Space

Scientists want mini satellites to act as space cops to control traffic in orbit

Scientists want mini satellites to act as space cops to control traffic in orbit

A group of scientists from the Lawrence Livermore National Laboratory has devised a plan that will use mini satellites to act as cops in space. The little satellites would be used to help control traffic in space and refine trajectories to prevent collisions. The scientist recently used a series of images that were taken over a 60-hour period from a ground-based satellite to prove you can refine the orbit of another satellite in low earth orbit.

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Mars mystery rock analysis shows unusual composition following sudden appearance

Mars mystery rock analysis shows unusual composition following sudden appearance

The NASA rover Opportunity sent back a couple of surprising images from Mars last week, both of which were taken with its Pancam, revealing the rather sudden appearance of a small rock. Researchers were surprised at the quick change, and though they offered a couple possible explanations, an investigation was kicked off to try and determine how it happened. Fast-forward through the weekend, and an analysis has offered a new surprise: the chemical composition is unlike anything previously analyzed on the Red Planet.

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Rosetta spacecraft confirms awakening ahead of comet-landing mission

Rosetta spacecraft confirms awakening ahead of comet-landing mission

On Friday, it was revealed the comet-destined Rosetta spacecraft would awaken from its long hibernation in preparation for a mission that has been ten years in the making, with confirmation of its successful arousal set for today. In what ended up being a nail-biting occasion for the folks awaiting the spacecraft's alter, it has been announced that a blip appeared on the European Space Agency's operations center's displays, confirming the success.

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Mars rock appears out of seemingly nowhere in Opportunity rover image

Mars rock appears out of seemingly nowhere in Opportunity rover image

A few NASA rovers have been working their way through the Red Planet, each working to expand scientists' knowledge of Mars and its history. As part of this, large quantities of images are taken and shuttled back to Earth, where researchers analyze them. Recently, the rover Opportunity sent back two images of the same area that had one surprising difference: the sudden appearance of a rock that hadn't been there shortly before.

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