Constellation and how it is useful for human civilization..pptx

The Presentation is all about constellation and how it is useful for human civilization.

1. Contents of this template Fonts To view this template correctly in PowerPoint, download and install the fonts we used Used and alternative resources An assortment of graphic resources that are suitable for use in this presentation Colors All the colors used in this presentation Icons and infographic resources These can be used in the template, and their size and color can be edited Editable presentation theme You can edit the master slides easily. For more info, click here You can delete this slide when you’re done editing the presentation For more info: SLIDESGO | SLIDESGO SCHOOL | FAQ S You can visit our sister projects: FREEPIK | FLATICON | STORYSET | WEPIK | VIDEVO How many stars can you see at the night sky? In reality, there are approximately 400 billion stars in our galaxy. And there are about 170 billion galaxies.

2. What does the color of a star mean? The color of a star indicates its surface temperature.

3. What does the color of a star mean? The color of a star indicates its surface temperature.

4. What does the color of a star mean? The color of a star indicates its surface temperature.

5. What does the color of a star mean? The color of a star indicates its surface temperature.

6. What does the color of a star mean? The color of a star indicates its surface temperature.

7. Different brightness of a star: Apparent Brightness The star’s brightness as seen from earth. Depends on stars distance.

8. Different brightness of a star: 2. Absolute Brightness The star’s brightness if all stars were the same standard distance from earth.

9. CONSTELLATIONS

10. What are constellations? A group of stars seen as forming a figure or design in the sky

11. What are constellations?

12. Why are some constellations only visible at particular months? Earth’s Revolution

13. Why are constellations appear to move at nighttime? Earth’s Rotation Movement of stars at night in the north pole.

14. Polaris – the northern star that seems not to move in the night sky.

15. Why are constellations appear to move at nighttime? Earth’s Rotation Movement of stars at night in the north pole.

16. How Early People Use the Constellations?

17. 1. Help farmers knew when to plant and harvest. In the northern Hemisphere, the constellation Orion indicates the coming of cold season. Gemini is seen in the Philippines on April and May. Signifies end of planting season and rich harvest.

18. 1. Star Polaris Used as Navigation by Sailors. The Polaris is widely used in navigation because it does not change its position at any time of the night or year. Also, one can figure out his/her latitude just by looking at how high Polaris appears in the night sky. This allowed sailors to find their way as they sail across the seas.

19. 1. Star Polaris Used a Navigation by Sailors.

20. 1. Star Polaris Used as Navigation by Sailors. The Polaris is widely used in navigation because it does not change its position at any time of the night or year. Also, one can figure out his/her latitude just by looking at how high Polaris appears in the night sky. This allowed sailors to find their way as they sail across the seas.

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