Science- Physics P7 0.0 / 5 ? PhysicsAstronomyEarth in spaceGCSEOCR Created by: AbbieMaeCreated on: 21-01-16 21:57 31089241765 Across 1. The name of the theory of South Africa fitting into South America. (7) 5. When the moon blocks out the sun, what is this called? (7) 6. This affects stars luminosty (4) 8. These stars pulse and their luminosity is based on the length of the pulses. (7, 8) 9. This also affects a stars luminosity (11) Down 2. Focal length of objective lens divided by focal length of eyepiece lens equates to what? (13) 3. This telescope uses an objective lens and an eyepiece lens to magnify an image (10) 4. Astronomers use this to measure the distance of a parralx (7) 7. The name of a powerful reflecting telescope orbiting Earth (6) 10. This term is used for planets and galaxies moving away from us (3, 5)
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