Get it on Google Play
New! Download Unionpedia on your Android™ device!
Faster access than browser!

Mariner 4

Index Mariner 4

Mariner 4 (together with Mariner 3 known as Mariner–Mars 1964) was the fourth in a series of spacecraft intended for planetary exploration in a flyby mode. [1]

84 relations: Accuracy and precision, Alpha Cephei, Alpha particle, Atlas-Agena, Atmosphere, Atmospheric pressure, Attitude control, Bar (unit), Bruce C. Murray, California Institute of Technology, Canopus, Cape Canaveral Air Force Station, Cape Canaveral Air Force Station Launch Complex 12, Cassegrain reflector, Celestial mechanics, Celsius, Cosmic dust, Cosmic ray, Data acquisition, Directional antenna, Earth, Electric power, Exploration of Mars, Gamma Velorum, Geiger counter, Geiger–Müller tube, Gyroscope, Heliocentric orbit, Helium, Hydrazine, Ionization chamber, Jet Propulsion Laboratory, Kilobyte, Life on Mars, List of missions to Mars, Magnesium, Magnetic field, Magnetometer, Mariner (crater), Mariner 3, Mariner 5, Mariner program, Mars, Micrometeoroid, Momentum, Monopropellant, Moon, NASA, Nitrogen, Orbit, ..., Outer space, Parabolic antenna, Particle detector, Pascal (unit), Pastel, Planetary flyby, Plasma (physics), Professional video camera, Prometheus Books, Proton, Radio, Radio occultation, Regulus, Resistor, RM-81 Agena, S band, Science fiction, Silver-oxide battery, SM-65D Atlas, Solar cell, Solar panel, Solar sail, Space exploration, Space probe, Spacecraft, Spacecraft propulsion, Sun, Tape recorder, The Washington Post, Traveling-wave tube, Triode, Van Allen radiation belt, Venus, Zeta Puppis. Expand index (34 more) »

Accuracy and precision

Precision is a description of random errors, a measure of statistical variability.

New!!: Mariner 4 and Accuracy and precision · See more »

Alpha Cephei

Alpha Cephei (α Cephei, abbreviated Alpha Cep, α Cep), also named Alderamin, is a second magnitude star in the constellation of Cepheus near the northern pole.

New!!: Mariner 4 and Alpha Cephei · See more »

Alpha particle

Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus.

New!!: Mariner 4 and Alpha particle · See more »


The Atlas-Agena was an American expendable launch system derived from the SM-65 Atlas missile.

New!!: Mariner 4 and Atlas-Agena · See more »


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.

New!!: Mariner 4 and Atmosphere · See more »

Atmospheric pressure

Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth (or that of another planet).

New!!: Mariner 4 and Atmospheric pressure · See more »

Attitude control

Attitude control is controlling the orientation of an object with respect to an inertial frame of reference or another entity like the celestial sphere, certain fields, and nearby objects, etc.

New!!: Mariner 4 and Attitude control · See more »

Bar (unit)

The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI).

New!!: Mariner 4 and Bar (unit) · See more »

Bruce C. Murray

Bruce Churchill Murray (November 30, 1931 – August 29, 2013) was an American planetary scientist.

New!!: Mariner 4 and Bruce C. Murray · See more »

California Institute of Technology

The California Institute of Technology (abbreviated Caltech)The university itself only spells its short form as "Caltech"; other spellings such as.

New!!: Mariner 4 and California Institute of Technology · See more »


Canopus, also designated Alpha Carinae (α Carinae, abbreviated Alpha Car, α Car), is the brightest star in the southern constellation of Carina, and the second-brightest star in the night-time sky, after Sirius.

New!!: Mariner 4 and Canopus · See more »

Cape Canaveral Air Force Station

Cape Canaveral Air Force Station (CCAFS) (known as Cape Kennedy Air Force Station from 1963 to 1973) is an installation of the United States Air Force Space Command's 45th Space Wing.

New!!: Mariner 4 and Cape Canaveral Air Force Station · See more »

Cape Canaveral Air Force Station Launch Complex 12

Launch Complex 12 (LC-12) at Cape Canaveral Air Force Station, Florida was a launch pad used by Atlas rockets and missiles between 1958 and 1967.

