Make the size of each image in the collage proportional to the mass of the planet:
ImageCollage[EntityValue[\!\(\*
NamespaceBox["LinguisticAssistant",
DynamicModuleBox[{Typeset`query$$ = "planets", Typeset`boxes$$ = 
       TemplateBox[{"\"planets\"", 
RowBox[{"EntityClass", "[", 
RowBox[{"\"Planet\"", ",", "All"}], "]"}], 
         "\"EntityClass[\\\"Planet\\\", All]\"", "\"planets\""}, 
        "EntityClass"], 
       Typeset`allassumptions$$ = {{
        "type" -> "Clash", "word" -> "planets", 
         "template" -> "Assuming \"${word}\" is ${desc1}. Use as \
${desc2} instead", "count" -> "4", 
         "Values" -> {{
           "name" -> "PlanetClass", "desc" -> " referring to planets",
             "input" -> "*C.planets-_*PlanetClass-"}, {
           "name" -> "ExoplanetClass", 
            "desc" -> " referring to exoplanets", 
            "input" -> "*C.planets-_*ExoplanetClass-"}, {
           "name" -> "MinorPlanetClass", 
            "desc" -> " referring to minor planets", 
            "input" -> "*C.planets-_*MinorPlanetClass-"}, {
           "name" -> "Word", "desc" -> "a word", 
            "input" -> "*C.planets-_*Word-"}}}}, 
       Typeset`assumptions$$ = {}, Typeset`open$$ = {1}, 
       Typeset`querystate$$ = {
       "Online" -> True, "Allowed" -> True, 
        "mparse.jsp" -> 0.280396`5.899316807390027, 
        "Messages" -> {}}}, 
DynamicBox[ToBoxes[
AlphaIntegration`LinguisticAssistantBoxes["", 4, Automatic, 
Dynamic[Typeset`query$$], 
Dynamic[Typeset`boxes$$], 
Dynamic[Typeset`allassumptions$$], 
Dynamic[Typeset`assumptions$$], 
Dynamic[Typeset`open$$], 
Dynamic[Typeset`querystate$$]], StandardForm],
ImageSizeCache->{60., {7., 16.}},
TrackedSymbols:>{
         Typeset`query$$, Typeset`boxes$$, Typeset`allassumptions$$, 
          Typeset`assumptions$$, Typeset`open$$, 
          Typeset`querystate$$}],
DynamicModuleValues:>{},
UndoTrackedVariables:>{Typeset`open$$}],
BaseStyle->{"Deploy"},
DeleteWithContents->True,
Editable->False,
SelectWithContents->True]\), "Mass"] -> EntityValue[\!\(\*
NamespaceBox["LinguisticAssistant",
DynamicModuleBox[{Typeset`query$$ = "planets", Typeset`boxes$$ = 
       TemplateBox[{"\"planets\"", 
RowBox[{"EntityClass", "[", 
RowBox[{"\"Planet\"", ",", "All"}], "]"}], 
         "\"EntityClass[\\\"Planet\\\", All]\"", "\"planets\""}, 
        "EntityClass"], 
       Typeset`allassumptions$$ = {{
        "type" -> "Clash", "word" -> "planets", 
         "template" -> "Assuming \"${word}\" is ${desc1}. Use as \
${desc2} instead", "count" -> "4", 
         "Values" -> {{
           "name" -> "PlanetClass", "desc" -> " referring to planets",
             "input" -> "*C.planets-_*PlanetClass-"}, {
           "name" -> "ExoplanetClass", 
            "desc" -> " referring to exoplanets", 
            "input" -> "*C.planets-_*ExoplanetClass-"}, {
           "name" -> "MinorPlanetClass", 
            "desc" -> " referring to minor planets", 
            "input" -> "*C.planets-_*MinorPlanetClass-"}, {
           "name" -> "Word", "desc" -> "a word", 
            "input" -> "*C.planets-_*Word-"}}}}, 
       Typeset`assumptions$$ = {}, Typeset`open$$ = {1}, 
       Typeset`querystate$$ = {
       "Online" -> True, "Allowed" -> True, 
        "mparse.jsp" -> 0.280396`5.899316807390027, 
        "Messages" -> {}}}, 
DynamicBox[ToBoxes[
AlphaIntegration`LinguisticAssistantBoxes["", 4, Automatic, 
Dynamic[Typeset`query$$], 
Dynamic[Typeset`boxes$$], 
Dynamic[Typeset`allassumptions$$], 
Dynamic[Typeset`assumptions$$], 
Dynamic[Typeset`open$$], 
Dynamic[Typeset`querystate$$]], StandardForm],
ImageSizeCache->{60., {7., 16.}},
TrackedSymbols:>{
         Typeset`query$$, Typeset`boxes$$, Typeset`allassumptions$$, 
          Typeset`assumptions$$, Typeset`open$$, 
          Typeset`querystate$$}],
DynamicModuleValues:>{},
UndoTrackedVariables:>{Typeset`open$$}],
BaseStyle->{"Deploy"},
DeleteWithContents->True,
Editable->False,
SelectWithContents->True]\), "Image"]]
