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Astronomy on Mars, the Glossary

Many astronomical phenomena viewed from the planet Mars are the same as or similar to those seen from Earth; but some (e.g. the view of Earth as an evening/morning star) are quite different.^[1]

96 relations: Albedo, Alpha Cephei, Apollo program, Apparent magnitude, Apsis, Aquarius (constellation), Astronomical transit, Astronomy, Astronomy on Mercury, Atmosphere of Mars, Aurora, Axial tilt, C/2013 A1 (Siding Spring), Canopus, Celestial pole, Cepheus (constellation), Cetus, Climate of Mars, Comet, Compositing, Conjunction (astronomy), Constellation, Coordinated Universal Time, Crust (geology), Curiosity (rover), Cygnus (constellation), Declination, Deimos (moon), Deneb, Earth, Ecliptic, Elongation (astronomy), Equinox, European Space Agency, Extraterrestrial sky, Galactic plane, Galilean moons, Gamma Cygni, Hemispheres of Earth, Hubble Space Telescope, Icarus (journal), Ice age, Inferior and superior planets, Jupiter, Kappa Velorum, Libration, Lunar eclipse, Lunar phase, Magnetite, Mars, ... Expand index (46 more) »

Albedo

Albedo is the fraction of sunlight that is diffusely reflected by a body.

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Alpha Cephei

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

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The Apollo program, also known as Project Apollo, was the United States human spaceflight program carried out by the National Aeronautics and Space Administration (NASA), which succeeded in preparing and landing the first men on the Moon from 1968 to 1972.

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Apparent magnitude

Apparent magnitude is a measure of the brightness of a star or other astronomical object. Astronomy on Mars and Apparent magnitude are Observational astronomy.

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Apsis

An apsis is the farthest or nearest point in the orbit of a planetary body about its primary body.

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Aquarius (constellation)

Aquarius is an equatorial constellation of the zodiac, between Capricornus and Pisces.

See Astronomy on Mars and Aquarius (constellation)

Astronomical transit

In astronomy, a transit (or astronomical transit) is the passage of a celestial body directly between a larger body and the observer.

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Astronomy

Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos.

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Astronomy on Mercury

Astronomy on Mercury is the sky as viewed from the planet Mercury. Astronomy on Mars and Astronomy on Mercury are Observational astronomy.

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Atmosphere of Mars

The atmosphere of Mars is the layer of gases surrounding Mars. Astronomy on Mars and atmosphere of Mars are Mars.

See Astronomy on Mars and Atmosphere of Mars

Aurora

An aurora (aurorae or auroras), also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic).

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Axial tilt

In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, which is the line perpendicular to its orbital plane; equivalently, it is the angle between its equatorial plane and orbital plane.

See Astronomy on Mars and Axial tilt

C/2013 A1 (Siding Spring)

C/2013 A1 (Siding Spring) is an Oort cloud comet discovered on 3 January 2013 by Robert H. McNaught at Siding Spring Observatory using the Uppsala Southern Schmidt Telescope.

See Astronomy on Mars and C/2013 A1 (Siding Spring)

Canopus

Canopus is the brightest star in the southern constellation of Carina and the second-brightest star in the night sky.

See Astronomy on Mars and Canopus

Celestial pole

The north and south celestial poles are the two points in the sky where Earth's axis of rotation, indefinitely extended, intersects the celestial sphere.

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Cepheus (constellation)

Cepheus is a constellation in the deep northern sky, named after Cepheus, a king of Aethiopia in Greek mythology.

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Cetus

Cetus is a constellation, sometimes called 'the whale' in English.

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Climate of Mars

The climate of Mars has been a topic of scientific curiosity for centuries, in part because it is the only terrestrial planet whose surface can be easily directly observed in detail from the Earth with help from a telescope.

See Astronomy on Mars and Climate of Mars

Comet

A comet is an icy, small Solar System body that warms and begins to release gases when passing close to the Sun, a process called outgassing.

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Compositing

Compositing is the process or technique of combining visual elements from separate sources into single images, often to create the illusion that all those elements are parts of the same scene.

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Conjunction (astronomy)

In astronomy, a conjunction occurs when two astronomical objects or spacecraft appear to be close to each other in the sky.

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Constellation

A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.

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Coordinated Universal Time

Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time.

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Crust (geology)

In geology, the crust is the outermost solid shell of a planet, dwarf planet, or natural satellite.

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Curiosity (rover)

Curiosity is a car-sized Mars rover exploring Gale crater and Mount Sharp on Mars as part of NASA's Mars Science Laboratory (MSL) mission.

See Astronomy on Mars and Curiosity (rover)

Cygnus (constellation)

Cygnus is a northern constellation on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan.

See Astronomy on Mars and Cygnus (constellation)

Declination

In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.

