What is Orion's Belt?

Orion's Belt is part of a larger constellation called The Hunter. Orion is a very prominent and popular constellation, perhaps being the best-known and most conspicuous constellation in the sky. Orion's three "belt" stars are found on the celestial equator and are visible throughout the worlds. The three belt stars are of medium brightness and are the medium part of the constellation. In mid-northern latitudes, the constellation is visible in the evening from October to early January, and in the morning from lat July to November.

Orion is not the only name for The Hunter. In Australia the belt and sword of Orion are sometimes called the Saucepan. It is called the Drie Konings (Three Kings) by Afrikaans and Trois Rois (The Three Kings) by the French. Both of these names are founds in 17th and 18th century seaman's guides. Historically it is also referred to as Babylonian "Shepherd of Anu."

Orion's Belt was configured roughly 1.5 million years ago due to the relatively slow movements of the stars within the constellation. Orion is estimated to remain visible for the next one to two million years. This makes it one of the longest observable constellations parallel to the rise of human civilization.

Because of the correlation between Orion's age and the birth of human civilization, Orion is recognizable throughout mythology. The three stars of Orion's Belt were at one point associated with Osiris, the god of death and the underworld by the ancient Egyptians. Sumerians saw this patter as part of a shepherd or chariot while in China Orion was on e of the twenty eight lunar mansions.

References in the ancient Middle East were to the best and sword, which echoes throughout modern western literature.

What is Orion's Belt?

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What is Orion's Belt?

What is Orion's Belt?
What is Orion's Belt?

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What is Orion's Belt?

What is Orion's Belt?

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Physics & Electromagnetism : What Are the 2 Types of Telescopes?

Physics & Electromagnetism : What Are the 2 Types of Telescopes?

Video Clips. Duration : 2.12 Mins.

Physics & Electromagnetism : What Are the 2 Types of Telescopes?
Two basic types of telescopes include reflecting and refracting telescopes. Discover how reflecting telescopes use mirrors as the objective, while refracting...
Physics & Electromagnetism : What Are the 2 Types of Telescopes?

Physics & Electromagnetism : What Are the 2 Types of Telescopes?

Physics & Electromagnetism : What Are the 2 Types of Telescopes?



Physics & Electromagnetism : What Are the 2 Types of Telescopes?

What is Orion's Belt?

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What is Orion's Belt?

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Best Telescopes For Kids

Your best resource for researching the best telescopes for kids is undoubtedly the internet. If your son or daughter is asking you about telescopes or is developing an interest in astronomy then you'll definitely want to search for information online. A quick Google search will reveal a number of astronomy websites and forums.

You can be sure that every astronomy website will have information relating to the best telescopes for kids. Also, if you really want to make an informed purchase, consider joining a few astronomy forums and inquiring there. Every astronomy forum will have professionals who will be more than willing to share with you their opinions about the best telescopes for kids.

A couple things that you may want to consider before purchasing a telescope for your little one are usability and cost.

Ask your son or daughter what they would use a telescope for. If they want to view the moon or the closer planets, then you'll have no trouble finding a beginner telescope that is user friendly and also cheaper than telescopes that are designed to view the outer planets and stars.

If price is your bottom line, then trying a Google search for things like "best beginner telescope - under 0" or whatever your price range. Also, you may find information about the best telescopes for kids in your local sporting goods store. They don't always have a wide selection, but they will normally carry a few lower cost items and maybe a few other pieces of astronomy gear. Your local retailers can be a great resource as far as trying out equipment and taking a good look at what you'll end up buying.

However I would advise that if you are set on buying a telescope for the kids, the best telescopes for kids will be cheaper online. There are a number of astronomy gear retailers with items regularly on sale. Amazon.com is increasingly carrying more and more gear at affordable prices for the beginner astronomer.

You can also find review sites or buying guide sites online which will you give you all of the information you will need to make sure that your little guy or gal will be happy with their new telescope. You'll also find that some of the best telescopes for kids will last your children for years to come if they are taken care of properly. Again, plenty of information can be found online about the proper maintenance of a telescope. There also a number of books on the subject which can be found online or in your local bookstore.

So if you're looking for the best telescopes for kids you definitely be doing your research online and visiting your local retailers to try out a few things, but you'll want to make your purchase online as prices will be lower.