Make the collage larger and set the background to black:
ImageCollage[EntityValue[\!\(\*
NamespaceBox["LinguisticAssistant",
DynamicModuleBox[{Typeset`query$$ = "planets", Typeset`boxes$$ = 
       TemplateBox[{"\"planets\"", 
RowBox[{"EntityClass", "[", 
RowBox[{"\"Planet\"", ",", "All"}], "]"}], 
         "\"EntityClass[\\\"Planet\\\", All]\"", "\"planets\""}, 
        "EntityClass"], 
       Typeset`allassumptions$$ = {{
        "type" -> "Clash", "word" -> "planets", 
         "template" -> "Assuming \"${word}\" is ${desc1}. Use as \
${desc2} instead", "count" -> "4", 
         "Values" -> {{
           "name" -> "PlanetClass", "desc" -> " referring to planets",
             "input" -> "*C.planets-_*PlanetClass-"}, {
           "name" -> "ExoplanetClass", 
            "desc" -> " referring to exoplanets", 
            "input" -> "*C.planets-_*ExoplanetClass-"}, {
           "name" -> "MinorPlanetClass", 
            "desc" -> " referring to minor planets", 
            "input" -> "*C.planets-_*MinorPlanetClass-"}, {
           "name" -> "Word", "desc" -> "a word", 
            "input" -> "*C.planets-_*Word-"}}}}, 
       Typeset`assumptions$$ = {}, Typeset`open$$ = {1}, 
       Typeset`querystate$$ = {
       "Online" -> True, "Allowed" -> True, 
        "mparse.jsp" -> 0.280396`5.899316807390027, 
        "Messages" -> {}}}, 
DynamicBox[ToBoxes[
AlphaIntegration`LinguisticAssistantBoxes["", 4, Automatic, 
Dynamic[Typeset`query$$], 
Dynamic[Typeset`boxes$$], 
Dynamic[Typeset`allassumptions$$], 
Dynamic[Typeset`assumptions$$], 
Dynamic[Typeset`open$$], 
Dynamic[Typeset`querystate$$]], StandardForm],
ImageSizeCache->{60., {7., 16.}},
TrackedSymbols:>{
         Typeset`query$$, Typeset`boxes$$, Typeset`allassumptions$$, 
          Typeset`assumptions$$, Typeset`open$$, 
          Typeset`querystate$$}],
DynamicModuleValues:>{},
UndoTrackedVariables:>{Typeset`open$$}],
BaseStyle->{"Deploy"},
DeleteWithContents->True,
Editable->False,
SelectWithContents->True]\), "Mass"] -> EntityValue[\!\(\*
NamespaceBox["LinguisticAssistant",
DynamicModuleBox[{Typeset`query$$ = "planets", Typeset`boxes$$ = 
       TemplateBox[{"\"planets\"", 
RowBox[{"EntityClass", "[", 
RowBox[{"\"Planet\"", ",", "All"}], "]"}], 
         "\"EntityClass[\\\"Planet\\\", All]\"", "\"planets\""}, 
        "EntityClass"], 
       Typeset`allassumptions$$ = {{
        "type" -> "Clash", "word" -> "planets", 
         "template" -> "Assuming \"${word}\" is ${desc1}. Use as \
${desc2} instead", "count" -> "4", 
         "Values" -> {{
           "name" -> "PlanetClass", "desc" -> " referring to planets",
             "input" -> "*C.planets-_*PlanetClass-"}, {
           "name" -> "ExoplanetClass", 
            "desc" -> " referring to exoplanets", 
            "input" -> "*C.planets-_*ExoplanetClass-"}, {
           "name" -> "MinorPlanetClass", 
            "desc" -> " referring to minor planets", 
            "input" -> "*C.planets-_*MinorPlanetClass-"}, {
           "name" -> "Word", "desc" -> "a word", 
            "input" -> "*C.planets-_*Word-"}}}}, 
       Typeset`assumptions$$ = {}, Typeset`open$$ = {1}, 
       Typeset`querystate$$ = {
       "Online" -> True, "Allowed" -> True, 
        "mparse.jsp" -> 0.280396`5.899316807390027, 
        "Messages" -> {}}}, 
DynamicBox[ToBoxes[
AlphaIntegration`LinguisticAssistantBoxes["", 4, Automatic, 
Dynamic[Typeset`query$$], 
Dynamic[Typeset`boxes$$], 
Dynamic[Typeset`allassumptions$$], 
Dynamic[Typeset`assumptions$$], 
Dynamic[Typeset`open$$], 
Dynamic[Typeset`querystate$$]], StandardForm],
ImageSizeCache->{60., {7., 16.}},
TrackedSymbols:>{
         Typeset`query$$, Typeset`boxes$$, Typeset`allassumptions$$, 
          Typeset`assumptions$$, Typeset`open$$, 
          Typeset`querystate$$}],
DynamicModuleValues:>{},
UndoTrackedVariables:>{Typeset`open$$}],
BaseStyle->{"Deploy"},
DeleteWithContents->True,
Editable->False,
SelectWithContents->True]\), "Image"], ImageSize -> 600, 