See Astronomy on Mars and Declination

Deimos (moon)

Deimos (systematic designation: Mars II) is the smaller and outer of the two natural satellites of Mars, the other being Phobos.

See Astronomy on Mars and Deimos (moon)

Deneb

Deneb is a first-magnitude blue supergiant star in the constellation of Cygnus.

See Astronomy on Mars and Deneb

Earth

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

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Ecliptic

The ecliptic or ecliptic plane is the orbital plane of Earth around the Sun.

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Elongation (astronomy)

In astronomy, a planet's elongation is the angular separation between the Sun and the planet, with Earth as the reference point.

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Equinox

A solar equinox is a moment in time when the Sun crosses the Earth's equator, which is to say, appears directly above the equator, rather than north or south of the equator.

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European Space Agency

The European Space Agency (ESA) is a 22-member intergovernmental body devoted to space exploration.

See Astronomy on Mars and European Space Agency

In astronomy, an extraterrestrial sky is a view of outer space from the surface of an astronomical body other than Earth. Astronomy on Mars and extraterrestrial sky are Observational astronomy.

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Galactic plane

The galactic plane is the plane on which the majority of a disk-shaped galaxy's mass lies.

See Astronomy on Mars and Galactic plane

Galilean moons

The Galilean moons, or Galilean satellites, are the four largest moons of Jupiter: Io, Europa, Ganymede, and Callisto.

See Astronomy on Mars and Galilean moons

Gamma Cygni

Gamma Cygni (γ Cygni, abbreviated Gamma Cyg, γ Cyg), officially named Sadr, is a star in the northern constellation of Cygnus, forming the intersection of an asterism of five stars called the Northern Cross.

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Hemispheres of Earth

In geography and cartography, hemispheres of Earth are any division of the globe into two equal halves (hemispheres), typically divided into northern and southern halves by the Equator or into western and eastern halves by the Prime meridian.

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Hubble Space Telescope

The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.

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Icarus (journal)

ICARUS is a scientific journal dedicated to the field of planetary science.

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Ice age

An ice age is a long period of reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.

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Inferior and superior planets

In the Solar System, a planet is said to be inferior or interior with respect to another planet if its orbit lies inside the other planet's orbit around the Sun.

See Astronomy on Mars and Inferior and superior planets

Jupiter

Jupiter is the fifth planet from the Sun and the largest in the Solar System.

See Astronomy on Mars and Jupiter

Kappa Velorum

Kappa Velorum (κ Velorum, abbreviated Kappa Vel, κ Vel; proper name Markeb) is a binary star system in the southern constellation of Vela.

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Libration

In lunar astronomy, libration is the cyclic variation in the apparent position of the Moon perceived by Earth-bound observers and caused by changes between the orbital and rotational planes of the moon.

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Lunar eclipse

A lunar eclipse is an astronomical event that occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened.

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Lunar phase

A lunar phase or Moon phase is the apparent shape of the Moon's directly sunlit portion as viewed from the Earth (because the Moon is tidally locked with the Earth, the same hemisphere is always facing the Earth). Astronomy on Mars and lunar phase are Observational astronomy.

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Magnetite

Magnetite is a mineral and one of the main iron ores, with the chemical formula.

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Mars

Mars is the fourth planet from the Sun.

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Mars Exploration Rover

NASA's Mars Exploration Rover (MER) mission was a robotic space mission involving two Mars rovers, Spirit and Opportunity, exploring the planet Mars.

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Mars Global Surveyor

Mars Global Surveyor (MGS) was an American robotic space probe developed by NASA's Jet Propulsion Laboratory and launched November 1996.

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Meteor shower

A meteor shower is a celestial event in which a number of meteors are observed to radiate, or originate, from one point in the night sky.

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Meteorite

A meteorite is a rock that originated in outer space and has fallen to the surface of a planet or moon.

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Meteoroid

A meteoroid is a small rocky or metallic body in outer space.

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Milankovitch cycles

Milankovitch cycles describe the collective effects of changes in the Earth's movements on its climate over thousands of years.

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Milky Way

The Milky Way is the galaxy that includes the Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye.

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Moon

The Moon is Earth's only natural satellite.

See Astronomy on Mars and Moon

Naked eye

Naked eye, also called bare eye or unaided eye, is the practice of engaging in visual perception unaided by a magnifying, light-collecting optical instrument, such as a telescope or microscope, or eye protection. Astronomy on Mars and Naked eye are Observational astronomy.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the U.S. federal government responsible for the civil space program, aeronautics research, and space research.

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New Scientist

New Scientist is a popular science magazine covering all aspects of science and technology.

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Occultation

An occultation is an event that occurs when one object is hidden from the observer by another object that passes between them. Astronomy on Mars and occultation are Observational astronomy.

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Ophiuchus

Ophiuchus is a large constellation straddling the celestial equator.

