Title graphic for Sea and Sky's astronomy reference guide, astronomers observing the night sky

Celestial Objects

This page contains links to websites about celestial objects, including asteroids, comets, black holes, galaxies, planets, meteors, quasars, the Solar System, and more. These links are provided by Sea and Sky as a courtesy to our visitors in an attempt to make these resources easy to find and use. By clicking on the links below, you will leave the Sea and Sky site. Sea and Sky is not responsible for the content of these external sites. Problems with these external links should be reported to the Sea and Sky administrator.

  • Barringer Meteor Crater
    The official Web site of the Barringer meteor crater in Arizona, arguable the most famous meteor crater on the face of the Earth. Features information and history about this unique American landmark.

  • IAU Minor Planet Center
    The Minor Planet Center, or MPC, is the single worldwide location for receipt and distribution of positional measurements of minor planets, comets and outer irregular natural satellites of the major planets.

  • International Meteor Organization
    The International Meteor Organization (IMO) was founded in 1988 and has more than 250 members now. IMO was created in response to an ever growing need for international cooperation of meteor amateur work.

  • NASA Science - Black Holes
    This page from NASA features detailed information, articles, and images about black holes, including their formation and locations.

  • Black Holes - Facts, Theory, and Definition
    This page from Space.com features information, images, and video about black holes, including their formation and the theory behind what makes them tick.

  • Celestial Objects - Black Holes
    This page from Sea and Sky featured information about black holes, including their formation, anatomy, and the search for black holes in the universe.

  • The Exoplanet Data Explorer
    The Exoplanet Data Explorer is an interactive table and plotter for exploring and displaying data from the Exoplanet Orbit Database.

  • The Extrasolar Planets Encyclopedia
    The Extrasolar Planets Encyclopedia is the world's most comprehensive interactive database of extrasolar planets updated daily since 1995.

  • The Open Planet Catalogue
    The Open Exoplanet Catalogue is a catalogue of all discovered extra-solar planets. It is a new kind of astronomical database that is decentralized and completely open.

  • Planet Quest - the Search for Another Earth
    Official NASA portal for news about the latest exoplanet discoveries, the Kepler mission, planet hunters, and more.

  • Galaxy Zoo
    An interactive project that allows users to participate in a large-scale project of galaxy research: classifying millions of galaxies found in the Sloan Digital Sky Survey.

  • NASA Astrophysics - Galaxies
    The official NASA page with information about galaxies including their formation, structures, and shapes.

  • Mars One
    Mars One hopes to establish a permanent human settlement on Mars. Crews of four will depart every two years, starting in 2024. The first unmanned mission will be launched in 2018.

  • The Mars Society
    The Mars Society is a space advocacy non-profit organization dedicated to promoting the human exploration and settlement of the planet Mars.

  • NASA's Mars Exploration Page
    Official NASA page featuring Mars planet facts, images videos & news of NASA Mars rover spacecraft mission discovery & human exploration.

  • American Meteor Society
    The American Meteor Society is a non-profit scientific organization established to inform, encourage, and support the research activities of amateur and professional astronomers who are interested in the field of meteor astronomy.

  • American Meteor Society Meteor Shower Calendar
    The American Meteor Society's Meteor Shower Calendar features detailed information about all yearly meteor showers including dates, hourly rates, and moon phases.

  • International Meteor Organization
    The International Meteor Organization (IMO) features a collection of meteor observations by several methods from all around the world to ensure the comprehensive study of meteor showers.

  • The Meteorite Exchange
    A portal to the world of meteorites featuring a vast amount of information on various topics from meteorite identification, learning about meteorites, photos, and information about dealers and places to buy a meteorite.

  • The Meteorite Market
    The Web's oldest and best place to buy meteorites since 1995. Features photos of specimens and a wealth of information about meteorites.

  • NASA Meteors and Meteorites Page
    Official NASA page about meteors and meteorites including information, images, and news.

  • Earth's Moon
    Official NASA home page for detailed information about the Moon featuring images and videos, mission information, news, and links to favorite moon songs.

  • Farmer's Almanac Moon Phase Calendar
    This Moon phase calendar shows the moon phase information for upcoming full moons, new moons and more!

  • Google Moon
    An interactive photographic map of the equatorial region of the Moon with pan and zoom capability, showing locations of the Apollo landings.

  • The Lunar Embassy
    The leaders in extraterrestrial real estate and the only company in the world to be recognized to possess a legal basis for selling and registering extraterrestrial properties!

  • NASA Photojournal Images of the Moon
    Official NASA page featuring high resolution images of the Moon from current and past Moon exploration missions.

  • ESA/Hubble Nebula Image Archive
    Official ESA site featuring hundreds of high-resolution nebula images captured by the Hubble space telescope.

  • NOAO Nebula Images
    Official NOAR site featuring hundreds of beautiful high-resolution images of nebulae taken by the National Optical Astronomy Telescope.

  • NASA Solar System Exploration
    The official NASA website for the Solar System featuring information and images about the planets, asteroids, comets, meteors, dwarf planets, and beyond.

  • The Nine Planets
    A Multimedia Tour of the Solar System featuring an overview of the history, mythology, and current scientific knowledge of the planets, moons and other objects in our solar system.

  • Sea and Sky's Tour of the Solar System
    A detailed visual tour of our Solar System featuring information and images of the Sun, planets, moons, comets, asteroids, meteoroids, dwarf planets, and minor planets.

  • Views of the Solar System
    A vivid multimedia adventure unfolding the splendor of the Sun, planets, moons, comets, asteroids, and more.

  • 100,000 Stars
    An amazing interactive multimedia tour of our local stellar neighborhood. Zoom in, explore, and get detailed information for over 100,000 stars nearest to our Solar System. Requires the Google Chrome Web browser.

  • The Constellations and Their Stars
    Brief information on both stars and constellations, including the sun. Features definitions of all 88 constellations and a list of the 26 brightest stars in the solar system.

  • ESA/Hubble Star Cluster Image Archive
    Official ESA site featuring hundreds of high-resolution star cluster images captured by the Hubble space telescope.

  • ESO Star Cluster Image Archive
    Features hundreds of beautiful high-resolution images of star clusters from the European Southern Observatory.

  • SOHO Home Page
    Official NASA website for the Solar and Heliospheric Observatory. Features mission information, current images and videos of the Sun, and solar weather alerts.

  • Solar Dynamics Observatory
    Official NASA website for the Solar Dynamics Observatory. SDO is designed to help us understand the Sun's influence on Earth and Near-Earth space by studying the solar atmosphere on small scales of space and time.

  • Solar System Exploration - The Sun
    Official NASA page about the Sun. Features images and videos as well as information about solar statistics, solar missions, and solar eclipses.

  • SpaceWeather.com
    Features extensive information about the Sun and how it interacts with the Earth, Includes information about sunspots and solar storms, as well as aurora alerts.