Janssen (Mars crater)
| Janssen | |
|---|---|
| properties | |
| width | 2.69 ° N |
| length | 37.61 ° E |
| diameter | 153.63 km |
| depth | unknown |
| named after | Jules Janssen |
Janssen is a crater registered on Mars since 1973 with a diameter of around 154 kilometers .
The crater was named after the French astronomer Jules Janssen (born February 22, 1824 in Paris , † December 23, 1907 in Meudon ).