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Celestia: Home

Celestia: Home
Welcome to Celestia ... The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X. Unlike most planetarium software, Celestia doesn't confine you to the surface of the Earth. You can travel throughout the solar system, to any of over 100,000 stars, or even beyond the galaxy. All movement in Celestia is seamless; the exponential zoom feature lets you explore space across a huge range of scales, from galaxy clusters down to spacecraft only a few meters across. Celestia is expandable.

http://www.shatters.net/celestia/index.html

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What is it? « Algodoo Algodoo is a unique 2D-simulation software from Algoryx Simulation AB. Algodoo is designed in a playful, cartoony manner, making it a perfect tool for creating interactive scenes. Explore physics, build amazing inventions, design cool games or experiment with Algodoo in your science classes. Algodoo encourages students and children’s own creativity, ability and motivation to construct knowledge while having fun. Making it as entertaining as it is educational.

Bricklayer's Accident Report Printed In The Newsletter Of The English Equivalent Of The Workers' Compensation Board. Dear Sir, I am writing in response to your request for additional information in Block #3 of the accident reporting form. I put "Poor Planning" as the cause of my accident. You asked for a fuller explanation and I trust the following details will be sufficient.

Solar Week > Home UPDATE: Good news! Solar Week is coming back in the fall -- October 17-21, 2016 -- with a focus on the 2017 total solar eclipse, informal activities and cool conversations with leading solar scientists. The website will be getting a new look, too. In the meantime, feel free to use the daily pages, and watch this space! Solar Week, a week of online cool facts, hands-on activities and games about the sun for ages 9-14, happens twice a year, approximately mid-to-late March and mid-to-late October. [Daily Facts, Games and Activities are available all year; "Ask a Question" has archived answers only -- until LIVE during Solar Week.]

If the Moon Were Only 1 Pixel - A tediously accurate map of the solar system Mercury Venus Earth You Are Here Galleries - NASA Solar System Exploration Like early explorers mapping the continents of our globe, astronomers are busy charting the spiral structure of our galaxy, the Milky Way. Using infrared images from NASA's Spitzer Space Telescope, scientists have discovered that the Milky Way's elegant spiral structure is dominated by just two arms wrapping off the ends of a central bar of stars. Previously, our galaxy was thought to possess four major arms.

Leigh Clark: The Degeneration of Facebook in 10 Statuses In the olden days, Facebook was a fun place to find out what old friends were were up to. A place to catch up with people you'd lost touch with and somewhere you would share a picture of your cute new kitten or your adorable puppy. Unfortunately, things changed, you were given access to things that your friends liked and your friends friends decided to add you because you kept popping up in their suggestions box and before you knew it, you were up to your eyeballs in people you barely knew or people that would add you but totally ignore you if you passed them in the street. These are the dark days of Facebook. Gone are the kittens and puppies, they've been replaced by vomit inducing images of dogs being punched, roadkill, videos of children being punched on public transport, girls sucking on used tampons, kids stabbing their hands with knives, injuries, insults, masturbation and sexually suggestive selfies. It's a place for generating hatred, inciting witch-hunts and scare mongering.

Earthshine, the Moon's Darker Side With a subtle beauty all its own, the earthshine we see glowing in the lunar night invites us to consider Earth's many connections to the Moon. A 2-day-old crescent moon is filled out by light twice reflected — first by Earth and then from the moon back to our eyes. Bob King This week's crescent Moon offers more than two horns to hang your hat on. 6429 FREE Grammar Worksheets Grammar can often be very difficult to teach and just as difficult to learn - but Busyteacher.org has 11,005 printable grammar worksheets in different categories. Whether you're looking for worksheets on a specific topics, like movies, nationalities, or music; or on a specific area of grammar, like tenses, gerunds, prepositions, or modal verbs, BusyTeacher.org has got you covered. All 11,005 of our printable worksheets are completely free to download without registering or logging in, and every single one of them was created and submitted by fellow ESL teachers from around the world.

TED Ed: The Moon Illusion This is What Outer Space Does to Your Body NASA astronaut, engineer, and former football player Leland Melvin explains how the human body changes when it leaves the confines of Planet Earth. Your body may become taller, your heart might get smaller and change ... How the International Space Station Was Built – TED Ed How do you build something that's the size of a six bedroom house and weighs more than 320 cars, all while orbiting the Earth at 17,398 miles (28,000 km) per hour? Assemble it piece by piece, and with lots of collabor...

Picture Match Picture Match is designed to give new readers practice with identifying beginning-letter and short- and long-vowels sounds through a simple, fun game. Updated in 2008, the game features all letters of the alphabet. In the beginning-letter sounds section, a picture of an object (for example, a car) is displayed, and students are prompted to choose the letter that corresponds with the first letter of the word. In the short- and long-vowel sounds sections, students are prompted to choose the vowel that corresponds with the word. If students choose the correct match, they get words of encouragement and a new picture. If they do not choose the correct match, they receive an audible prompt and can then try again, choosing among the remaining letters.

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