To implement this hobby, you will need to look for a good place to make observation.
Global map of light pollution
This movie was taken from the site of "International Dark-Sky Association".
Toshio likes to look at stars. However, he cannot observe stars very well at night because he lives in a large city.
Last year Toshio visited the countryside where he observed a large number of stars that he cannot see when he is in the city. (PISA 2006)
How the intensity of light affects our ability to see the stars in the sky? Photograph the sky from where you live. The sky should be bright and cloudless. The photograph should be between the hours of 20:00 to 21:00.
Provide an answer by clicking on "Map" and then on "Add an Answer".
Results, Analysis and Discussion
The brightness of city lights makes many stars hard to see.
i took a great fun doing your task and beacuse i live in the golan height i can take great pictures of the sky. i would like to suggest few thing which can make the task even better. in israel you can get a real time sky pollution map form a goverment site www.sviva.gov.il if you can get pepole to add this info to their comment it would make a good refernce point to our comments. olso i used a skyview prog. on my phone which adds sky maps to your photo using your sattelite loc. and let you recognize the name of the star you see in the sky. this small prog makes it possible to recognize the sky items under harsh condition of pollution i beliew their are few progms like this availavle/
in my first comment i noted that there should be a consideration of air pollution and that is because when there is air pollution it makes the light pollution even worse
אתה הפנת אותי לשאלה מאוד מעניינת, ולתופעה שרוב האנשים שגרים במדינות המפותחות נתקלים , הסרטון היה ממש
מעניין , ומבהיר בצורה ממש טובה את השאלה שלך (חיזוק חיובי ),
אפשר לשפר את השאלה ע"י קישור הנושא לעבודה של האסטרופיסיקאים , שמעריכים למשל סוגים ,מרחקים ו זמני חיים של אובייקטיים שמימיים ע"י עוצמת ההארה שלהם (וגם מימדים אחרים כמובן ). אבל זה יחסוף יותר אנשים לתחום המרתק שעושים חלק מהפיסיקאים, אפשר להסתכל בלינק הבא
זה ספר ממש מרתק לקרוא בו על החשיבות של עוצמת ההארה של הכוכבים ( הרחבה מידעית והצעתית ) ץhttps://books.google.co.il/books?id=hebUCX486FkC&pg=PA148&lpg=PA148&dq=%D7%A2%D7%95%D7%A6%D7%9E%D7%AA+%D7%94%D7%90%D7%A8%D7%94+%D7%A9%D7%9C+%D7%9B%D7%95%D7%9B%D7%91%D7%99%D7%9D&source=bl&ots=6jMBL3oYDF&sig=3bZo1Qm0JPLDIC_L2BAs_iZyXc8&hl=iw&sa=X&ved=0ahUKEwiZ5Mm5pLrbAhWGzRQKHUzGBVcQ6AEIXDAG#v=onepage&q=%D7%A2%D7%95%D7%A6%D7%9E%D7%AA%20%D7%94%D7%90%D7%A8%D7%94%20%D7%A9%D7%9C%20%D7%9B%D7%95%D7%9B%D7%91%D7%99%D7%9 ) .
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