Solar System

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Cosma’s Solar System Gallery

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Physical Realm
Universe Astronomical Instrument
Galaxy Milky Way, Andromeda
Planetary System Star, Brown Dwarf, Planet, Moon

Solar System Sun
Terrestrial Planet Mercury, Venus, Earth (Moon), Mars
Asteroid Belt Ceres, Vesta
Jovian Planet Jupiter, Saturn, Uranus, Neptune
Trans-Neptunian Object
Kuiper Belt Pluto, Haumea, Makemake
Scattered Disc Eris, Sedna, Planet X
Oort Cloud Etc. Scholz’s Star
Small Body Comet, Centaur, Asteroid

Resources

These are organized by a classification scheme developed exclusively for Cosma. More…

General

Portal

Solar System and Beyond (NASA)
Solar System Exploration (NASA)
Solar System Simulator : View Anyplace from Anyplace (NASA, JPL)
Astrogeology Science Center (USGS)

Our Sun & Solar System Internet Resources (Library of Congress)
Solar System Portal (Wikipedia)

Dictionary

Solar System : the sun together with the group of celestial bodies that are held by its attraction and revolve around it; also : a similar system centered on another star — Webster

OneLook, Free Dictionary, Wiktionary, Urban Dictionary

Encyclopedia

Solar System is the gravitationally bound system comprising the Sun and the objects that orbit it, either directly or indirectly. Of those objects that orbit the Sun directly, the largest eight are the planets, with the remainder being significantly smaller objects, such as dwarf planets and small Solar System bodies. Of the objects that orbit the Sun indirectly, the moons, two are larger than the smallest planet, Mercury.

The Solar System formed 4.6 billion years ago from the gravitational collapse of a giant interstellar molecular cloud. The vast majority of the system’s mass is in the Sun, with most of the remaining mass contained in Jupiter. The four smaller inner planets, Mercury, Venus, Earth and Mars, are terrestrial planets, being primarily composed of rock and metal. The four outer planets are giant planets, being substantially more massive than the terrestrials. The two largest, Jupiter and Saturn, are gas giants, being composed mainly of hydrogen and helium; the two outermost planets, Uranus and Neptune, are ice giants, being composed mostly of substances with relatively high melting points compared with hydrogen and helium, called volatiles, such as water, ammonia and methane. All planets have almost circular orbits that lie within a nearly flat disc called the ecliptic. — Wikipedia

Solar System (Eric Weisstein’s World of Astronomy, Wolfram Research)
Planets (Eric Weisstein’s World of Astronomy, Wolfram Research)
David Darling’s Internet Encyclopedia of Science, Encyclopædia Britannica
Encyclopedia of the Solar System

Introduction



A Traveler’s Guide to the Planets (National Geographic Channel)

Note: These are 360° Videos — press and hold to explore!

Search

Solar System (Wolfram Alpha)
Planets (Wolfram Alpha)

Science



Weight on Other Planets (Online Conversion.com)





The Planets We Don’t Have (Adam Frank, NPR)

Note: This is a 360° Video — press and hold to explore it!

Preservation

History



Almagest (Wikipedia)
Ptolemy (Wikipedia)



Orrery (Wikipedia)


Solar System Exploration at 50 (NASA)

Library

WorldCat, Library of Congress, UPenn Online Books, Open Library

Participation

Education


Solar System (Space Place, NASA)
Solar System Explorer (Space Place, NASA)
NASA Virtual Field Trip: Solar System Math
Our Solar System (Ask an Astronomer, Cornell University)
The Nine Planets Solar System Tour
Solar System (Cosmos4Kids)
Solar System, More than Planets (Cosmos4Kids)
Solar System II| Exploration (Cosmos4Kids)

Course



Crash Course Astronomy (YouTube)

OER Commons: Open Educational Resources

Community

Organization

The Planetary Society

News

Science Daily, NPR Archives

Book

ISBNdb

Government

Solar System Exploration, planets (NASA)
Eyes on the Solar System (JPL/NASA)

Document

USA.gov

Expression


Fun




Poem

OEDILF: The Omnificent English Dictionary In Limerick Form

returntotop

More…

Solar System and Beyond A RSS news feed containing the latest NASA press releases on missions exploring our solar system and beyond.

  • NASA Hosts Science Chat on Two Upcoming...
    on November 5, 2018 at 5:16 pm

    NASA will host a live Science Chat at 2 p.m. EST Wednesday, Nov. 7, to discuss upcoming encounters of two of the agency’s planetary missions. […]

  • NASA's Marshall Center to Celebrate International...
    on October 16, 2018 at 7:02 pm

    NASA's Marshall Center will host the 8th annual International Observe the Moon Night celebration at the U.S. Space & Rocket Center Oct. 20 from 5:30-8:30 p.m. CDT. Members of the public and the Huntsville-area media are invited to attend. […]

  • Astronomers Find First Evidence of Possible Moon...
    on October 3, 2018 at 3:53 pm

    Using NASA’s Hubble and Kepler space telescopes, astronomers have uncovered tantalizing evidence of what could be the first discovery of a moon orbiting a planet outside our solar system. […]

  • NASA Hosts Science Chat on Upcoming Historic...
    on September 17, 2018 at 8:27 pm

    Members of NASA’s New Horizons spacecraft team will host a Science Chat at 1 p.m. EDT Wednesday, Sept. 19, on humanity’s farthest planetary flyby, scheduled to occur Jan. 1 when the spacecraft encounters a mysterious object in the Kuiper Belt nicknamed “Ultima Thule.&rdquo […]

  • NASA Hosts Live Science Chat: One Year After...
    on August 20, 2018 at 3:48 pm

