65 relations: Alvan Clark, Alvan Clark & Sons, Anderson Mesa Station, Astrograph, Astronomer, Astronomical interferometer, Astronomy, Atmosphere, Boller and Chivens, Cassegrain reflector, Catadioptric system, Clyde Tombaugh, Coconino National Forest, Discovery Channel Telescope, Discovery, Inc., Dry ice, Exoplanet, Flagstaff, Arizona, Galaxy, Ganymede (moon), Guy Lowell, Halley's Comet, Happy Jack, Arizona, Harold Johnson (astronomer), HD 209458 b, Hydra (moon), Jupiter, Kuiper belt, List of the largest optical telescopes in the contiguous United States, Lowell family, Lowell Observatory Near-Earth-Object Search, Michael C. J. Putnam, National Historic Landmark, National Park Service, Navy Precision Optical Interferometer, Near-Earth object, Neptune, Neptune trojan, Nix (moon), Observatory, Outer space, Parabolic reflector, Percival Lowell, Pluto, Primary mirror, Recessional velocity, Reflecting telescope, Refracting telescope, Rings of Uranus, Ritchey–Chrétien telescope, ..., Roger Putnam, Solar irradiance, Star, Stratospheric Observatory for Infrared Astronomy, Sun, Telescope, Tucson, Arizona, United States, United States Naval Observatory, United States Naval Observatory Flagstaff Station, United States Naval Research Laboratory, University of Arizona, Uranus, Vesto Slipher, William Lowell Putnam III. Expand index (15 more) » « Shrink index
Alvan Clark (March 8, 1804 – August 19, 1887), born in Ashfield, Massachusetts, the descendant of a Cape Cod whaling family of English ancestry, was an American astronomer and telescope maker.
Alvan Clark & Sons was an American maker of optics that became famous for crafting lenses for some of the largest refracting telescopes of the 19th and early 20th centuries.
Anderson Mesa Station is an astronomical observatory established in 1959 as a dark-sky observing site for Lowell Observatory.
An astrograph (astrographic camera) is a telescope designed for the sole purpose of astrophotography.
An astronomer is a scientist in the field of astronomy who concentrates their studies on a specific question or field outside the scope of Earth.
An astronomical interferometer is an array of separate telescopes, mirror segments, or radio telescope antennas that work together as a single telescope to provide higher resolution images of astronomical objects such as stars, nebulas and galaxies by means of interferometry.
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body.
Boller and Chivens was an American manufacturer of high-quality telescopes and spectrographs headquartered in South Pasadena, California.
The Cassegrain reflector is a combination of a primary concave mirror and a secondary convex mirror, often used in optical telescopes and radio antennas.
A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses (dioptrics) and curved mirrors (catoptrics).
Clyde William Tombaugh (February 4, 1906January 17, 1997) was an American astronomer.
The Coconino National Forest is a 1.856-million acre (751,000 ha) United States National Forest located in northern Arizona in the vicinity of Flagstaff.
The Discovery Channel Telescope (DCT) is a aperture telescope built by Lowell Observatory and The Discovery Channel.
Discovery, Inc. (formerly Discovery Communications) is an American mass media company based in Silver Spring, Maryland, first established in 1985.
Dry ice, sometimes referred to as "cardice" (chiefly by British chemists), is the solid form of carbon dioxide.
An exoplanet or extrasolar planet is a planet outside our solar system.
Flagstaff is a city in and the county seat of Coconino County in northern Arizona, in the southwestern United States.
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
Ganymede (Jupiter III) is the largest and most massive moon of Jupiter and in the Solar System.
Guy Lowell (August 6, 1870 – February 4, 1927), was an American architect and landscape architect.
Halley's Comet or Comet Halley, officially designated 1P/Halley, is a short-period comet visible from Earth every 74–79 years.
Happy Jack is an unincorporated community and campground located in the Mogollon Rim Region of Coconino County, Arizona, United States.
Harold Lester Johnson (April 17, 1921 – April 2, 1980) was an American astronomer.
HD 209458 b, also given the nickname Osiris,http://exoplanets.co/exoplanets-tutorial/extrasolar-planet-hd-209458-b.html is an exoplanet that orbits the solar analog HD 209458 in the constellation Pegasus, some 159 light-years from the Solar System.
