• Interstellar formaldehyde (a topic relevant to astrochemistry) was first discovered in 1969 by L. Snyder et al. using the National Radio Astronomy Observatory...
    11 KB (1,425 words) - 20:26, 12 June 2024
  • Thumbnail for Formaldehyde
    regions of the galaxy. Because of the widespread interest in interstellar formaldehyde, it has been extensively studied, yielding new extragalactic sources...
    90 KB (8,501 words) - 12:26, 23 April 2025
  • Thumbnail for Astrochemistry
    first observed organic, polyatomic molecule in interstellar space The discovery of interstellar formaldehyde – and later, other molecules with potential...
    38 KB (4,236 words) - 13:24, 16 May 2025
  • Zuckerman, and Patrick Palmer find interstellar formaldehyde 1970 — Arno Penzias and Robert Wilson find interstellar carbon monoxide 1970 — George Carruthers...
    4 KB (391 words) - 18:59, 13 August 2023
  • Thumbnail for Outer space
    galaxy. Interstellar space contains an interstellar medium of sparse matter and radiation. The boundary between an astrosphere and interstellar space is...
    148 KB (14,510 words) - 16:24, 5 May 2025
  • Thumbnail for Astrophysical maser
    Zuckerman, B.; Palmer, Patrick (1969-03-31). "Microwave Detection of Interstellar Formaldehyde". Physical Review Letters. 22 (13): 679–681. Bibcode:1969PhRvL...
    31 KB (3,815 words) - 21:14, 9 March 2025
  • Thumbnail for Interstellar medium
    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...
    60 KB (7,341 words) - 19:05, 15 March 2025
  • Thumbnail for List of interstellar and circumstellar molecules
    3847/2041-8213/ad3336. Snyder, Lewis E.; et al. (1999), "Microwave Detection of Interstellar Formaldehyde", Physical Review Letters, 61 (2): 77–115, Bibcode:1969PhRvL....
    155 KB (9,578 words) - 16:07, 15 May 2025
  • Thumbnail for Molecular cloud
    inversion line radiation in interstellar space. A year later, Lewis Snyder and his colleagues found interstellar formaldehyde. Also in the same year George...
    33 KB (3,752 words) - 11:47, 4 April 2025
  • Thumbnail for Interstellar cloud
    An interstellar cloud is an accumulation of gas, plasma, and cosmic dust in galaxies. Put differently, an interstellar cloud is a denser-than-average...
    7 KB (794 words) - 03:10, 9 May 2025
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    further distinguished by its astronomical location: intergalactic dust, interstellar dust, interplanetary dust (as in the zodiacal cloud), and circumplanetary...
    52 KB (5,857 words) - 03:44, 12 May 2025
  • Thumbnail for Dark nebula
    A dark nebula or absorption nebula is a type of interstellar cloud, particularly molecular clouds, that is so dense that it obscures the visible wavelengths...
    4 KB (392 words) - 23:37, 8 May 2025
  • Interstellar ice consists of grains of volatiles in the ice phase that form in the interstellar medium. Ice and dust grains form the primary material...
    7 KB (761 words) - 05:31, 18 April 2025
  • Thumbnail for Timeline of United States discoveries
    first used as a chiral derivitizing agent. 1969 Interstellar formaldehyde Interstellar formaldehyde was first discovered in 1969 by Lewis Snyder, David...
    112 KB (13,854 words) - 05:03, 22 April 2025
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    levels. In order to study gas phase interstellar chemistry, it is convenient to distinguish two types of interstellar clouds: diffuse clouds, with T=30–100...
    30 KB (3,023 words) - 17:31, 24 April 2025
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    intelligence, to search radio frequencies of the electromagnetic spectrum for interstellar communications transmitted by extraterrestrial life outside the Solar...
    112 KB (11,455 words) - 12:29, 29 April 2025
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    Imidogen (redirect from NH (interstellar))
    OH, H, CN+, CH, N, NH+ 2, NH+ for the interstellar medium. NH has been reported in the diffuse interstellar medium but not in dense molecular clouds...
    11 KB (1,110 words) - 15:37, 12 January 2024
  • Thumbnail for Methanol
    annually, it is used as a precursor to other commodity chemicals, including formaldehyde, acetic acid, methyl tert-butyl ether, methyl benzoate, anisole, peroxyacids...
    55 KB (5,412 words) - 18:58, 9 April 2025
  • Thumbnail for PAH world hypothesis
    demonstrated the synthesis of organic compounds, such as amino acids, formaldehyde and sugars, from the original inorganic precursors the researchers presumed...
    16 KB (1,634 words) - 17:54, 30 October 2024
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    reaction created sugars including tetroses, pentoses, and hexoses when formaldehyde is heated under basic conditions with divalent metal ions like calcium...
    208 KB (21,611 words) - 20:15, 17 May 2025
  • Thumbnail for Acetic acid
    than 95%. The major side-products are ethyl acetate, formic acid, and formaldehyde, all of which have lower boiling points than acetic acid and are readily...
    63 KB (6,639 words) - 16:44, 16 May 2025
  • Thumbnail for Diffuse interstellar bands
    Diffuse interstellar bands (DIBs) are absorption features seen in the spectra of astronomical objects in the Milky Way and other galaxies. They are caused...
    18 KB (2,096 words) - 13:24, 17 August 2024
  • decomposition of dimethyl disulfide. The molecule has been observed in the interstellar medium and has attracted much attention for its fundamental nature. The...
    3 KB (256 words) - 11:05, 30 April 2025
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    ethylene oxide) to be detected in space. Its stability in the (dilute) interstellar medium shows that its tautomerization does not happen unimolecularly...
    9 KB (918 words) - 15:19, 8 January 2025
  • Thumbnail for Ammonia
    many chemicals. Ammonia occurs in nature and has been detected in the interstellar medium. In many countries, it is classified as an extremely hazardous...
    140 KB (14,978 words) - 03:38, 5 May 2025
  • Thumbnail for Trihydrogen cation
    the universe. It is stable in the interstellar medium (ISM) due to the low temperature and low density of interstellar space. The role that H+3 plays in...
    23 KB (2,728 words) - 17:46, 16 May 2025
  • Thumbnail for Spectroscopy
    detected in outer space Molecules Deuterated molecules Ammonia Ammonium ion Formaldehyde Formyl radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen...
    44 KB (4,768 words) - 17:47, 7 April 2025
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    aromatic hydrocarbons (PAHs), may have been formed in red giant stars or in interstellar dust and gas clouds, according to the scientists. In 2018, researchers...
    94 KB (10,989 words) - 01:04, 18 May 2025
  • Thumbnail for Carbon monophosphide
    detected in outer space Molecules Deuterated molecules Ammonia Ammonium ion Formaldehyde Formyl radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen...
    2 KB (101 words) - 14:10, 18 February 2024
  • Thumbnail for Propionaldehyde
    trimethylolethane (CH3C(CH2OH)3) through a condensation reaction with formaldehyde. This triol is an important intermediate in the production of alkyd resins...
    10 KB (752 words) - 02:10, 15 March 2025