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An interstellar cloud is generally an accumulation of gas, plasma, and dust in our and other galaxies. But differently, an interstellar cloud is a denser-than-average region of the interstellar medium , the matter and radiation that exists in the space between the star systems in a galaxy.
They can change visibly over timescales of a few years as they move rapidly away from their parent star into the gas clouds of interstellar space (the interstellar medium or ISM). Hubble Space Telescope observations have revealed the complex evolution of HH objects over the period of a few years, as parts of the nebula fade while others ...
The Sun's location near the edge of the local interstellar cloud and Alpha Centauri about 1.3 pc away in the neighboring G-Cloud. The Sun is located 8,300 pc from the center of the galaxy on the inner edge of the Orion Arm within the diffuse Local Interstellar Cloud (LIC) of the Local Bubble.
An illustration depicts NASA's Voyager 1 spacecraft traveling through interstellar space, or the space between stars, which it entered in 2012. - NASA/JPL-Caltech
[f] [154] [155] Filling the space between the stars is a disk of gas and dust called the interstellar medium. This disk has at least a comparable extent in radius to the stars, [156] whereas the thickness of the gas layer ranges from hundreds of light-years for the colder gas to thousands of light-years for warmer gas. [157] [158]
The interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy. This matter includes gas in ionic, atomic, and molecular form, as well as dust and cosmic rays. It fills interstellar space and blends smoothly into the surrounding intergalactic space.
The James Webb Space Telescope's sightseeing tour just provided a fresh look at one of the most recognizable interstellar objects. Researchers have captured their most detailed image yet of the ...
An artist's concept of the GUSTO mission gondola carrying the telescope, cryocoolers, and solar panels. Mass is about 2 tons. GUSTO (Galactic / Extragalactic ULDB Spectroscopic Terahertz Observatory) is a high-altitude balloon mission that carries an infrared telescope to measure fine-structure line emission from the interstellar medium.