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This rare phenomenon offers a unique opportunity for skywatchers in Austria to marvel at the planets in an impressive alignment.
Seven-planet parade on 28 February 2025
Since January 21, 2025, six planets – Mars, Jupiter, Uranus, Neptune, Venus, and Saturn – have been visible in the evening sky. On 28 February, Mercury will join them, making a total of seven planets appear in a line. While Mars, Jupiter, Venus and Saturn are visible to the naked eye, you will need a telescope or good binoculars for Uranus and Neptune. Mercury is a particular challenge for observers due to its proximity to the sun and its short visibility period in twilight.
Optimal observation times
The best time to observe this event is shortly after sunset, between 17:00 and 21:30. Look for a place with a clear view of the horizon and as little light pollution as possible to experience the planetary parade in its full splendour. Note that weather conditions can affect visibility; clear, cloudless nights are ideal.
Scientific background
A planetary parade occurs when several planets line up as seen from Earth. This phenomenon is caused by the planets’ different orbits and speeds around the sun, causing them to periodically gather on one side of the sun and appear in a line when viewed from Earth.
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