Analogues

Question 1

Principle

Answer 1

Similar processes that occurred on Earth can occur on ET worlds
- assisted by space exploration + sample return

Question 2

TYPES

Answer 2

• geological
• biological
• organic
• process

Question 3

Geological Analogues

Answer 3

• terrains, deposits, rocks
• similar to modern ET material

Question 4

Biological Analogues

Answer 4

• micro-organisms, life forms
• similar to ET potential life

Question 5

Organic Analogues

Answer 5

• organic matter - CHNOPS
• similar to ET abiotic/biotic matter

Question 6

Process Analogues

Answer 6

• landscapes or terrains
• visually comparable to real/imagined ET worlds

Question 7

Pilbara, Australia

Answer 7

Analogue: past hydrothermal vents
- geological
- comparable to Noachian Mars

Question 8

Burns Formation

Answer 8

Analogue: Sediments, percolated by acid, sulphur, iron
- evidence of oxide
- organic/geological
- comparable to Hesperian Mars

Question 9

Rio Tinto

Answer 9

Analogue: Modern low pH environment
- geological
- comparable to Hesperian Mars

Question 10

Ataccama

Answer 10

Analogue: geological landscape, mission simulations, instrument testing
- high UV flux to surface
- soil rich in perchlorate salts
- driest place on Earth
- Comparable to Amazonian Mars
- process, visual, organic/geological

Question 11

Comparable to Enceladus

Answer 11

Analogue: Fluids w/extremophiles in sub zero environments - silica rich hot springs
- process, geological, biological
- mineral formation, deposit production, extremophiles

Analogue: Lake Vostok
- largest subglacial lake on Earth
- covers all categories