Every now and again the planets literally align, affording Hubble the perfect conditions to capture detailed images of its distant quarry. This is known as an opposition. Opposition occurs when Earth is positioned with the Sun lined up directly behind it, and an outlying planet, such as Mars, Saturn, or Jupiter, lined up on the opposite side.
Read Again Hubble snaps striking near-opposition portraits of Mars and Saturn : https://ift.tt/2LIqsOsBagikan Berita Ini
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