การดาวน์โหลดภาพถ่ายจากดาวเทียมจากอินเทอร์เน็ตเพื่อการวิจัย

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Downloading Satellite Images from the Internet for Research

Recently satellite images have played a bigger role in various researches. The advantages of satellite images when compared to aerial photographs are the higher frequency of recording and the higher resolution available to suit each research. However, such images are costly. Therefore, a better alternative is to download the images from the Internet for educators free of charge. This article identifies the websites from which free images can be downloaded as well as providing the download steps for the users.