The highest normal orbits for satellites are geostationary (sometimes called geosynchronous); a constant speed lets the satellite maintain the same view of Earth all the time.
Category Archives: Space
How high do satellites orbit?
27-Apr-10What was the Big Bang?
27-Apr-10The Big Bang Theory is the most widely accepted explanation for the origin and evolution of the Universe, though some scientists dispute it and many say it may never be proven.
What is astrobiology?
27-Apr-10It’s the study of evolution and the origin, destiny, and distribution of life in the universe. Relying on the biological sciences, space exploration and space technology, the discipline asks: Where did we come from? Are we alone? What is our future on Earth and in space?
Explore the Science of Asteroids
27-Apr-10How many planets orbit our Sun? If you said nine, you’re shy by several thousand. Scientists consider asteroids to be minor planets – some are hundreds of miles wide (and seldom round).
Ministers who oversee the European Space Agency’s (ESA’s) budget and programs on Wednesday extended a freeze on space science spending for another 4 years, despite warnings that such a move would imperil several of ESA’s ambitious plans for the next decade.
Far-Out Cosmic Walls
11-Oct-96New findings suggest that galaxies form massive wall-like structures in the far reaches of the universe. In the 1 November issue of the Astrophysical Journal, Judith Cohen of the California Institute of Technology and colleagues at the University of Hawaii report evidence for what may be walls of galaxies as far as 8 billion light-years [...]
South African astronomers are making a pitch to build what would be the largest telescope in the Southern Hemisphere. Officials of the South African Astronomical Observatory (SAAO) and a U.S. delegation of astronomers will meet with South African government officials in Pretoria later this week to try to persuade the government to ante up $10 [...]