Best Telescopes For Kids

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Best Telescopes For Kids

Best Telescopes For Kids
Best Telescopes For Kids

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Best Telescopes For Kids

Best Telescopes For Kids

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Best Telescopes For Kids

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The Value Of Antique Telescopes

Towards the very front of a ship stands a vigilant sailor who keeps a constant bird's eye on the blurry line of the horizon. The long metal tube that is known as a telescope is perched in one of his eyes as he scans the sea with it. On the horizon he may see many things - the beginnings of a far off storm, or a long string of glaciers. Whirlpools are notoriously hard to see on the horizon, but a skilled sailor, with the help of a telescope, most certainly can pick them out without trouble. When sailing before the advent of GPS, the telescope was an indispensable tool for a sailor. When sailing on a ship today, many bring telescopes along with them as necessities and for safety.

The antique telescope is wonderful at maintaining its shape and sparkle even over countless years of stress and use. Most of these antique telescopes are made of brass or bronze, a common metal used in nautical instruments. The salty spray of the ocean does not corrode brass as it does other metals. These telescopes are known for shining and sparkling in the sun even when they haven't been polished for many years. Brass ages but does not dull as many other metals do. Brass reacts well to touch, and absorbs oils on human skin in order to shine and retain its beautiful golden luster. While brass is the most popular metal for these telescopes, silver and steel also find homes in the telescope-making industry.

A telescope is unique in that its uses have yet to be eclipsed by any modern technology today. The meaning behind the image of a telescope is multifaceted, but many agree it stands for adventure and information gathering. Creating antique telescopes in the past was an expensive business, and as such only captains and quartermasters would carry a telescope as it was far too valuable to trust in the hands of other sailors. Because of this scarcity, viewing a vista through a captain's telescope was often deemed a privilege. Often, a backup telescope would be stowed somewhere within the captain's cabin. One useful addition to the telescope came in the form of a small string that wrapped around both the telescope and the hand of the viewer, thereby securing it so the tool did not fall into the ocean.

Antique telescopes make wonderful installments in any room of the house or office, and they are slender enough to fit almost anywhere. It is very common for antique telescopes to fold and retract into themselves in a cylinder that is even smaller. These tubes are usually no more than four inches thick, perfect for carrying. Other telescopes do not retract at all, and should not be forced.

Overall, these items are beautifully crafted works of art that have rich histories and backgrounds. Though these items may always seem as though they are shining, some small dirt or rust patches may actually add to its rustic, antique feel.

The Value Of Antique Telescopes

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The Value Of Antique Telescopes

The Value Of Antique Telescopes
The Value Of Antique Telescopes

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The Value Of Antique Telescopes

The Value Of Antique Telescopes

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The Value Of Antique Telescopes

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Reflective Property of the Parabola

One of the most fascinating properties of the parabola is its reflective property, which is as follows: If a light source is placed at the focus of a parabola, after reflecting off the parabola, the rays of light will emerge as a correlated beam with all rays parallel to the symmetry axis of the parabola. Similarly, a parallel beam of light rays incident on a parabola will converge onto the focus after being reflected.

The three-dimensional analog of the reflective property of a parabola is realized for a paraboloid, the surface formed by rotating a parabola about its axis of symmetry. It is this property that is used in flashlights, headlights, and searchlights. In all of these devices, a point light source is placed at the focus of a parabolic mirror, resulting in a correlated beam of light emerging along the symmetry axis of the device. The opposite property is utilized in satellite dishes and reflecting telescopes, each of which involves a signal converging on the focus after being reflected.

Other conic sections enjoy reflective properties similar to the parabola. For instance, if a light source is placed at one focus of an ellipse, the rays will converge onto the other focus after being reflected. Any wave, including sound waves, may be substituted for light. Thus, a whispering gallery is an elliptic room in which sound waves converge onto a focus after emerging from a source at the other focus. A hyperbola also satisfies an interesting reflective property in which a point source at one focus, after being reflected, behaves as if it were at the other focus.

Reflective Property of the Parabola

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Reflective Property of the Parabola

Reflective Property of the Parabola
Reflective Property of the Parabola

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Telescopes: The Long Lens of History

Telescopes: The Long Lens of History

Video Clips. Duration : 65.73 Mins.

