Pacific Science Center

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PacSci-Doku: “Revealing Mars’ Innards”

By Dennis Schatz – Senior Advisor

Do you Sudoku? It’s one of the hottest number games around! Well, here’s a twist we think you’ll love. We call it PacSci-Doku. Can you guess why? Here’s how it works. Instead of filling in the blanks with numbers, we use letters. Hidden in one of the columns or rows is the answer to a science question. You’ll find information about the answer on the answer tab below.

The question in this edition is:

What has allowed scientists to “see” deep inside Mars?

To find the answer, complete this PacSci-Doku using the following nine letters:

A  a  U  E  K  Q  R  M  S


PacSci-Doku: Revealing Mars' Innards

Puzzle Difficulty: Easy

Looking for the answer? It will come back on 1/6. Until then, check our PacSci Instagram feed (@pacsci) for information on how to win two tickets to PacSci by solving this puzzle!

The Answer

PacSci-Doku: Revealing Mars' Innards - The AnswerThe question in this edition is:

What has allowed scientists to “see” deep inside Mars?

The answer: Marsquake

The Martian lander, InSight, landed on Mars last year and recorded the first marsquakes. These were small compared to our earthquakes, but should still reveal much about Mars’ innards. The observed marsquakes appear to come from a fault some 1,000 miles from the landing site, probably caused by stretching of the Martian crust over the past millions of years. Read more about how marsquakes reveal what is happening deep underground.

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Girl with flowers in her hair using a microscope