Universal Constants

A repository of images related to Physics and Astronomy

  1. Venus atmosphere

  2. This animation follows Venus and Earth through one synodic period. Note that because of its retrograde rotation, it takes less than 243 days for...

  3. An image of lobate scarps (the line going diagonally from top left to bottom right) captured by the MESSENGER probe as it flew past Mercury. Also...

  4. Diagram illustrating the waves of the Caloris impact

  5. The Caloris Basin on Mercury

  6. Proportions of elements found in Mercury's tenuous atmosphere

  7. Mercury's magnetic field

  8. A simulation showing the giant impact hypothesis in action

  9. A cross-section of Mercury showing its core

  10. Radar image taken by the Arecibo radio telescope shows possible deposits of water ice (bright areas)

  11. The proposed BepiColombo probe

  12. The Mariner 10 probe

  13. The MESSENGER probe

  14. A: The rotational period of the planet Mercury is exactly two-thirds of its orbital period. Hence, on every second passage of the planet through the...

  15. An image of Mercury taken by NASA's MESSENGER probe. Note the prominent rays emanating from the various craters

  16. Image/diagram charting Mercury's elongation in October 2008

  17. Crater formation

  18. A protoplanet

  19. An artist's impression of two planetesimals colliding

  20. Formation of the Solar System

  21. A logarithmic scale model of the Solar System

  22. Comparison chart showing various smaller bodies to scale, including Trans-Neptunian Objects, the Earth, Mercury, the Moon, some Cis-Jovian Objects...

  23. A chart detailing the rings and moons of Uranus

  24. Composition showing Kuiper Belt Objects (Sedna, Pluto and Quaoar) with Earth and the Moon, all to scale

  25. Interior composition of the terrestrial planets and the Moon
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