Hesperian epoch
The second of the three Martian geologic epochs, approximately from 3,500 million years ago to 1,800 million years ago, marked by lava flows, preceded by the Noachian epoch, and followed by the Amazonian epoch.
(anatomy) central and in front of the zygapophysis
plural of lyophilisate
(anatomy) A short venous trunk of the face that is formed by the union of veins from the pterygoid plexus and that joins with the superficial temporal vein to form a vein which contributes to the f...
広範な溶岩流の地質学的証拠は、約35億〜18億年前にあたる火星の地質時代の第2期であるヘスペリア紀が火星の表面の大部分を劇的に変えたことを示している。
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