DSST Astronomy 2
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DSST Astronomy 2
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25 Questions

1. Remnant radiation from the big bang - which we detect using radio telescopes

2. A twice-monthly tide of minimal range that occurs when the Sun - Moon - and Earth are at right angles to each other - thus decreasing the total tidal force exerted on Earth causes North South pull

3. When the Sun becomes a Red Giant - 10 billion years - Then a White Dwarf - aproximately 12 billion years

4. How long does it take for Earth to orbit the sun?

5. 4.5 billion years

6. A gathering of roughly 30 Galaxies in which the Milky way belongs

7. Point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected

8. New moon - (waxing or waning) crescent moon - quarter moon - (waxing or waning) gibbous moon - and full moon

9. Jets of hot gas that extend from the Sun to around 20 -000 kilometers beyond the photosphere.

10. Earth is the center of the universe. Aristotelian.

11. Galaxy with a bulge in the middle and arms that extend outward in a pinwheel pattern

12. The Milky way observed through a cross section - Our solar system is 27 -000 light years away from the Galactic bulge

13. Highest tidal range that occurs to the alignment of Earth - the moon - and the sun - East West pull

14. Thick distribution of warm gas and stars around the galactic center.

15. Occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth

16. Moon phase that occurs when the Moon is between Earth and the Sun - at which point the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth

17. Twice-yearly point at which the Sun reaches its greatest distance north or south of the equator

18. Alpha Centauri - 4.37 light years away OR Proxima Centauri - 4.24 light years away

19. Possible since carbon based planets are common - especially on Mars and Alpha Centauri

20. Apparent line in the distance where the sky meets the sea or land

21. Galaxy with a very bright center that contains little dust and gas and is spherical to disklike in shape

22. Bright regions seen in the solar chromosphere

23. Every thing revolves around the sun studied by Galelo and Copernicus

24. Dense - fusion takes place here (15 -000 -000K)

25. Imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator

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