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Astronomers Weigh a Pulsar's Planets
Image credit: NASA A team of astronomers have weighed a group of planets orbiting a pulsar by precisely measuring their orbits. So far, two of the system’s three planets have been weighed, and they’re 4.3 and 3.0 times the mass of the Earth. What’s unusual is that the spacing between the planets almost exactly match … Continue reading "Astronomers Weigh a Pulsar’s Planets"
Fraser Cain