An exponential increase in the number of satellites placed in low-Earth orbit has brought advances in telecommunications including broadband access in rural and remote areas worldwide. It also has ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

You almost certainly know Newton's famous thought experiment about orbits, but just in case you don't, here it is, as presented by Universe Today's Fraser Cain: Imagine you had a cannon that could ...

Space-based telescopes have changed our view of the Universe in the last 25 years and the future looks promising. A number of new observatories and observing techniques, both on the ground and in ...

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When Galileo's name comes up, most people think about his contributions to observational astronomy. However, he did lots of other stuff including investigating the speed of light. During his time, ...

Two weeks after entering solar sailing mode, the Planetary Society’s LightSail 2 spacecraft has managed to raise its orbit by nearly 2 miles, in an important test of this promising new means of ...

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