Orbital model with glowing background

1229 × 1229

Antique brass astronomical instrument

1000 × 1802

antique telescope

3872 × 2592

Mars rover on alien surface

1200 × 842

Orbital celestial mechanism

1832 × 1440

Antique brass surveying instrument

1680 × 1050

Colour Haze album cover

5714 × 2812

gold hourglass in frame

1024 × 1536

Armillary Sphere from Conflux

2560 × 1600

Historical Astronomy Diagrams

1680 × 1050

vintage brass telescope

3872 × 2592

antique sundial with compass

1600 × 1200

Solar system planets

2048 × 1448

The Sun: Solar System Power Source

1600 × 1200

Mars rover on red planet

1024 × 768

Asteroids and comets

6000 × 4500

Largest trans-Neptunian objects

2750 × 1995

Geologic map of Uruk Sulcus

1374 × 1040

Ganymede at half phase

1440 × 900

author's sketchbook with celestial clock

1600 × 1200