The interstellar cloud of gas and dust—named for Australian-born astronomer Colin Stanley Gum, who cataloged 84 nebulae across the southern sky—is located about 3,600 light-years away from Earth, ...

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Want to start an aquarium but don’t want tricky fish to take care of? Small freshwater fish are perfect. They are colourful, lively, and fun to watch. They make your tank look full of life without ...