1.5 au distant is planet relatively rocky sun terrestrial
6800 diameter is km planet relatively rocky small terrestrial
1.5 6800 au diameter distant is km relatively small sun
1.5 6800 au diameter distant km relatively small speeds sun up
1.5 au distant heat internal loss relatively speeds sun up
6800 diameter heat internal km loss relatively small speeds up
channels huge liquid much near past suggest surface water
liquid much near networks past suggest surface valley water
channels huge networks suggest valley
is mars planet rocky terrestrial
activity diversity great no plate present reveal tectonic terrain types
activity consistent heat internal is loss no plate present tectonic
extant heat internal loss may permit possible still volcanism
craters impact include lava plains shield volcanoes
dunes include lava plains shield ubiquitous volcanoes
diversity great include lava plains shield terrain types volcanoes
channels huge include lava plains shield volcanoes
features include lava plains shield tectonic volcanoes
include lava networks plains shield valley volcanoes
canyons huge include lava plains shield volcanoes
craters dunes impact include ubiquitous
craters diversity great impact include terrain types
channels craters huge impact include
craters features impact include tectonic
craters impact include networks valley
canyons craters huge impact include
diversity dunes great include terrain types ubiquitous
channels dunes huge include ubiquitous
dunes features include tectonic ubiquitous
dunes include networks ubiquitous valley
canyons dunes huge include ubiquitous
channels diversity great huge include terrain types
diversity features great include tectonic terrain types
diversity great include networks terrain types valley
canyons diversity great huge include terrain types
channels features huge include tectonic
channels huge include networks valley
canyons channels huge include
features include networks tectonic valley
canyons features huge include tectonic
canyons huge include networks valley
desert is planet red rocky terrestrial today
evidence life liquid motivates much near past search surface water
jupiter neighbor planet rocky terrestrial unlike
25.2 axial degrees earth-like has planet rocky seasons terrestrial tilt
differentiated has interior planet rocky terrestrial
ancient field has magnetic planet rocky terrestrial
24.6 day earth-like has hours planet rocky terrestrial
diversity great has planet rocky terrain terrestrial types
atmosphere but dynamic has planet rocky terrestrial thin
caps has large permanent planet polar rocky seasonal small terrestrial
1.88 has period planet revolution rocky terrestrial years
25.2 axial degrees differentiated earth-like has interior seasons tilt
25.2 ancient axial degrees earth-like field has magnetic seasons tilt
24.6 25.2 axial day degrees earth-like has hours seasons tilt
25.2 axial degrees diversity earth-like great has seasons terrain tilt types
25.2 atmosphere axial but degrees dynamic earth-like has seasons thin tilt
25.2 axial caps degrees earth-like has large permanent polar seasonal seasons small tilt
1.88 25.2 axial degrees earth-like has period revolution seasons tilt years
ancient differentiated field has interior magnetic
24.6 day differentiated earth-like has hours interior
differentiated diversity great has interior terrain types
atmosphere but differentiated dynamic has interior thin
caps differentiated has interior large permanent polar seasonal small
1.88 differentiated has interior period revolution years
24.6 ancient day earth-like field has hours magnetic
ancient diversity field great has magnetic terrain types
ancient atmosphere but dynamic field has magnetic thin
ancient caps field has large magnetic permanent polar seasonal small
1.88 ancient field has magnetic period revolution years
24.6 day diversity earth-like great has hours terrain types
24.6 atmosphere but day dynamic earth-like has hours thin
24.6 caps day earth-like has hours large permanent polar seasonal small
1.88 24.6 day earth-like has hours period revolution years
atmosphere but diversity dynamic great has terrain thin types
caps diversity great has large permanent polar seasonal small terrain types
1.88 diversity great has period revolution terrain types years
atmosphere but caps dynamic has large permanent polar seasonal small thin
1.88 atmosphere but dynamic has period revolution thin years
1.88 caps has large period permanent polar revolution seasonal small years
4.5 billion has history planet rocky terrestrial year
earth like neighbor planet rocky terrestrial
atmosphere but carbon composed dioxide dynamic mainly thin
atmosphere but caps composed dynamic large permanent polar seasonal small thin
caps carbon composed dioxide large mainly permanent polar seasonal small