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Martian Blueberries find a parallel on Earth

Part of: GS Prelims and GS – III – Space; Sci & Tech

In news

According to a recent research paper, Martian ‘blueberries’ find a parallel on Earth.

Key takeaways

In 2004, NASA’s Mars exploration rover ‘Opportunity’ found several small spheres on the planet, informally named Martian blueberries.
Opportunity’s spectrometers noted they were made of iron oxide compounds called haematites.
Presence of haematites suggests that there was water present on Mars.
Haematite is known to form in oxidising environments.

Do you know?

Study of the Jhuran formation in Gujarat (which is between 145 and 201 million years old) of the haematite concretions revealed that they resemble the ones on Mars.

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