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Hodge- p odge in Miranda. Profesor: Jose A. Caballero Víctor Pereira Blanco. Index. General properties and description Miranda´s surface: hodge-podge Theories. Miranda´s surface : hodge-podge. Theories. General properties and description. Miranda: Uranus V

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hodge p odge in miranda

Hodge-podge in Miranda

Profesor: Jose A. Caballero

Víctor Pereira Blanco

index
Index
  • General properties and description
  • Miranda´s surface: hodge-podge
  • Theories
general properties and description

Miranda´ssurface:hodge-podge

Theories

General properties and description

Miranda: Uranus V

Discoveredby Gerard Kuiper in 1948

Voyager 2 in 1986

general properties and description1

Miranda´ssurface:hodge-podge

Theories

General properties and description

Craters, coronae, ridges,

grooves, cliffs….

  • A patchwork of regions

Voyager 2 image of Miranda taken shortly before closest approach.

January 24, 1986. Range, 21,000 miles.

general properties and description2

Miranda´ssurface:hodge-podge

Theories

General properties and description

This cliff is called "Verona Rupees" and is the deepest of

any known cliff in the solar system,

between 10-20 KM high!

January 24, 1986. Range, 22,000 miles. Photo Credit NASA.

general properties and description3

Miranda´ssurface:hodge-podge

Theories

General properties and description

Along the edge of Miranda's

face, a wide band of ridges

and grooves cut across the

surface like a racetrack

January 24, 1986. Photo Credit NASA

general properties and description4

Miranda´ssurface:hodge-podge

Theories

General properties and description

Chevron

A series of lighter and

darkercoloursarranged

in a V shape

January 24, 1986. Photo Credit NASA

general properties and description5

Miranda´ssurface:hodge-podge

Theories

General properties and description
  • It was predicted that Miranda would be too small to show any signs of geological activity...
  • A collision broke it into icy and rocky pieces that then fell back together:

denser rocky to the centre and ice remain in the surface. This friction would have warm the icy interior an created currents like a boiling soup.

Currents would have compressed the crust.

general properties and description6

Miranda´ssurface:hodge-podge

Theories

General properties and description
  • Diapirs: something rising up from below, in this case, warm ice.

a type of intrusion in which a more mobile

and ductily-deformable material is forced

into brittle overlying rocks

Destruction and re-assembly no longer necessary

Heat needed for explaining the shape of the surface: resonance in the past.

And then...nothing. Work unfinished.

slide10

References:

NASA´s Solar SystemExplorationsite.

Views of the Solar System: Mirnda, a Moon of Uranus.

Surface of Miranda: Identification of WaterIceHamilton Brown, R., Clark, R.N 1984Icar...58..288B

Crateringhistory of Miranda: Implicationsforgeologicprocesses. Plescia, J.B. 1988Icar...73..442P

Fin

Thank you for your attention