High DPI landing images for PR 9917 (#400)

Author: bene-dictator

copyright

@@ -189,6 +189,12 @@ License: public-domain
  for the MESSENGER mission. Because it was produced for
  a NASA mission, it is in the public domain.
 
+Files:
+ images/land/mars4*
+Copyright: NASA
+License: public-domain
+ Derived from works by NASA/JPL-Caltech/Malin Space Science Systems.
+
 Files:
  images/land/sea23*
 Copyright: Dan Stark
@@ -328,10 +334,18 @@ Copyright: 1010todd
 Comment: Derived from works by Evan Fluharty (Evanfluharty@gmail.com)
 License: CC-BY-SA-4.0
 
+Files:
+ images/land/moon0*
+Copyright: NASA/GSFC/Arizona State University
+License: public-domain
+ From NASA, and therefore in the public domain because they were created by
+ government employees while doing work for the government.
+
 Files:
  images/land/desert0*
  images/land/earthrise*
  images/land/nasa*
+ images/land/moon1*
  images/land/space*
  images/land/station1*
  images/land/station2*
@@ -1732,6 +1746,17 @@ Comment:
  so it is subject to an additional restriction limiting the
  sale of unaltered copies.
 
+Files:
+ images/land/station49*
+Copyright: Andrea De Santis
+License: Unsplash
+Comment:
+ Taken from https://archive.is/jIP5x and cropped. This image was
+ uploaded to unsplash.com after June 2017, so it is subject
+ to the Unsplash License. It was also uploaded after February
+ 2018, so it is subject to an additional restriction limiting
+ the sale of unaltered copies.
+
 Files: images/land/lava11*
 Copyright: National Archives and Records Administration
 License: public-domain
@@ -1781,6 +1806,17 @@ Copyright: Damien Jemison
 License: CC-BY-SA-3.0
 Comment: Taken from https://commons.wikimedia.org/wiki/File:Preamplifier_at_the_National_Ignition_Facility.jpg
 
+Files:
+ images/land/station50*
+Copyright: Mariia Ilina
+License: Unsplash
+Comment:
+ Taken from https://archive.is/mQO7C, rotated and cropped. This
+ image was uploaded to unsplash.com after June 2017, so it is
+ subject to the Unsplash License. It was also uploaded after
+ February 2018, so it is subject to an additional restriction
+ limiting the sale of unaltered copies.
+
 Files:
  images/land/station15*
 Copyright: N/A (CC0 Public Domain)
@@ -2451,6 +2487,12 @@ Copyright: bene_dictator <benstaples8068@gmail.com>
 License: CC-BY-SA-4.0
 Comment: Derived from works by Michael Zahniser (under the same license), detailed by Saugia.
 
+Files:
+ images/planet/station19*
+Copyright: bene_dictator <benstaples8068@gmail.com>
+License: CC-BY-SA-4.0
+Comment: Derived from works by Michael Zahniser (under the same license).
+
 Files:
  images/asteroid/*bioroid*
  images/effect/blink*