Stars and the Solar System
- All natural objects in the sky are celestial objects.
- The Moon
- New Moon day → when moon is not visible
- Full Moon day → when full moon is visible
- Gap between consecutive new moon day and full moon day is of 15 days.
- Rotational period and revolution period of moon are the same (almost 29 days).
- Moon’s surface
- Because of lack of atmosphere, one cannot hear any sound on moon.
- The Stars
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