In this outstanding and educational talk, [Michael Büker] walks us through the history of our understanding of the planets. The question “What is a planet?” is probably more about the ...

Related: Night sky, April 2025: What you can see tonight [maps] Read more: Best telescopes for seeing planets in 2025 Want to see planets up close in the night sky? The Celestron NexStar 4SE is ...

We search for extrasolar planets and determine their properties. We develop models that describe the atmospheres of the planets. We want to find out what makes a planet favourable to life. Through ...

The recent and much-ballyhooed "planetary parade" was an interesting celestial event that likely spurred even infrequent skywatchers to seek out the seven planets stretched out across the sky.