Interplanetary Probes
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Brewster
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SPACE EXPLORATION
Interplanetary Probes
Pioneer 10
Pioneer 10's journey marked humanity's first escape from the Solar System's gravitational hold
8 days ago
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What was the critical achievement of Pioneer 10 that distinguished it from earlier space probes?
It was the first probe to land on Jupiter's surface.
It was the first man-made object to achieve escape velocity and leave the Solar System.
It was the first spacecraft to orbit Earth.
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SteveO1
Technology and cars
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SPACE EXPLORATION
Interplanetary Probes
Pioneer 10
Pioneer 10's journey ignited debate over humanity's reach beyond the Solar System
10 days ago
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What was a major consequence of Pioneer 10 achieving escape velocity from the Solar System?
It became the first human-made object to enter interstellar space, expanding the scope of space exploration.
It immediately returned to Earth with detailed samples from Jupiter's atmosphere.
It was the first probe to land on Jupiter's surface, proving the planet was solid.
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Steve222
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SPACE EXPLORATION
Interplanetary Probes
New Horizons Space Probe
New Horizons captured the first high-resolution images of Pluto and explored distant Kuiper Belt objects
29 Jan 2026
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What was the significance of New Horizons' flyby of 486958 Arrokoth in 2019?
It was the first spacecraft to land on a Kuiper Belt object.
It discovered Pluto for the first time during this flyby.
It provided detailed information about a Kuiper Belt object, enhancing understanding of early Solar System remnants.
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112112112John
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SPACE EXPLORATION
Interplanetary Probes
New Horizons Space Probe
New Horizons captured the first high-resolution images of Pluto and explored distant Kuiper Belt objects
21 Jan 2026
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What was the significance of New Horizons' flyby of 486958 Arrokoth after its Pluto mission?
It was the first spacecraft to land on a Kuiper Belt Object and collect samples.
It provided the first close-up study of a Kuiper Belt Object, offering insights into early solar system formation.
It discovered that Arrokoth was a previously unknown planet beyond Pluto.
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