Use the arrow keys to move between letters. Press Enter or Space on the first letter of a word, then again on the last letter. Press Escape to cancel.
A few of the words
- NEPTUNE
- Pioneer 10 crossed Neptune's orbit on June 13, 1983, at that moment the outermost planet in our solar system, since Pluto's elliptical path had carried it closer to the Sun that year.Find this word in the grid to read its note.
- PIONEER
- The spacecraft carried a gold-anodized aluminum plaque etched with figures of a man and woman and a diagram of our solar system, a message in a bottle cast into interstellar space.Find this word in the grid to read its note.
- SIGNALS
- NASA received the last confirmed signal from Pioneer 10 on January 23, 2003, by which time it was roughly 80 astronomical units from the Sun.Find this word in the grid to read its note.
- LAUNCH
- Pioneer 10 lifted off on March 2, 1972, aboard an Atlas-Centaur rocket, and became the first spacecraft to travel through the asteroid belt, crossing it safely before reaching Jupiter.Find this word in the grid to read its note.
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Pioneer 10 solar system word search
Pioneer 10 Leaves the Solar System: a free large-print word search
Pioneer 10 leaves the solar system, free, large-print word search celebrating the day humanity's first craft crossed into the dark between the stars.
About Pioneer 10 Leaves the Solar System
On June 13, 1983, NASA's Pioneer 10 crossed the orbit of Neptune and became the first man-made object to travel beyond every known planet, venturing into the vast, cold quiet of interstellar space. Launched in March 1972, the small spacecraft had spent more than a decade threading past Jupiter's crushing storms and riding the solar wind ever outward, its golden plaque carrying a greeting from Earth to whatever might one day find it. The signals Pioneer 10 sent home grew fainter with every passing year, but they kept arriving, faint whispers of a lone craft sailing deeper into the cosmos than anything built by human hands had gone before.
How to play
- 1Find a word.Tap its first letter, then tap along to its last — the trail fills in and finishes itself when it spells a word. Or press the first letter and drag.
- 2Words run in straight lines.Across and down, and on the harder difficulties diagonally and backwards.
- 3It marks itself.Each word you find takes on its own soft colour on the grid and is crossed off the list.
- 4Choose a difficulty.Relaxed, Classic or Challenging set those directions and how much the word list helps — never the grid size. Tap the A buttons at the top to enlarge the letters, or pinch the grid.
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