How To See 'Lunar X' on the Moon Tonight
The striking X mark on the moon, which requires a certain amount of luck to be spotted, will be visible for around four hours ...
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3.5 billion-year-old crater created by meteorite impact found in Australia, scientists say
The impact crater could be linked to the origins of life on Earth. The discovery of a massive crater formed by the impact of a meteorite more than three billion years ago is changing the way ...