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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with New 杏吧原创鈥檚 exclusive in-depth articles, interviews and long reads.
Space
Asteroids that speed up unexpectedly may be 鈥榙ark comets鈥� in disguise
Some asteroids appear to accelerate in ways that can鈥檛 be accounted for by gravity, suggesting they might be firing out invisible jets of gas - like those of comets
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