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24-hour time lapse of global air traffic. Geolocation in the Browser « Mozilla Webdev. Firefox 3.5 makes it super simple to discover the location of a user on your website You can read more about it from Doug Turner or the official Mozilla page, but today I want to look at how to use the new API. The following image is a screenshot of geolocation plus Google maps. If you’re running Firefox 3.5, we’ll replace that with a real map showing your current position.

Geolocation finding me at the Mozilla office. First, we should check that the browser supports the Geolocation API: if (! Now that we’ve cleared out the riff-raff we can dive in to the new feature: navigator.geolocation.getCurrentPosition() I love the simplicity of this API; that’s all you need to know to get the user’s position! Navigator.geolocation.getCurrentPosition(function(position) { alert(position.coords.latitude + ", " + position.coords.longitude); }); Since it takes a few seconds to gather location data and send it up to the geolocation services, we must use an asynchronous callback instead of a return value. Build a Solar System Model. WIKISKY.ORG. SolarBeat. Low Mass Stars. Visual Satellite Observer's Home Page. From left to right the above images are: A Soyuz manned capsule.

Satellite captured on a long exposure photograph. The external tank caught just after separation during the STS-2 shuttle mission. If you have ever star-gazed shortly after sunset or before sunrise, you have probably noticed one or two "stars" sailing gracefully across the sky. These are Earth-orbiting satellites, visible due to the reflection of the Sun's light off their surfaces toward the observer. Hundreds of satellites are visible to the unaided eye; thousands are visible using binoculars and telescopes. Observing satellites has many enthusiasts around the world.

Amateur astronomers seeking new challenges, find that spotting faint, rapidly moving satellites, such as the tiny Vanguard 1 (America's second satellite), are comparable to spotting a distant galaxy. Positional observers precisely measure the time and position of satellites as they cross the sky. 3999760121_595b0b28e9_o.jpg (JPEG Image, 3861 × 1706 pixels) - Scaled (30. Clickwatch - CodeFromThe70s.org. Air traffic in 24 hours. Earth View. Deadliest places marked on 'death map' - Citizen Rain. Countrychart_4080.jpg (JPEG Image, 4080 × 2040 pixels) - Scaled (25%)