The image of the little man and the inscription androidThe image of the little man and the inscription android
The scale of one planet and the observable universeThe scale of one planet and the observable universe
Separation of the earth and the night sky, light on the horizonSeparation of the earth and the night sky, light on the horizon
Silhouette of a climber against the blue sky and the setting sunSilhouette of a climber against the blue sky and the setting sun