Ask a question
Do you have burning questions on astronomy and astrophysics, particularly planetary science? Something you always wanted to know about (exo-)planets, how they behave, where they come from, how we know about this all?
Then we invite you to get them off your chest! Send us an email using the button below, and we will find the answer using our wide-ranging network of top-notch planetary scientists.
In the info carousel below you will find a selection of exciting articles. Click here for an overview of all articles.
The beginnings of exoplanet exploration
What hurdles had to be overcome on the the path to the discovery of the first extrasolar planets?
...
Vera C. Rubin Observatory
How will this telescope revolutionise the field of astronomy and our knowledge of the universe?
...
Thüringer Landessternwarte Tautenburg
How does this observatory contribute to the discovery and exploration of extrasolar planets?
...
Historical overview
What hurdles had to be overcome on the the path to the discovery of the first extrasolar planets?
...
Astrometry
What can determining the exact position of a star tell us about a possible planet?
...
Direct Imaging
Why is it so difficult to see an exoplanet directly, even with powerful telescopes?
...
Gravitational lensing
How can Einstein’s theory of relativity help to find planets that are otherwise undetectable?
...
Transit method
How can measuring the brightness of a host star reveal the existence of a planet?
...
Radial velocity method
How does an exoplanet interact with its star and how can we use this?
...
Jupiter-sized planets
Are all gas giants similar to Jupiter or Saturn? What can we learn from these exoplanets?
...
Neptune-sized planets
Why are there so few medium-sized exoplanets close to their host star?
...
Super-Earths
How does this very common class of exoplanets expand our knowledge about planet origins?
...