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Quiet Stargazing
Spitzer Captures Messier 87
Explore the profound quiet of the universe through NASA's high-resolution archives. Perfect for your stargazing journey.
Celestial Log
NASA Observation
This image from NASA's Spitzer Space Telescope shows the elliptical galaxy Messier 87 (M87), the home galaxy of the supermassive black hole recently imaged by the Event Horizon Telescope (EHT). Spitzer's infrared view shows a faint trace of a jet of material spewing to the right of the galaxy - a feature that was previously one key indicator that a supermassive black hole lived at the galaxy's center. More prominent in the image is the shockwave created by that jet. The inset in the image below shows a close-up view of the shockwave on the right side of the galaxy, as well as the shockwave from a second jet traveling to the left of the galaxy. Located about 55 million light-years from Earth, M87 has been a subject of astronomical study for more than 100 years and has been imaged by many NASA observatories, including the Hubble Space Telescope, the Chandra X-ray Observatory and NuSTAR. In 1918, astronomer Heber Curtis first noticed "a curious straight ray" extending from the galaxy's center. This bright jet (which appears to extend to the right of the galaxy) is visible in multiple wavelengths of light, from radio waves through X-rays. The jet is produced by a disk of material spinning rapidly around the black hole, and spewing in opposite directions away from the galaxy. When the particles in the jet impact the interstellar medium (the sparse material filling the space between stars in M87), they create a shockwave that radiates in infrared and radio wavelengths of light, but not visible light. The jet on the right is traveling almost directly toward Earth, and its brightness is amplified due to its high speed in our direction. But the jet's trajectory is just slightly offset from our line of sight with the galaxy, so we can still see some of the length of the jet. The shockwave begins around the point where the jet appears to curve down, highlighting the regions where the fast-moving particles are colliding with gas in the galaxy and slowing down. There is also a second jet on the left that is moving so rapidly away from us it is rendered invisible at all wavelengths. But the shockwave it creates in the interstellar medium can still be seen here. In the Spitzer image, the shockwave is on the left side of the galaxy and looks like an inverted letter "C." Scientists are still striving for a solid theoretical understanding of how inflowing gas around black holes creates outflowing jets. Infrared light at wavelengths of 3.6 and 4.5 microns are rendered in blue and green, showing the distribution of stars, while dust features that glow brightly at 8.0 microns are shown in red. The image was taken during Spitzer's initial "cold" mission. https://photojournal.jpl.nasa.gov/catalog/PIA23122
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Scientific Background
This particular celestial object, Spitzer Captures Messier 87, was captured by NASA's deep space observatories. While its specific historical mythology remains a mystery, objects of this type are crucial for our understanding of cosmic evolution and stellar life cycles.
To observe phenomena similar to this, we recommend using high-contrast filters and a motorized equatorial mount.
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Stargazer FAQ
Are the colors in this nebula image real?
NASA often uses 'false color' techniques. Scientists map invisible wavelengths (like infrared) or specific gases to visible colors (red, green, blue) to highlight the nebula's structural details.
Can I see this nebula with a standard telescope?
While some bright nebulas are visible with entry-level telescopes, capturing these stunning details usually requires deep-sky astrophotography equipment and long exposures.