Some points to consider when selecting a location for aurora photography: Geographic Latitude: It would be ideal, although not necessary, to find a spot within the auroral belt. (According to Dr. Syun-Ichi Akasofu, this is the polar region where the aurora is visible about two-thirds of the...
It is a function that allows users to have a two-way communication. In areas not covered by cellular or communication signals, BDS can make the short message service available in uninhabited areas, such as deserts, forests, and mountainous or polar regions. With this service,...
It’s about half the size of Earth, and, like Earth, Mars has seasons, polar ice caps, volcanoes, canyons, and weather! Our hands-on activity for this section is all about finding out what it would take to create a home on Mars… and then creating that home out of Lego! You will...
To place a satellite in a stable orbit around Earth, it must overcome Earth’s gravitational pull and air resistance in the lower atmosphere. Theescape velocityfor a satellite is around 7 miles per second. Even after escaping Earth, the pull of gravity contests a satellite’s tendency to rema...
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