 Background -> Black]
ImageCollage[EntityValue[\!\(\*
NamespaceBox["LinguisticAssistant",
DynamicModuleBox[{Typeset`query$$ = "planets", Typeset`boxes$$ = 
       TemplateBox[{"\"planets\"", 
RowBox[{"EntityClass", "[", 
RowBox[{"\"Planet\"", ",", "All"}], "]"}], 
         "\"EntityClass[\\\"Planet\\\", All]\"", "\"planets\""}, 
        "EntityClass"], 
       Typeset`allassumptions$$ = {{
        "type" -> "Clash", "word" -> "planets", 
         "template" -> "Assuming \"${word}\" is ${desc1}. Use as \
${desc2} instead", "count" -> "4", 
         "Values" -> {{
           "name" -> "PlanetClass", "desc" -> " referring to planets",
             "input" -> "*C.planets-_*PlanetClass-"}, {
           "name" -> "ExoplanetClass", 
            "desc" -> " referring to exoplanets", 
            "input" -> "*C.planets-_*ExoplanetClass-"}, {
           "name" -> "MinorPlanetClass", 
            "desc" -> " referring to minor planets", 
            "input" -> "*C.planets-_*MinorPlanetClass-"}, {
           "name" -> "Word", "desc" -> "a word", 
            "input" -> "*C.planets-_*Word-"}}}}, 
       Typeset`assumptions$$ = {}, Typeset`open$$ = {1}, 
       Typeset`querystate$$ = {
       "Online" -> True, "Allowed" -> True, 
        "mparse.jsp" -> 0.193306`5.737790327744138, 
        "Messages" -> {}}}, 
DynamicBox[ToBoxes[
AlphaIntegration`LinguisticAssistantBoxes["", 4, Automatic, 
Dynamic[Typeset`query$$], 
Dynamic[Typeset`boxes$$], 
Dynamic[Typeset`allassumptions$$], 
Dynamic[Typeset`assumptions$$], 
Dynamic[Typeset`open$$], 
Dynamic[Typeset`querystate$$]], StandardForm],
ImageSizeCache->{63., {7., 16.}},
TrackedSymbols:>{
         Typeset`query$$, Typeset`boxes$$, Typeset`allassumptions$$, 
          Typeset`assumptions$$, Typeset`open$$, 
          Typeset`querystate$$}],
DynamicModuleValues:>{},
UndoTrackedVariables:>{Typeset`open$$}],
BaseStyle->{"Deploy"},
DeleteWithContents->True,
Editable->False,
SelectWithContents->True]\), "Mass"] -> EntityValue[\!\(\*
NamespaceBox["LinguisticAssistant",
DynamicModuleBox[{Typeset`query$$ = "planets", Typeset`boxes$$ = 
       TemplateBox[{"\"planets\"", 
RowBox[{"EntityClass", "[", 
RowBox[{"\"Planet\"", ",", "All"}], "]"}], 
         "\"EntityClass[\\\"Planet\\\", All]\"", "\"planets\""}, 
        "EntityClass"], 
       Typeset`allassumptions$$ = {{
        "type" -> "Clash", "word" -> "planets", 
         "template" -> "Assuming \"${word}\" is ${desc1}. Use as \
${desc2} instead", "count" -> "4", 
         "Values" -> {{
           "name" -> "PlanetClass", "desc" -> " referring to planets",
             "input" -> "*C.planets-_*PlanetClass-"}, {
           "name" -> "ExoplanetClass", 
            "desc" -> " referring to exoplanets", 
            "input" -> "*C.planets-_*ExoplanetClass-"}, {
           "name" -> "MinorPlanetClass", 
            "desc" -> " referring to minor planets", 
            "input" -> "*C.planets-_*MinorPlanetClass-"}, {
           "name" -> "Word", "desc" -> "a word", 
            "input" -> "*C.planets-_*Word-"}}}}, 
       Typeset`assumptions$$ = {}, Typeset`open$$ = {1}, 
       Typeset`querystate$$ = {
       "Online" -> True, "Allowed" -> True, 
        "mparse.jsp" -> 0.19434`5.740107191889794, "Messages" -> {}}}, 
DynamicBox[ToBoxes[
AlphaIntegration`LinguisticAssistantBoxes["", 4, Automatic, 
Dynamic[Typeset`query$$], 
Dynamic[Typeset`boxes$$], 
Dynamic[Typeset`allassumptions$$], 
Dynamic[Typeset`assumptions$$], 
Dynamic[Typeset`open$$], 
Dynamic[Typeset`querystate$$]], StandardForm],
ImageSizeCache->{63., {7., 16.}},
TrackedSymbols:>{
         Typeset`query$$, Typeset`boxes$$, Typeset`allassumptions$$, 
          Typeset`assumptions$$, Typeset`open$$, 
          Typeset`querystate$$}],
DynamicModuleValues:>{},
UndoTrackedVariables:>{Typeset`open$$}],
BaseStyle->{"Deploy"},
DeleteWithContents->True,
Editable->False,
SelectWithContents->True]\), "Image"], ImageSize -> 600, 
 Background -> Black]