Comet 21P/Giacobini-Zinner
Comet 21P/Giacobini-Zinner has been discovered in 1900 by Michael Giacobini for the first time. Its another approach has been missed, and in 1913 it…
Comet 21P/Giacobini-Zinner has been discovered in 1900 by Michael Giacobini for the first time. Its another approach has been missed, and in 1913 it…