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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaMission or telescope

This early probe was the first spacecraft to cross the asteroid belt and carries a plaque depicting humanity.

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ScienceOne small aha
Your new ahaPioneer 10

Pioneer 10 — agency or type: NASA space probe. Source: Pioneer 10 ↗

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More from Missions & Telescopes

A few more worth knowing.

  1. 17A 1993 servicing mission corrected this orbiting telescope's initially flawed mirror.IDENTIFY
    Hubble Space Telescope

    Hubble's early flawed mirror was corrected on a 1993 servicing mission, after which it captured stunning deep-space images.

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  2. 18This infrared space telescope observes from near the Sun–Earth L2 point, beyond the Moon's orbit.RECALL
    James Webb Space Telescope

    The James Webb Space Telescope observes mainly in infrared from a stable point far beyond the Moon's orbit.

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  3. 19Its 1957 launch made this Soviet craft the first artificial Earth satellite.RECALL
    Sputnik 1

    Sputnik 1 became the first artificial satellite in orbit, and its 1957 launch helped ignite the space race.

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