwatching and attending concerts, these affordable binoculars have a 25mm objective lens with 7 to 15x magnification and performs brilliantly, even in low light...
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Hubble Space Telescope HST T-shirt makes a great astronomy and space gift from Spacemart, the Astronomy and Space Telescope Online Gift Shop. Space Tee, TShirt, Shirt. About our White T-Shirt: You wouldn't judge a book by its cover, just as you wouldn't judge a person by their shirt...
Hubble Space Telescope front Our Solar System back Ash Grey T-Shirt is a fine Astronomy and Space Telescope t-shirt gift. By Spacemart- the Astronomy and Hubble Space Telescope Online Gift Shop Space Tee, TShirt, Shirt...
How big would a space telescope need to be in order to take images of earth sizes planet at ....?
least 30 year lights away? In comparison, how many times bigger would that be when comparing it to the Hubble space telescope?
At 30 LY (= 2.840 X 10^14 km), Earth's disc of dia. 12750 km appears at a angle(Radian) measure
4.49 X 10^-11 Radian
= (4.49 X 10^-11) X (180 / TT) = 2.572 X 10^-9 degrees = (9".26 X 10^-6)arc.
People want the aperture (of the telescope) in inches, so
Aperture (dia.of Objective lens) = 4.5 / (9".26 X 10^-6)
= 485954.4 inches
= 40496.20 feet
= 7.67 miles.
Anything more than this diameter only, will resolve the Earth's disc.
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