New!!: Mariner 4 and Cape Canaveral Air Force Station Launch Complex 12 · See more »

Cassegrain reflector

The Cassegrain reflector is a combination of a primary concave mirror and a secondary convex mirror, often used in optical telescopes and radio antennas.

New!!: Mariner 4 and Cassegrain reflector · See more »

Celestial mechanics

Celestial mechanics is the branch of astronomy that deals with the motions of celestial objects.

New!!: Mariner 4 and Celestial mechanics · See more »


The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).

New!!: Mariner 4 and Celsius · See more »

Cosmic dust

Cosmic dust, also called extraterrestrial dust or space dust, is dust which exists in outer space, as well as all over planet Earth.

New!!: Mariner 4 and Cosmic dust · See more »

Cosmic ray

Cosmic rays are high-energy radiation, mainly originating outside the Solar System and even from distant galaxies.

New!!: Mariner 4 and Cosmic ray · See more »

Data acquisition

Data acquisition is the process of sampling signals that measure real world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer.

New!!: Mariner 4 and Data acquisition · See more »

Directional antenna

A directional antenna or beam antenna is an antenna which radiates or receives greater power in specific directions allowing increased performance and reduced interference from unwanted sources.

New!!: Mariner 4 and Directional antenna · See more »


Earth is the third planet from the Sun and the only astronomical object known to harbor life.

New!!: Mariner 4 and Earth · See more »

Electric power

Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.

New!!: Mariner 4 and Electric power · See more »

Exploration of Mars

The planet Mars has been explored remotely by spacecraft.

New!!: Mariner 4 and Exploration of Mars · See more »

Gamma Velorum

Gamma Velorum (γ Vel, γ Velorum) is a multiple star system in the constellation Vela.

New!!: Mariner 4 and Gamma Velorum · See more »

Geiger counter

The Geiger counter is an instrument used for detecting and measuring ionizing radiation used widely in applications such as radiation dosimetry, radiological protection, experimental physics and the nuclear industry.

New!!: Mariner 4 and Geiger counter · See more »

Geiger–Müller tube

The Geiger–Müller tube or G–M tube is the sensing element of the Geiger counter instrument used for the detection of ionizing radiation.

New!!: Mariner 4 and Geiger–Müller tube · See more »


A gyroscope (from Ancient Greek γῦρος gûros, "circle" and σκοπέω skopéō, "to look") is a device used for measuring or maintaining orientation and angular velocity.

New!!: Mariner 4 and Gyroscope · See more »

Heliocentric orbit

A heliocentric orbit (also called circumsolar orbit) is an orbit around the barycenter of the Solar System, which is usually located within or very near the surface of the Sun.

New!!: Mariner 4 and Heliocentric orbit · See more »


Helium (from lit) is a chemical element with symbol He and atomic number 2.

New!!: Mariner 4 and Helium · See more »


Hydrazine is an inorganic compound with the chemical formula (also written), called diamidogen, archaically.

New!!: Mariner 4 and Hydrazine · See more »

Ionization chamber

The ionization chamber is the simplest of all gas-filled radiation detectors, and is widely used for the detection and measurement of certain types of ionizing radiation; X-rays, gamma rays, and beta particles.

New!!: Mariner 4 and Ionization chamber · See more »

Jet Propulsion Laboratory

The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.

New!!: Mariner 4 and Jet Propulsion Laboratory · See more »


The kilobyte is a multiple of the unit byte for digital information.

New!!: Mariner 4 and Kilobyte · See more »

Life on Mars

The possibility of life on Mars is a subject of significant interest to astrobiology due to its proximity and similarities to Earth.

New!!: Mariner 4 and Life on Mars · See more »

List of missions to Mars

There are a number of derelict orbiters around Mars whose location is not known precisely; there is a proposal to search for small moons, dust rings, and old orbiters with the Optical Navigation Camera on the Mars Reconnaissance Orbiter.

New!!: Mariner 4 and List of missions to Mars · See more »


Magnesium is a chemical element with symbol Mg and atomic number 12.

New!!: Mariner 4 and Magnesium · See more »

Magnetic field

A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.

New!!: Mariner 4 and Magnetic field · See more »


A magnetometer is an instrument that measures magnetism—either the magnetization of a magnetic material like a ferromagnet, or the direction, strength, or relative change of a magnetic field at a particular location.

New!!: Mariner 4 and Magnetometer · See more »

Mariner (crater)

Mariner Crater is a crater on Mars with a diameter of 170 km.

