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New impact crater forming on the Moon

Intergalactic Planetary

A blog by Giulia Magnarini

All things planetary geology — rocks, impact craters, space exploration, and more.

November 20, 2025

The forensic of lost impact craters on Earth

Winchcombe meteorite in the parkway

Not all craters invisible on the present-day surface are completely lost. The record of their past existence is locked somewhere else — geological and geophysical data can help reveal it.

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August 31, 2024

The legacy of nuclear bomb testing in the landscape: not all terrestrial craters are formed by meteorite impacts

Craters in Yucca Flats

Some regions on Earth are extensively pockmarked by craters — but these were not formed by meteorite impacts. They are a legacy of decades of nuclear bomb testing.

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January 4, 2024

Impact cratering: how holes in the ground shape planetary evolution and their landscapes

Robinson March impact event

Impact cratering is the most fundamental geological process in the Solar System. Earth's atmosphere acts as a shield — but this can give the false impression that impacts are an ancient, finished story. They are very much a present-day process.

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October 30, 2023

Apollo Moon Rocks at the Natural History Museum in London

Apollo Moon Rocks at the NHM

The Natural History Museum in London hosts two Moon rocks collected during the Apollo missions. Here is where to find them, what they are, and why they matter.

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