Star Names
Some star names are historically developed, other take from indigenous cultures and some are totally artificial.
Constellations
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even if you think you know them, you still can learn something new here.
Exoplanets in Astrophysics
analogue experiments to understand exoplanets
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work like a real physicist with astronomical topics and household means
Citizen Science
Naked Eye observations:
Participate in data collection!
Some suggestions for historical experiments.
Latest News
Ian Ridpath: Pictures in the Sky
On July 15, 2020, in a session of the Virtual Astronomy Club, Ian Ridpath spoke about the history of the constellations. A fascinating tale of how the figures, stories and[…]
Ketkar and the Discovery of Pluto
The Indian astronomer Ketkar had predicted Pluto (and another planet) much more precise than the American and European people who ran the survey programs. However, the discovery in America in[…]
IAU
at home on planet Earth
… seeking to share knowledge with all humans on this planet.
Some photographs: astronomy on planet Earth
Our world is a beautiful place – we need to take care of it!
Moon Through Telescope
Lunar eclipse, observed at Hildesheim (Europe)
Rainbow above Sahara
Observed in Mauretania (Africa)
Short before Transit of Mercury
northwest Sahara (Africa)
a modern Zeiss planetarium
constellation Orion in the dome