The Sun Our Very Own Star Assembled By Ken Mitchell Livermore TOPScience Copy this URL into your browser
Star Forming Region NGC 3582
Accretion Disk A rotating disk of gas and dust matter that may form around any of a variety of stars or other massive objects. In the case of young stars, accretion disks contain unconsolidated material, such as cosmic dust grains, which may subsequently accrete to form planets and other sizable objects
The Beginning – A Protostar A star's life is a constant battle against gravity, the force that wants to compress it, and pressure support which is trying to hold it up. That battle begins as soon as a molecular cloud begins to collapse into a protostar.
SOHO Best Sun Photo
HR Diagram - Star Sequence
Cutaway of Our Only Thermonuclear Power Plant
Sun Physics Basic Fusion Reactions in the Sun Paste the URL into your browser before starting:
Terrestrial Planets – Close to the Sun Mercury Venus Earth Mars
Mercury
Venus against a starry background
Welcome to Planet Earth
Mars in Opposition, 2001
Outer Planets – The Gas Giants Jupiter Saturn Uranus Neptune
Hubble spots rare triple eclipse on Jupiter
Saturn – from Cassini
Uranus – two views
Spring time on Neptune
Dwarf Planet Pluto and its satellite Charon
Planet Summary Sheet Distanc e (AU)AU Radius (RTE) Mass (RTE) Orbital Period Rotation (RTE) Axial Tilt # of Satellite s O Orbital Inclinatio n Density (g/cm 3 ) Sun , – 36* Mercur y d O 0 7O7O 5.43 Venus d O O 5.25 Earth d O Mars d 1.88y O O 3.95 Jupiter y O O 1.33 Saturn y O O 0.69 Uranus y O O 1.29 Neptun e y O O 1.64 Pluto** y O O 2.03 KAM: 3/29/08
Our Sun’s Life Cycle THE END Cometh