Tag Archives: NASA

A voyager on an unknown sea

Early 2012. The Voyager 1 space-probe is millions of kilometres beyond the orbit of the dwarf planet Pluto. In fact, it’s in a region of space filled with scattered rocks and constantly perturbed by charged particles streaming in from outer … Continue reading

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Spitzer has helped choose a near-Earth object the A.R.M. could bring nearer

From its perch up in space, Spitzer can use its heat-sensitive infrared vision to spy asteroids and get better estimates of their sizes. This is what the author of a study that appeared in Astrophysical Journal Letters on June 19 … Continue reading

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