Satellites orbiting the Earth such as the Space Shuttle make one orbit every 90 minutes and cover a circumference of about 40,000 kilometers. This works out to about 445 kilometers per minute or 26,000 kilometers/hour which is 17,000 miles per hour.atellites orbiting the Earth such as the Space Shuttle make one orbit every 90 minutes and cover a circumference of about 40,000 kilometers. This works out to about 445 kilometers per minute or 26,000 kilometers/hour which is 17,000 miles per hour.
Part of the Internet acronyms and lingo glossary: A pop-up ad is a pop-up window used for advertising. When the program is initiated by some user action, such as a mouse click or a mouseover, a window containing an offer for some product or service appears in the foreground of the visual interface.
Stop pop-up ads and adware in Safari. How to control pop-up ads and ad-injection software (adware). Pop-up ads are advertisements that open over or under your browser window, in another tab, or as a graphic element within the current window. To control pop-ups, you can update your software and adjust Safari settings.In some cases, you might need to remove adware.heck Safari settings and extensions. On your Mac, choose Preferences from the Safari menu, then follow these steps: 1  Click the Security icon and select âBlock pop-up windows to stop some types of pop-ups. 2  Check your homepage and search-engine settings. 3  Ad-injection software sometimes changes these settings.