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A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
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25 "Y"
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• Yagi • Yagi antenna • Yagis • Yale bright star catalog • year • yearly secular • yellow dwarf • yellow line • yellow region |
• yellow spot • yellow star • Yepun • Yerkes refractor • Yerkes spectral classification system • Yerkes system • yield • ylem • yoke |
• yoke design • yoke mounting • Yolo telescope • Young's modulus • young star • y • y |