Venus …Earth’s “mysterious” twin

Simon Hanmer : IAD May 2020

The phases of Venus … morning / evening “star”

Wiki Commons

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leadingtrailing

Venus : according to Magellan radar

Venus’ surface is unlike any other terrestrial planet !

What does it look like ?

Simon Hanmer : IAD May 2020

What does Venus’ surface look like … ?

NASA/JPL

Aphrodite

Ishtar

Alpha

Beta

Tellus

Thetis

AtlaPhoebe

W. Ovda

Fortuna

Ovda

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Artemis

Aphrodite Terra … main components 5/18

NASA/JPL

(O)vda(W). Ovda(T)hetis(A)rtemis(D)ali

OW

A

D

T

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NASA/JPL

Thetis Regio …

Marginal folds, internal lineaments + lavas

Alpha Regio …”alligator” texture + internal lineaments

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NASA/JPL

1300 km

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NASA/JPL

“Tessera terrain” : Ovda Regio

Artemis dome + chasma ... 2100 km across !!

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NASA/JPL

Ishtar Terra 10/18

NASA/JPL

(L)akshmi, (F)ortuna + (M)axwell

LF

M

500 km

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NASA/JPL

Beta Regio + Theia Mons …

+ Rift (Devana Chasma 75 km wide)

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NASA/JPL

Atla …

Volcanic rise + volcanoes

350 km

Polygons 13/18

NASA/JPL

300 km

Meandering channels … lava or water ? 14/18

NASA/JPL

Sedna Planitia (left) + Helen Planitia (right)

50 km wide 200 km long

Nova (left) & Arachnoids (right) 15/18

NASA/Magellan

250 km diameter

250 km

Bahet & Ohnata coronae

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NASA/JPL

150 km

Corona chain … just S of Phoebe Regio

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NASA/Magellan

~400 km

Now you know what Venus’ surface looks like …

NASA/JPL

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