![]() ![]() ![]() Clicking on a satellite name/icon will take you to a close-up view (a detailed 3D representation) of it in space. With Satellites, you can zero in on specific Earth-orbiting artificial satellites, the Hubble Space Telescope and the International Space Station (ISS) the most notable of them. Expanding the Sun view shows you the planets in motion, although its scale is such that the inner planets vanish when you expand the view to encompass the outer worlds.Īlso in Search are tabs marked Satellites, Geography, and Stars. You can either control the motion by hand, or set the slider in motion by sweeping your finger upwards or downwards and letting go.Ĭlicking on the information ("i") icon for a world gives you general information about it, figures (data), some info on the world's internal structure, and a list of science missions to it.īy using the slider and clock, you can set these objects in motion as well, so you could watch, for example, the globe of Mars rotate (surface features are marked, and there's a 3D depiction of the Curiosity rover at Gale Crater) Jupiter's cloud belts rotating, and its four large moons in orbit or the pear-shaped nucleus of Halley's Comet releasing clouds of gas and dust as it rotates. If you expand the view by pinching, it will show the Moon in motion around the Earth as well. By setting the clock for minutes, hours, days, months, or years and engaging the slider, you can enable the Earth to rotate (and watch artificial satellites in motion, at least at the slower speeds). One fun feature of Solar Walk is the time slider along the right-hand edge, coupled with the digital clock at upper right. This impressive iPad app provides a good introduction to the solar system for younger students as well as newcomers to astronomy.Īfter the app's gorgeous opening screen, showing an artist's view of the inner solar system, the app zeroes in on Earth, showing satellites and their orbits around it, continents, vegetation, clouds, and seas, and the lights on our planet's night side when you rotate it (by sweeping your finger across the screen). It lets you view and scale 3D representations of the Sun, planets, comets, and asteroids, view information on, and (in most cases) images of these objects, and view the solar system (or a planet and its moons) in motion. While the Editors' Choice Star Walk 6 (for iPad) reveals the night sky, including constellations, star clusters, galaxies, nebulae, and planets, another Vito Technology app, Solar Walk (for iPad) ($2.99), focuses on our solar system.
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