On 9 May 2016 an unusual event will happen – the planet Mercury will move across the face of the Sun, which is known as a transit. This gives us a rare chance to see a planet moving slowly in its orbit around the - Planet Us - Document - PDFSEARCH.IO

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Date: 2016-04-26 06:56:29		On 9 May 2016 an unusual event will happen – the planet Mercury will move across the face of the Sun, which is known as a transit. This gives us a rare chance to see a planet moving slowly in its orbit around the Add to Reading List Source URL: www.popastro.com Download Document from Source Website File Size: 1,01 MB Share Document on Facebook