Matches in DBpedia 2014 for { ?s ?p Wolf–Rayet stars (often referred to as WR stars) are evolved, massive stars (over 20 solar masses when they were on the main sequence) which are losing mass rapidly by means of a very strong stellar wind, with speeds up to 2000 km/s. They typically lose 10−5 solar masses a year, a billion times higher than the sun. Wolf–Rayet stars are extremely hot, with surface temperatures in the range of 30,000 K to around 200,000 K.. }
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- Wolf–Rayet_star comment "Wolf–Rayet stars (often referred to as WR stars) are evolved, massive stars (over 20 solar masses when they were on the main sequence) which are losing mass rapidly by means of a very strong stellar wind, with speeds up to 2000 km/s. They typically lose 10−5 solar masses a year, a billion times higher than the sun. Wolf–Rayet stars are extremely hot, with surface temperatures in the range of 30,000 K to around 200,000 K.".