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Supernovas are massive exploding stars in the Milky Way, which are visible from Earth. Eventually, they become incorporated into new planets and stars. In this way, the heavy element content of the Milky Way and other spiral galaxies is slowly but steadily increased.
Mention the words #8220;scientists#8221; and one will immediately think of characters like Dr Frankenstein and stories such as Dr Jekyll and Mr Hyde. #8220;But the question is, what is good science. Do we mean exciting and novel, safe and careful or relevant?#8221;
In July, scientists released what they called the best pictures yet of the frozen surface of Saturn's enormous moon Titan.