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Orbital eccentricity

In astrodynamics, the orbital eccentricity of an astronomical object is a dimensionless parameter that determines the amount by which its orbit around another body deviates from a perfect circle.

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Ozone layer

The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation.

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Parallax

Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight and is measured by the angle or half-angle of inclination between those two lines.

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Perturbation (astronomy)

In astronomy, perturbation is the complex motion of a massive body subjected to forces other than the gravitational attraction of a single other massive body.

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Phobos (moon)

Phobos (systematic designation) is the innermost and larger of the two natural satellites of Mars, the other being Deimos.

See Astronomy on Mars and Phobos (moon)

Pisces (constellation)

Pisces is a constellation of the zodiac.

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Precession

Precession is a change in the orientation of the rotational axis of a rotating body.

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Rayleigh scattering

Rayleigh scattering, named after the 19th-century British physicist Lord Rayleigh (John William Strutt), is the predominantly elastic scattering of light, or other electromagnetic radiation, by particles with a size much smaller than the wavelength of the radiation.

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Right ascension

Right ascension (abbreviated RA; symbol) is the angular distance of a particular point measured eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point in question above the Earth.

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Scientific American

Scientific American, informally abbreviated SciAm or sometimes SA, is an American popular science magazine.

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Seasonal lag

Seasonal lag is the phenomenon whereby the date of maximum average air temperature at a geographical location on a planet is delayed until some time after the date of maximum daylight (i.e. the summer solstice).

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Sidereal time

Sidereal time ("sidereal" pronounced) is a system of timekeeping used especially by astronomers.

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Sidereal year

A sidereal year, also called a sidereal orbital period, is the time that Earth or another planetary body takes to orbit the Sun once with respect to the fixed stars.

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Solar eclipses on Mars

The two moons of Mars, Phobos and Deimos, are much smaller than Earth's Moon, greatly reducing the frequency of solar eclipses on that planet. Astronomy on Mars and solar eclipses on Mars are Mars.

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Solar System

The Solar SystemCapitalization of the name varies.

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Solstice

A solstice is the time when the Sun reaches its most northerly or southerly excursion relative to the celestial equator on the celestial sphere.

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Spirit (rover)

Spirit, also known as MER-A (Mars Exploration Rover – A) or MER-2, is a Mars robotic rover, active from 2004 to 2010.

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Stickney (crater)

Stickney is the largest crater on Phobos, which is a satellite of Mars.

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Sun

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

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Taurus (constellation)

Taurus (Latin, 'Bull') is one of the constellations of the zodiac and is located in the northern celestial hemisphere.

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The Hindu

The Hindu is an Indian English-language daily newspaper owned by The Hindu Group, headquartered in Chennai, Tamil Nadu.

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Tidal locking

Tidal locking between a pair of co-orbiting astronomical bodies occurs when one of the objects reaches a state where there is no longer any net change in its rotation rate over the course of a complete orbit.

See Astronomy on Mars and Tidal locking

Timekeeping on Mars

Though no standard exists, numerous calendars and other timekeeping approaches have been proposed for the planet Mars. Astronomy on Mars and timekeeping on Mars are Mars.

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Transit of Deimos from Mars

A transit of Deimos across the Sun as seen from Mars occurs when Deimos passes directly between the Sun and a point on the surface of Mars, obscuring a small part of the Sun's disc for an observer on Mars.

See Astronomy on Mars and Transit of Deimos from Mars

Transit of Earth from Mars

right A transit of Earth across the Sun as seen from Mars takes place when the planet Earth passes directly between the Sun and Mars, obscuring a small part of the Sun's disc for an observer on Mars. Astronomy on Mars and transit of Earth from Mars are Mars.

See Astronomy on Mars and Transit of Earth from Mars

References

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

Also known as Mars (astronomy).

, Mars Exploration Rover, Mars Global Surveyor, Meteor shower, Meteorite, Meteoroid, Milankovitch cycles, Milky Way, Moon, Naked eye, NASA, New Scientist, Occultation, Ophiuchus, Orbital eccentricity, Ozone layer, Parallax, Perturbation (astronomy), Phobos (moon), Pisces (constellation), Precession, Rayleigh scattering, Right ascension, Scientific American, Seasonal lag, Sidereal time, Sidereal year, Solar eclipses on Mars, Solar System, Solstice, Spirit (rover), Stickney (crater), Sun, Taurus (constellation), The Hindu, Tidal locking, Timekeeping on Mars, Transit of Deimos from Mars, Transit of Earth from Mars, Transit of Mercury from Mars, Transit of Phobos from Mars, Ultraviolet astronomy, Venus, Virgo (constellation), Year, Zodiac, 114P/Wiseman–Skiff.

Astronomy on Mars, the Glossary

Table of Contents

References