Telescopes: The Long Lens of History
For over 400 years, the telescope has been an indispensible tool of scientific discovery, wielded by amateurs and luminaries alike in their eager exploration...
Telescopes: The Long Lens of History

Telescopes: The Long Lens of History

Telescopes: The Long Lens of History

Telescopes: The Long Lens of History

Reflective Property of the Parabola

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History Of Telescopes - A Look At Galileo And The Galileo Galilei Telescope

The first inhabitants of the world were compelled to accommodate their acts to the daily and annual alternations of light and darkness and of heat and cold. In history there are only a few distinguished men who made such a big contribution to astronomy, one of them was Galileo Galilei and his work with the telescope.

When we look at today's telescopes we mainly are working with either Galileo's telescope or Newton's telescope. These men made such a big impact in astronomy and telescopes, that we still use the same types of telescopes invented by these men!

Galileo or his full name Galileo Galilei was an Italian physicist and astronomer. Galileo was born in Pisa on 15 February 1564 and lived 78 years till 1642 when he passed away. In this time he made such advancement in astronomy, that we still know the name Galileo.

Galileo not only made advancements in astronomy, he is also noted with the invention of the thermometer! Galileo Galilei telescope was the first to make observations of the Moon and its crescents, the Sun, planets and stars.

Most of Galileo's time and energy was in mathematics and that is what he spent most of his time. In fact he became professor of mathematics at the University of Pisa in 1589. What made Galileo change from mathematics and physics to a big interest in astronomy was when he heard about the invention of the telescope in Holland in 1609.

From this date, Galileo immediately focused his attention on building his own telescope. Galileo Galilei telescope was put together and he immediately started viewing the heavens. He published his findings in Sidereus Nuncius. The Starry Messenger one year later in 1610. The book was such a sensation throughout Europe that it made Galileo and his telescope famous.

Galileo Galilei telescope and his findings did not always go so rosy however. At that time the common idea held by the church was that the universe revolved around the Earth! Copernicus had a new theory, the Copernican theory that said that the universe does not revolve around the Earth. Galileo held this belief as well, and it caused major outrage with the church. The church declared the view heretical and Galileo was instructed to abandon the Copernican theory.

In 1632 a book was published called Dialogue Concerning The Two Chief World Systems. In the book the Galileo Galilei telescope was used to make the evidence of how the view adopted by the church was wrong. It resulted to Galileo being sentenced to life imprisonment. The sentence was commuted to house arrest for the rest of his life.

Galileo was a great inventor and has given the world some of the greatest inventions. In a Galileo Galilei telescope, the light enters through a tube starting with a convex objective lens. The light focuses even more with a concave lens in the eyepiece, before meeting the eye with a magnified and upright image.

Galileo Galilei telescope is one which we can never forget. It was an invention which showed at his time a planet (Saturn), one which has ears! Within 2 years of the invention of Galileo's telescope, he gave us fairly accurate information on the orbits of 4 of Jupiter's satellites. Galileo also gave us great information on the Sunspots on the sun.

History Of Telescopes - A Look At Galileo And The Galileo Galilei Telescope

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History Of Telescopes - A Look At Galileo And The Galileo Galilei Telescope

History Of Telescopes - A Look At Galileo And The Galileo Galilei Telescope
History Of Telescopes - A Look At Galileo And The Galileo Galilei Telescope

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History Of Telescopes - A Look At Galileo And The Galileo Galilei Telescope

History Of Telescopes - A Look At Galileo And The Galileo Galilei Telescope

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Cosmic Vision - Amazing Hubble Space Telescope angle of our Universe

Cosmic Vision - Amazing Hubble Space Telescope angle of our Universe

Tube. Duration : 1.53 Mins.

Cosmic Vision - Amazing Hubble Space Telescope angle of our Universe
Expanding the frontiers of the visible Universe, Hubble looks deep into space with cameras that can see across the spectrum of infrared to ultraviolet light. Hubble has revolutionised modern astronomy, not only by being an efficient tool for making new discoveries, but also by driving astronomical research in general.
Cosmic Vision - Amazing Hubble Space Telescope angle of our Universe

Cosmic Vision - Amazing Hubble Space Telescope angle of our Universe

Cosmic Vision - Amazing Hubble Space Telescope angle of our Universe

Cosmic Vision - Amazing Hubble Space Telescope angle of our Universe

History Of Telescopes - A Look At Galileo And The Galileo Galilei Telescope

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The Moon through my Meade AT-80 Telescope.

The Moon through my Meade AT-80 Telescope.