    On the one-year anniversary of the historic 2017 Eclipse Across America, NASA will host a Science Chat at 10:30 a.m. EDT, Tuesday, Aug. 21, to discuss new science data and the public impact of the celestial event experienced by millions. […]

  • NASA, ULA Launch Parker Solar Probe on Historic...
    on August 12, 2018 at 8:16 am

    Hours before the rise of the very star it will study, NASA’s Parker Solar Probe launched from Florida Sunday to begin its journey to the Sun, where it will undertake a landmark mission. The spacecraft will transmit its first science observations in December, beginning a revolution in our understanding of the star that makes life on Earth possible. […]

  • Mars Terraforming Not Possible Using Present-Day...
    on July 30, 2018 at 3:00 pm

    Transforming the inhospitable Martian environment into a place astronauts could explore without life support is not possible without technology well beyond today’s capabilities because Mars does not retain enough accessible carbon dioxide that could be put back into the atmosphere to warm the planet. […]

  • NASA’s MAVEN Spacecraft Finds That “Stolen”...
    on July 23, 2018 at 3:00 pm

    NASA’s MAVEN spacecraft just found a new type of Martian aurora that occurs over much of the day side of the Red Planet, where auroras are very hard to see. […]

  • NASA’s Fermi Traces Source of Cosmic Neutrino...
    on July 12, 2018 at 2:01 pm

    For the first time ever, scientists using NASA’s Fermi Gamma-ray Space Telescope have found the source of a high-energy neutrino from outside our galaxy. […]

  • NASA Completes Webb Telescope Review, Commits to...
    on June 27, 2018 at 4:30 pm

    The Independent Review Board (IRB) established by NASA to assess progress on its James Webb Space Telescope has unanimously recommended that development on the world’s premier science observatory should continue; NASA has established a new launch date for Webb of March 30, 2021. […]


Solar System News -- ScienceDaily Solar System Planets. Astronomy articles on the eight planets, plus the two dwarf planets, Pluto and Eris. Great pictures of everything in the solar system. Updated daily.

  • Overflowing crater lakes carved canyons across...
    on November 16, 2018 at 9:45 pm

    Today, most of the water on Mars is locked away in frozen ice caps. But billions of years ago it flowed freely across the surface, forming rushing rivers that emptied into craters, forming lakes and seas. New research has found evidence that sometimes the lakes would take on so much water that they overflowed and burst from the sides of their basins, creating catastrophic floods that carved canyons very rapidly, perhaps in a matter of weeks. […]

  • NASA learns more about interstellar visitor...
    on November 15, 2018 at 2:33 pm

    The first known interstellar object to visit our solar system -- named 'Oumuamua -- was detected in October 2017 by Hawaii's Pan-STARRS 1 telescope. But it was too faint for NASA's Spitzer Space Telescope to detect when it looked more than two months after the object's closest approach to Earth in early September. That 'non-detection' puts a new limit on how large the strange object can be, astronomers now report. […]

  • Scientists capture the 'sound' of sunrise on Mars
    on November 9, 2018 at 3:14 pm

    Scientists have created the soundtrack of the 5,000th Mars sunrise captured by the robotic exploration rover, Opportunity, using data sonification techniques to create a two-minute piece of music. […]

  • Scientists theorize new origin story for Earth's...
    on November 7, 2018 at 6:03 pm

    Earth's water may have originated from both asteroidal material and gas left over from the formation of the Sun, according to new research. The new finding could give scientists important insights about the development of other planets and their potential to support life. […]

  • Evidence of outburst flooding indicates plentiful...
    on November 5, 2018 at 6:29 pm

    The presence of water on Mars has been theorized for centuries. Early telescopes revealed ice caps, and early astronomers noted channels that were hypothesized to be natural rivers or creature-created canals. […]

  • Magnetic pumping pushes plasma particles to high...
    on November 5, 2018 at 3:54 pm

    The solar wind is not a calm summer breeze. Instead, it is a roiling, chaotic mess of turbulence and waves. There is a lot of energy stored in this turbulence, so scientists have long thought that it heats the solar wind. However, the heating expected from turbulence is not the heating observed. Scientists now have a new idea about what heats the solar wind, a theory called magnetic pumping. […]

  • A stellar achievement: Magnetized space winds in...
    on November 5, 2018 at 3:54 pm

    New insights have been gained about stellar winds, streams of high-speed charged particles called plasma that blow through interstellar space. These winds, created by eruptions from stars or stellar explosions, carry with them strong magnetic fields which can interact with or effect other magnetic fields, such as those that surround planets like Earth. To understand these processes, researchers are employing laboratory experiments to study magnetic flows up close. […]

  • Comet tails blowing in the solar wind
    on November 2, 2018 at 5:19 pm

    Combined observations of Comet McNaught -- one of the brightest comets visible from Earth in the past 50 years -- have revealed new insights on the nature of comets and their relationship with the Sun. […]

  • NASA's Dawn mission to asteroid belt comes to end
    on November 2, 2018 at 1:03 pm

    NASA's Dawn spacecraft has gone silent, ending a historic mission that studied time capsules from the solar system's earliest chapter. […]

  • Naturally occurring 'batteries' fueled organic...
    on October 31, 2018 at 6:15 pm

    Mars' organic carbon may have originated from a series of electrochemical reactions between briny liquids and volcanic minerals, according to analyses of three Martian meteorites. The discovery that natural systems can form a small corrosion-powered battery that drives electrochemical reactions between minerals and surrounding liquid has major implications for astrobiology. A similar process could occur anywhere that igneous rocks are surrounded by brines, including the subsurface oceans of […]