New!!: Mariner 4 and Mariner (crater) · See more »

Mariner 3

Mariner 3 (together with Mariner 4 known as Mariner-Mars 1964) was one of two identical deep-space probes designed and built by the Jet Propulsion Laboratory (JPL) for NASA's Mariner-Mars 1964 project that were intended to conduct close-up (flyby) scientific observations of the planet Mars and transmit information on interplanetary space and the space surrounding Mars, televised images of the Martian surface and radio occultation data of spacecraft signals as affected by the Martian atmosphere back to Earth.

New!!: Mariner 4 and Mariner 3 · See more »

Mariner 5

Mariner 5 (Mariner Venus 1967) was a spacecraft of the Mariner program that carried a complement of experiments to probe Venus' atmosphere by radio occultation, measure the hydrogen Lyman-alpha (hard ultraviolet) spectrum, and sample the solar particles and magnetic field fluctuations above the planet.

New!!: Mariner 4 and Mariner 5 · See more »

Mariner program

The Mariner program was a 10-mission program conducted by the American space agency NASA in conjunction with Jet Propulsion Laboratory (JPL).

New!!: Mariner 4 and Mariner program · See more »


Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.

New!!: Mariner 4 and Mars · See more »


A micrometeoroid is a tiny meteoroid; a small particle of rock in space, usually weighing less than a gram.

New!!: Mariner 4 and Micrometeoroid · See more »


In Newtonian mechanics, linear momentum, translational momentum, or simply momentum (pl. momenta) is the product of the mass and velocity of an object.

New!!: Mariner 4 and Momentum · See more »


Monopropellants are propellants consisting of chemicals that release energy through exothermic chemical decomposition.

New!!: Mariner 4 and Monopropellant · See more »


The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.

New!!: Mariner 4 and Moon · See more »


The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

New!!: Mariner 4 and NASA · See more »


Nitrogen is a chemical element with symbol N and atomic number 7.

New!!: Mariner 4 and Nitrogen · See more »


In physics, an orbit is the gravitationally curved trajectory of an object, such as the trajectory of a planet around a star or a natural satellite around a planet.

New!!: Mariner 4 and Orbit · See more »

Outer space

Outer space, or just space, is the expanse that exists beyond the Earth and between celestial bodies.

New!!: Mariner 4 and Outer space · See more »

Parabolic antenna

A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves.

New!!: Mariner 4 and Parabolic antenna · See more »

Particle detector

In experimental and applied particle physics, nuclear physics, and nuclear engineering, a particle detector, also known as a radiation detector, is a device used to detect, track, and/or identify ionizing particles, such as those produced by nuclear decay, cosmic radiation, or reactions in a particle accelerator.

New!!: Mariner 4 and Particle detector · See more »

Pascal (unit)

The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.

New!!: Mariner 4 and Pascal (unit) · See more »


A pastel is an art medium in the form of a stick, consisting of pure powdered pigment and a binder.

New!!: Mariner 4 and Pastel · See more »

Planetary flyby

A planetary flyby is the act of sending a space probe past a planet or a dwarf planet close enough to record scientific data.

New!!: Mariner 4 and Planetary flyby · See more »

Plasma (physics)

Plasma (Henry George Liddell, Robert Scott, A Greek English Lexicon, on Perseus) is one of the four fundamental states of matter, and was first described by chemist Irving Langmuir in the 1920s.

New!!: Mariner 4 and Plasma (physics) · See more »

Professional video camera

A professional video camera (often called a television camera even though the use has spread beyond television) is a high-end device for creating electronic moving images (as opposed to a movie camera, that earlier recorded the images on film).

New!!: Mariner 4 and Professional video camera · See more »

Prometheus Books

Prometheus Books is a publishing company founded in August 1969 by the philosopher Paul Kurtz (who was also the founder of the Council for Secular Humanism, Center for Inquiry, and co-founder of the Committee for Skeptical Inquiry).

New!!: Mariner 4 and Prometheus Books · See more »


| magnetic_moment.

New!!: Mariner 4 and Proton · See more »


Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.

New!!: Mariner 4 and Radio · See more »

Radio occultation

Radio occultation (RO) is a remote sensing technique used for measuring the physical properties of a planetary atmosphere or ring system.

