1. What is the approxiate mean distance that separates the sun from the earth? Ans 1480,00,000 kms 2. The outer surface of the sun is called ? Ans Photosphere 3. Which planet has the maximum number of satellites? Ans Jupiter 4. What is a light year? Ans The distance travelled by light in 01 year. 5. What are Red Giants? Ans Stars which appear red because of their consuming a portion of their hydrogen. 6. What are asteriods? Ans Very small planet revolving around the sun 7. What is the temperature at the centre of the sun? Ans 20 million k 8. The phase of moon are partially the result of the ? Ans Revolution of the moon about the earth 9. Constellations referred to as Zodiac are ? Ans Imaginary region that encompass the path of the planets 10. The height of a geo-stationary satellite from the surface of the earth is about ? Ans 3600 km
Posted on: Wed, 02 Oct 2013 04:45:00 +0000
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