Page 37 - (DK) The Ultimate Visual Dictionary 2nd Ed.

MERCUR Y

COMPOSITION OF ATMOSPHERE
Principal constituents EXTERNAL FEATURES AND INTERNAL
helium and hydrogen STRUCTURE OF MERCURY
Minor constituents
sodium and oxygen
Traces of neon, argon,
and potassium Monteverdi
Thin crust Rubens
Vyãsa
CRATERS AND PLAINS NEAR
MERCURY’S NORTH POLE Mantle 375 miles BOR E AL IS Unmapped region
(600 km) thick P LANI T I A
Praxiteles
Borealis Planitia
(smooth plain with a
few young craters)
Kuan
Han-
ch’ing
Terrain with
many old craters

Chong
Heine Ch’ol
Strindberg
Maximum sunlit surface
temperature 800°F (430°C)
Van Eyck
Polygnotus
Vivaldi
CALORIS BASIN Iron core 2,250 miles

PLANITLA
Caloris Montes SOBKOU (3,600 km) in
diameter, with 80%
Balzac of Mercury’s mass
Phidias
BUDH
Tyagaraja PLANITIA
Mantle of
Philoxenus
silicate rock
Zeami
Goya Crust of
silicate rock
Sophocles
Tolstoj Renoir
Vãlmiki
Minimum dark-side
Milton surface temperature
-270°F (-170°C)
Liang K’ai
Chekhov

Beethoven Schubert
Bello Bramante
Discovery Rupes
Shelley
Coleridge
Hawthorne Fram Rupes
Michelangelo Wagner Bach

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