<a href='https://widget-club.com/ko/i/f080a6af661041e48de5'>공통 질량 중심을 공전하는 별이 있는 쌍성계. image</a> by <a href='https://widget-club.com/ko'>WidgetClub</a>
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A spectacular display of sunrise as seen from space, with the Earth’s curved horizon visible.https://widget-club.com/ko/i/1825d04a666a4cc19322View license
An earth-like exoplanet with a primitive civilization of forested landscapes and vast oceans.https://widget-club.com/ko/i/885643b2597344688ab5View license