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HOPS Sources in Orion

Ground-based wide-view of the Orion cloud complex overlaid with a Hubble image of HOPS Sources – yellow dots at lower left

This ground-based image offers a wide view of the entire Orion cloud complex, the closest major star-forming region to Earth.

The red material is hydrogen gas ionized and heated by ultraviolet radiation from massive stars in Orion. The stars are forming in clouds of cold hydrogen gas that are either invisible or appear as dark regions in this image. The crescent shape is called Barnard's Loop and partly wraps around the winter constellation figure of Orion the Hunter. The hunter's belt is the diagonal chain of three stars at image center. His feet are the bright stars Saiph (bottom left) and Rigel (bottom right).

This landscape encompasses tens of thousands of newly forming stars bursting to life. Many are still encased in their natal cocoons of gas and dust and only seen in infrared light.

The undulating line of yellow dots, beginning at lower left, is a superimposed image of 304 nascent stars taken by NASA's Hubble Space Telescope.

Researchers used NASA's Hubble and Spitzer space telescopes and the European Space Agency's Herschel Space Telescope to analyze how young stars' powerful outflows carve out cavities in the vast gas clouds. The study is the largest-ever survey of developing stars.

About the Object

  • R.A. Position
    R.A. PositionRight ascension – analogous to longitude – is one component of an object's position.
    05:35:17
  • Dec. Position
    Dec. PositionDeclination – analogous to latitude – is one component of an object's position.
    -05:23:28
  • Constellation
    ConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.
    Orion
  • Distance
    DistanceThe physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.
    1,344 light-years

About the Data

  • Data Description
    Data DescriptionProposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
    Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.

  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    Orion Nebula
  • Object Description
    Object DescriptionThe type of astronomical object.
    HOPS Sources identified in yellow over a wide-field image of Orion
  • Release Date
    March 18, 2021
  • Science Release
    Hubble Shows Torrential Outflows from Infant Stars May Not Stop Them from Growing
  • Credits
    Rogelio Andreo (RBA Premium Astrophotography)

Downloads

  • 1297 × 2000
    png (4.44 MB)
  • Full Res, 6630 × 10219
    png (103.13 MB)
  • Full Res, 6630 × 10219
    tif (92.5 MB)

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Details

Last Updated
Mar 11, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov

Science Credit

NASA, ESA, STScI, Nolan Habel (UToledo), Tom Megeath (UToledo)