Star Names
Some star names are historically developed, other take from indigenous cultures and some are totally artificial.
Constellations
even if you think you know them, you still can learn something new here.
Exoplanets in Astrophysics
NameExoWorlds
names of exoplanets
Latest News
Letter from a reader
Dear friends of the IAU – WGSN, I am Paolo Palma, an elementary school teacher and visual astronomer for over 25 years. With this email I wanted to thank you[…]
Babylonian Cultural Astronomy
In the recent issue of JAHH, a paper argues that the original Babylonian constellations (pre-MUL.APIN) were used and invented to serve as a cultural calendar. A whole lecture on how[…]
WGSN explained by Eric Mamajek
For the scientific meeting in November 2023, the founder of the Working Group summarized the ideas, goals and developments.
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)
Inka Dark Constellations
by Jessica Gullberg