Bear Mountain (8461'/2579m) summit

Green Mountain (8144'/2482m) summit

The first man.

The unremarkable landscape in Canis Major Overdensity

Exhibition "Dense Space" at the Arsenāls Exhibition Hall in Old Riga, Latvia

Northrop F-5E Tiger II, Evergreen Aviation and Space Museum, McMinnville, OR

Delta Fire Systems C.A.

Walker Castle (ruins) [1]

Admiralty Arch The Mall London United Kingdom

Astrophotographers readying for the night in Tähtikallio, Finland

Supernova explosion.On July 4, 1054, at 6:45 am Beijing time, above the Central Plains of China (Northern Song Dynasty), the brightest time of SN 1054 supernova

Star Trek: The Experience - Las Vegas - Klingon Encounter Shuttlecraft Safety Video Pre-Show Spot

Star Trek: The Experience - Copernicus Station - Borg 4D

Discworld Consulate, Wincanton, England, UK

Transporter Room 3 on the Enterprise

The Whale Niche - Sesc Bertioga

Sydney Observatory - Observatory Hill, Sydney

Brussels Avenue Trail-head to Gully Track and Seven Hills Circuit, Seven Hills Bushland Reserve, Brisbane

Espace Louis de Grenelle

Espaco CA - Encontro Murca

Espace Marie-Candide Buffet

고흥나로우주센터

Haus der Wissenschaft (Part of the Astro Walk Bremen)

The 8th China Flower Expo,Science Exhibition Hall科技馆(277)