Happy Equinox

The Southern hemisphere Autumn Equinox for 2021 will occur at 8:37pm AEDT or 9:37am UT on Saturday March 20. Many cultures around the world celebrate the whole day as the…

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The Moon at Perigee

The Moon's orbit around Earth is elliptical. The point of the orbit closest to Earth is called perigee, while the point farthest from Earth is known as apogee. The Moon…

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On this day – 24 October

The Danish astronomer Tycho Brahe died on October 24th, 1601. In 1901, on the 300th anniversary of his death, the bodies of Tycho Brahe and his wife Kirstine were exhumed…

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Seeing Jupiters Galilean Moons

Jupiter has at least 79 natural satellites, or moons — many are small objects that have been trapped by the massive planet's gravity. The four largest moons were first observed…

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