Hydra is the outermost known moon of Pluto.
Jupiter is the fifth planet from the Sun and the largest in the Solar System.
The Kuiper belt, occasionally called the Edgeworth–Kuiper belt, is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune (at 30 AU) to approximately 50 AU from the Sun.
List of the largest optical telescopes in the contiguous United States ranks optical telescopes located in the contiguous United States by aperture.
The Lowell family is one of the Boston Brahmin families of New England, known for both intellectual and commercial achievements.
Lowell Observatory Near-Earth-Object Search (LONEOS) was a project designed to discover asteroids and comets that orbit near the Earth.
Michael Courtney Jenkins Putnam (born September 20, 1933) is an American classicist specializing in Latin literature, but has also studied literature written in many other languages.
A National Historic Landmark (NHL) is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance.
The National Park Service (NPS) is an agency of the United States federal government that manages all national parks, many national monuments, and other conservation and historical properties with various title designations.
The Navy Precision Optical Interferometer (NPOI) is an American astronomical interferometer, with the world's largest baselines, operated by the Naval Observatory Flagstaff Station (NOFS) in collaboration with the Naval Research Laboratory (NRL) and Lowell Observatory.
A near-Earth object (NEO) is any small Solar System body whose orbit can bring it into proximity with Earth.
Neptune is the eighth and farthest known planet from the Sun in the Solar System.
Neptune trojans are bodies that orbit the Sun near one of the stable Lagrangian points of Neptune, similar to the trojans of other planets.
Nix is a natural satellite of Pluto.
An observatory is a location used for observing terrestrial or celestial events.
Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies.
A parabolic (or paraboloid or paraboloidal) reflector (or dish or mirror) is a reflective surface used to collect or project energy such as light, sound, or radio waves.
Percival Lawrence Lowell (March 13, 1855 – November 12, 1916) was an American businessman, author, mathematician, and astronomer who fueled speculation that there were canals on Mars.
Pluto (minor planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond Neptune.
A primary mirror (or primary) is the principal light-gathering surface (the objective) of a reflecting telescope.
Recessional velocity is the rate at which an astronomical object is moving away, typically from Earth.
A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image.
A refracting telescope (also called a refractor) is a type of optical telescope that uses a lens as its objective to form an image (also referred to a dioptric telescope).
The rings of Uranus are a system of rings around the planet Uranus, intermediate in complexity between the more extensive set around Saturn and the simpler systems around Jupiter and Neptune.
A Ritchey–Chrétien telescope (RCT or simply RC) is a specialized variant of the Cassegrain telescope that has a hyperbolic primary mirror and a hyperbolic secondary mirror designed to eliminate off-axis optical errors (coma).
Roger Lowell Putnam (December 19, 1893 – November 24, 1972) was an American politician and businessman.
Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument.
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
The Stratospheric Observatory for Infrared Astronomy (SOFIA) is an 80/20 joint project of NASA and the German Aerospace Center (DLR) to construct and maintain an airborne observatory.
The Sun is the star at the center of the Solar System.
A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation (such as visible light).
Tucson is a city and the county seat of Pima County, Arizona, United States, and home to the University of Arizona.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
The United States Naval Observatory (USNO) is one of the oldest scientific agencies in the United States, with a primary mission to produce Positioning, Navigation and Timing (PNT) for the United States Navy and the United States Department of Defense.
The United States Naval Observatory Flagstaff Station (NOFS), is an astronomical observatory near Flagstaff, Arizona, USA.
The United States Naval Research Laboratory (NRL) is the corporate research laboratory for the United States Navy and the United States Marine Corps.
The University of Arizona (also referred to as U of A, UA, or Arizona) is a public research university in Tucson, Arizona.
Uranus is the seventh planet from the Sun.
Vesto Melvin Slipher (November 11, 1875 – November 8, 1969) was an American astronomer who performed the first measurements of radial velocities for galaxies, providing the empirical basis for the expansion of the universe.
William Lowell Putnam III (October 25, 1924 – December 20, 2014) was an alpinist, author and retired broadcasting executive.