Referensi
DAFTAR VIDEO
National Geographic. 2019. Meteor Shower 101 | National Geographic. (Video File). Retrieved
From https://www.youtube.com/watch?v=zkglsg0K1IY&t=22s
National Geographic. 2018. Earth 101 | National Geographic. (Video File). Retrieved From https://
www.youtube.com/watch?v=HCDVN7DCzYE&t=5s
National Geographic. 2017. Solar System 101 | National Geographic. (Video File). Retrieved From
https://www.youtube.com/watch?v=libKVRa01L8&t=9s
National Geographic. 2015. Earthquakes 101 | National Geographic. (Video File). Retrieved From
https://www.youtube.com/watch?v=e7ho6z32yyo&t=21s
Lincoln Learning Solutions. 2018. Rotation and Revolution of Earth. (Video File). Retrieved From
https://www.youtube.com/watch?v=QKiFxHbQiHw&t=2s
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ENSIKLOPEDIA DIGITAL