At least UranusĪnd Neptune form closer to the Sun than where they are today. Saturn, Uranus, and Neptune form around the protosun. To learn more, read our Solar System History 101 article.ġ3.8 billion years ago: The Big Bang forms the universe.Ĥ.6 billion years ago: A group of protostars, one of which will become the Sun, form from a cloud of debris left by prior star explosions in the Milky Way.Ĥ.59 billion years ago: The giant planets Jupiter, The below timeline shows some key events that led to our existence on Earth, from the creation of the universe to present day. The selvage is a montage of Saturn and several of its moons imaged by Voyager I in November 1980, courtesy of NASA.Where did we come from? How did the planets, asteroids, comets, and small worlds in our solar system come to be? When did it all happen? These are some of the core questions that drive us to explore other worlds.
They depict (clockwise from the top) an image of a solar eclipse from a satellite by Dan McCoy an illustrated cutaway view of the sun by artist Jim Lamb a digitally restored NASA image of sunrise from space, courtesy of Stock Solution an image made by Skylab on December 19, 1973, of a solar eruption, courtesy of Solar Physics Group/Naval Research Laboratory and a photograph from Earth of the sun in a partly cloudy sky by Craig Aurness, courtesy of Corbiss. These five stamps represent the exploration of our solar system and are the first pentagonal stamps ever issued by the U.S. These stamps, designed by Richard Sheaff of Scottsdale, Arizona, are based on different images of the Earth's sun, as described below. The Postal Service issued an Exploring the Solar System souvenir sheet featuring five 1-dollar commemorative stamps in Anaheim, California, on July 11, 2000. $1 Exploring the Solar System sheet of five Jill Piazza and Daniel Piazza, National Postal Museum Reference: Postal Bulletin (June 1, 2000) In the selvage is a digitally enhanced image from the Hubble Space Telescope depicting the gaseous pillars in the stellar nursery known as the Eagle Nebula, courtesy of the Space Telescope Science Institute. The 302-meter radio telescope at the National Science Foundation's Arecibo Observatory in Puerto Rico is from a photograph by David Parker. The 100-inch Hooker Optical Telescope from Mount Wilson Observatory, near Pasadena, CA, is from a photograph by John Bedke, courtesy of Huntington Library. The optical telescopes from the National Science Foundation's Cerro Tololo Inter- American Observatory, east of La Serena, Chile, are from a photograph by Roger H. Keck Observatory on Manua Kea, HI, is from a photograph by David Nunuk. The image of the twin 10-meter optical and infrared telescopes at W.M. The radio interferometer is a photograph by David Nunuk depicting the National Science Foundation's very large array on the plains of San Agustin, west of Socorro, NM. The 2.4-meter optical telescope is a conceptual drawing of NASA's Hubble Space Telescope by artist Vincent Di Fate. These six stamps were issued in international rate denominations and address the exploration of deep space. The stamps, designed by Richard Sheaff of Scottsdale, Arizona, are based on photographs described below.
The Postal Service issued a souvenir sheet featuring six individual 60-cent Probing the Vastness of Space commemorative stamps in Anaheim, California, on July 10, 2000. 60-cent Probing the Vastness of Space sheet of six
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