Jo Steer
speaker
5,622 appearances
13 recordings
1 series
first heard May 2026
last heard yesterday
Jo Steer’s voice in public audio — every appearance, attributed to the second.
Trend
recordings per month · last 12 monthsRecordings per month over the last 12 months — 13 in all, peaking in Sep 2026 with 5.
Appearances
The Express has been doing groundbreaking work to uncover what's below the planet's surface.
Using a specialty radar instrument
Developed in partnership with NASA.
The mission has discovered various subterranean, or I suppose we should say, sub-Martian features.
For example, the mission has found
buried impact craters and ice deep underground.
Just as the Mars Express was beginning its orbit,
The spirit and opportunity rovers were touching down and
And setting out across the Martian deserts for the first time.
The two robotic vehicles landed on opposite sides of the planet.
The twins would travel and study more than thirty-two miles of the rocky landscape over the following years.
Their mission.
was to explore sites that might once have been able to sustain life.
Still
Operating under the assumption that water is necessary for living things.
That has remained a driving assumption throughout the exploration of Mars.
Even though some scientists have recently pushed back against the idea.
At any rate.
The Opportunity Rover advanced the search.
It uncovered signs that Mars once had enough water during a long enough period that microbial life as we know it.
Showing 2761–2780 of 5,622 · page 139 of 282
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