Jo Steer
speaker
4,575 appearances
11 recordings
1 series
first heard May 2026
last heard 3d ago
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 — 11 in all, peaking in Sep 2026 with 3.
Appearances
Other avenues of discovery opened up.
In nineteen seventy one
The US and the Soviet Union sent another flurry of spacecraft towards the red planet.
Together.
These would push Mars expiration.
to a new level.
First, NASA launched its final mariner ships.
Mariner eight and nine.
This time.
The craft were designed not just to fly by Mars.
But to enter orbit around it.
Again, one of the spacecraft malfunctioned soon after launch.
But the other, Mariner 9, got to Mars.
Became the first human made object.
Ever to orbit the planet.
This
was a major step forward in studying Mars.
But observers had to wait a bit longer to take advantage of it.
That's because
The planet was in the midst of a massive dust storm when Mariner 9 arrived.
Showing 1401–1420 of 4,575 · page 71 of 229
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