Tube. Duration : 2.92 Mins.

The Moon through my Meade AT-80 Telescope.
This is a Video taked with the phone Nokia N70, Not a good camera. My Telescope: Meade ETX-80AT, (AT = Astro Telescope)
The Moon through my Meade AT-80 Telescope.

The Moon through my Meade AT-80 Telescope.

The Moon through my Meade AT-80 Telescope.

The Moon through my Meade AT-80 Telescope.

Solar System Diagrams

Solar system diagrams help readers visualize the actual positions of the planets in the solar system. They provide an easy understanding of our earth and the solar system.

Solar System Diagrams

telescope collimation - how to accumulate telescope

telescope collimation - how to accumulate telescope

Video Clips. Duration : 7.98 Mins.

telescope collimation - how to accumulate telescope
Step by Step instructions on how to collimate a Newtonian telescope. Reflector telescopes need regular adjustment and this process is easy with a laser collimator.
telescope collimation - how to accumulate telescope

telescope collimation - how to accumulate telescope

telescope collimation - how to accumulate telescope

telescope collimation - how to accumulate telescope

The orbit diagrams of the solar system show the planes of the earth and the comets. Comet orbit diagrams show the comets' relative movement with the sun. There are two types of orbit diagrams - outer solar system orbit diagrams and inner solar system orbit diagrams.

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Solar System Diagrams

Outer solar system orbit diagrams show the positions of all asteroids and comets with semi-major axes. They also show orbits and positions of planets such as Earth, Jupiter, Saturn, Uranus, Neptune, Pluto, and comets like Halley and Hale-Bopp. In outer solar system orbit diagrams, asteroids and comets are shown in separate colors or blocks.

Solar System Diagrams

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The inner solar system diagrams show the positions of all numbered asteroids and all numbered comets. The positions and orbits of the planets Mercury, Venus, Earth, Mars, and Jupiter are also shown. In the diagram, asteroids and comets are represented in separate blocks or colors. Top diagrams and bottom diagrams of the inner solar system can also be plotted. The inner solar system diagram shows the location of the asteroid belt and the distribution of interplanetary dust.

Separate comet and asteroid orbit diagrams can be viewed using a java based orbit applet. The distribution of orbital elements for most known inner solar system asteroids and comets are shown using distribution diagrams such as distribution diagram of elements for comets and asteroids, distribution diagram of elements for asteroids only, and distribution diagram of semi major axis. Bifurcation diagrams show selected stable and unstable orbits and the numerical iterations depending on a parameter.

Solar System Diagrams

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Youth Pictures of Florence Henderson - All I bethink is jailbait rock

Youth Pictures of Florence Henderson - All I bethink is jailbait rock

Tube. Duration : 6.30 Mins.

Youth Pictures of Florence Henderson - All I bethink is jailbait rock
Song from upcoming EP/10". Unofficial music video. LYRICS: Don't mind me saying, I feel a bit like Martha Mitchell a face on the cover of a gossip magazine fallen from grace under the scorn of Richard Nixon Let's have some breakfast and a bucket of caffeine to make it all right For all I remember is punk rock and songs we didn't sing the bottle of Stevens and the porcelain figurine we lifted and tied up to an animal balloon then toasted bade godspeed and safe passage to the moon and beyond our telescopes into the great unknown to meet and to greet our future colonies with a song of this one evening Let's both agree that Lauren's house is now off limits for there are more gentle ways to lift a thousand kilograms and make it all right For all I remember is Birdman and games we didn't win Sleep Bellum Sonno and the porcelain figurine rooted like pine trees like ballerina leaps made for soaring but bound by gravity all in vain this gravitational pull our ball and chain it's ok. it's allright I'll fall for you tonight wake up and rewind It's all right going home tonight It's all right going home tonight to old buildings and conversations I thought I'd never have again about the end of good intentions and the beginning of the end It's all right, if you are home tonight It's all right, if you are home tonight it's ok. it's allright I'll fall for you tonight wake up and rewind new songs new scenes with porcelain figurines and high hopes for our inbetweens
Youth Pictures of Florence Henderson - All I bethink is jailbait rock

Youth Pictures of Florence Henderson - All I bethink is jailbait rock

Youth Pictures of Florence Henderson - All I bethink is jailbait rock

Youth Pictures of Florence Henderson - All I bethink is jailbait rock

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