| 1. | The brightness measurements were made using the orbiting Hubble Space Telescope.
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| 2. | The satellites orbiting the earth are providing vast amounts of data.
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| 3. | Planet 1 eventually will utilize four geostationary Earth-orbiting satellites.
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| 4. | By Christmas 1968, an Apollo crew was orbiting the moon.
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| 5. | The signal is fed to uplink towers aimed at orbiting satellites.
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| 6. | Perlmutter described an orbiting telescope that would perform all three functions.
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| 7. | A constellation of orbiting satellites steer the bomb to its target.
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| 8. | Instead McNamara relied on the orbiting Chandra X-ray Observatory.
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| 9. | It began orbiting that world 7 years and 3 days ago.
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| 10. | Onufrienko and Usachev will be aboard the orbiting station 152 days.
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