New!!: Mariner 4 and Radio occultation · See more »


Regulus, also designated Alpha Leonis (α Leonis, abbreviated Alpha Leo, α Leo), is the brightest star in the constellation of Leo and one of the brightest stars in the night sky, lying approximately 79 light years from the Sun.

New!!: Mariner 4 and Regulus · See more »


A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.

New!!: Mariner 4 and Resistor · See more »

RM-81 Agena

The RM-81 Agena was an American rocket upper stage and satellite bus which was developed by Lockheed initially for the canceled WS-117L reconnaissance satellite program.

New!!: Mariner 4 and RM-81 Agena · See more »

S band

The S band is a designation by the Institute of Electrical and Electronics Engineers (IEEE) for a part of the microwave band of the electromagnetic spectrum covering frequencies from 2 to 4 gigahertz (GHz).

New!!: Mariner 4 and S band · See more »

Science fiction

Science fiction (often shortened to Sci-Fi or SF) is a genre of speculative fiction, typically dealing with imaginative concepts such as advanced science and technology, spaceflight, time travel, and extraterrestrial life.

New!!: Mariner 4 and Science fiction · See more »

Silver-oxide battery

A silver-oxide battery (IEC code: S) is a primary cell with a very high energy-to-weight ratio.

New!!: Mariner 4 and Silver-oxide battery · See more »

SM-65D Atlas

The SM-65D Atlas, or Atlas D, was the first operational version of the U.S. Atlas missile.

New!!: Mariner 4 and SM-65D Atlas · See more »

Solar cell

A solar cell, or photovoltaic cell, is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon.

New!!: Mariner 4 and Solar cell · See more »

Solar panel

Photovoltaic solar panels absorb sunlight as a source of energy to generate electricity.

New!!: Mariner 4 and Solar panel · See more »

Solar sail

Solar sails (also called light sails or photon sails) are a proposed method of spacecraft propulsion using radiation pressure exerted by sunlight on large mirrors.

New!!: Mariner 4 and Solar sail · See more »

Space exploration

Space exploration is the discovery and exploration of celestial structures in outer space by means of evolving and growing space technology.

New!!: Mariner 4 and Space exploration · See more »

Space probe

A space probe is a robotic spacecraft that does not orbit the Earth, but, instead, explores further into outer space.

New!!: Mariner 4 and Space probe · See more »


A spacecraft is a vehicle or machine designed to fly in outer space.

New!!: Mariner 4 and Spacecraft · See more »

Spacecraft propulsion

Spacecraft propulsion is any method used to accelerate spacecraft and artificial satellites.

New!!: Mariner 4 and Spacecraft propulsion · See more »


The Sun is the star at the center of the Solar System.

New!!: Mariner 4 and Sun · See more »

Tape recorder

An audio tape recorder, tape deck, or tape machine is an audio storage device that records and plays back sounds, including articulated voices, usually using magnetic tape, either wound on a reel or in a cassette, for storage.

New!!: Mariner 4 and Tape recorder · See more »

The Washington Post

The Washington Post is a major American daily newspaper founded on December 6, 1877.

New!!: Mariner 4 and The Washington Post · See more »

Traveling-wave tube

A traveling-wave tube (TWT, pronounced "twit") or traveling-wave tube amplifier (TWTA, pronounced "tweeta") is a specialized vacuum tube that is used in electronics to amplify radio frequency (RF) signals in the microwave range.

New!!: Mariner 4 and Traveling-wave tube · See more »


A triode is an electronic amplifying vacuum tube (or valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).

New!!: Mariner 4 and Triode · See more »

Van Allen radiation belt

A Van Allen radiation belt is a zone of energetic charged particles, most of which originate from the solar wind, that are captured by and held around a planet by that planet's magnetic field.

New!!: Mariner 4 and Van Allen radiation belt · See more »


Venus is the second planet from the Sun, orbiting it every 224.7 Earth days.

New!!: Mariner 4 and Venus · See more »

Zeta Puppis

Zeta Puppis (ζ Puppis, abbreviated Zeta Pup, ζ Pup), also named Naos, is a star in the constellation of Puppis.

New!!: Mariner 4 and Zeta Puppis · See more »

Redirects here:

1964-077A, Mariner IV, Mariner4.


[1] https://en.wikipedia.org/wiki/Mariner_4

Hey! We are on Facebook now! »