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19 relations: Alnitak, Dark nebula, European Southern Observatory, Harvard College, Horse, Hubble Space Telescope, Hydrogen, Light-year, List of Hubble anniversary images, Magnetic field, Minute and second of arc, NGC 2023, Orion (constellation), Orion Molecular Cloud Complex, Scotland, Sigma Orionis, Star formation, William Henry Pickering, Williamina Fleming.
Alnitak
Alnitak, designated Zeta Orionis (ζ Orionis, abbreviated Zeta Ori, ζ Ori) and 50 Orionis (50 Ori), is a multiple star several hundred parsecs from the Sun in the constellation of Orion.
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Dark nebula
A dark nebula or absorption nebula is a type of interstellar cloud that is so dense that it obscures the light from objects behind it, such as background stars and emission or reflection nebulae.
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European Southern Observatory
The European Southern Observatory (ESO) is a 15-nation intergovernmental research organization for ground-based astronomy.
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Harvard College
Harvard College is the undergraduate liberal arts college of Harvard University.
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Horse
The horse (Equus ferus caballus) is one of two extant subspecies of ''Equus ferus''.
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Hubble Space Telescope
The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.
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Hydrogen
Hydrogen is a chemical element with symbol H and atomic number 1.
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Light-year
The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.
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List of Hubble anniversary images
List of Hubble anniversary images is a list of images released to celebrate the Hubble Space Telescope anniversaries.
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Magnetic field
A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.
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Minute and second of arc
A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.
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NGC 2023
NGC 2023 (also known as LBN 954) is an emission and reflection nebula located in the constellation of Orion.
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Orion (constellation)
Orion is a prominent constellation located on the celestial equator and visible throughout the world.
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Orion Molecular Cloud Complex
The Orion Molecular Cloud Complex (or, simply, the Orion Complex) is a star forming region with stellar ages ranging up to 12 Myr.
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Scotland
Scotland (Alba) is a country that is part of the United Kingdom and covers the northern third of the island of Great Britain.
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Sigma Orionis
Sigma Orionis or Sigma Ori (σ Orionis, σ Ori) is a multiple star system in the constellation Orion, consisting of the brightest members of a young open cluster.
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Star formation
Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or "star-forming regions", collapse and form stars.
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William Henry Pickering
William Henry Pickering (February 15, 1858 – January 16, 1938) was an American astronomer.
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Williamina Fleming
Williamina Paton Stevens Fleming (May 15, 1857 – May 21, 1911) was a Scottish-American astronomer.
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Redirects here:
Barnard 33, Horse head nebula, Horse's Head nebula, Horsehead nebula, IC434.
