Jalkr Explained
Jalkr is a bright crater on Jupiter's moon Callisto measuring 74 km across (in the lower part of the image). This an example of a central dome impact crater.[1] A smaller degraded crater in the upper part of the image is called Audr.
Notes and References
- Greeley. R.. Galileo views of the geology of Callisto. Planetary and Space Science. 2000. 48. 829–853. 10.1016/S0032-0633(00)00050-7. 2000P&SS...48..829G. Klemaszewski, J.E.. Wagner L.. 9. the Galileo Imaging Team.