• 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...
    89 KB (8,249 words) - 17:57, 2 August 2024
  • 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 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 (7,343 words) - 22:10, 1 August 2024
  • Thumbnail for Astrochemistry
    first observed organic, polyatomic molecule in interstellar space The discovery of interstellar formaldehyde – and later, other molecules with potential...
    39 KB (4,236 words) - 19:55, 19 January 2024
  • Thumbnail for Interstellar cloud
    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...
    7 KB (800 words) - 08:36, 30 July 2024
  • Thumbnail for List of interstellar and circumstellar molecules
    Snyder, Lewis E.; et al. (1999), "Microwave Detection of Interstellar Formaldehyde", Physical Review Letters, 61 (2): 77–115, Bibcode:1969PhRvL....
    141 KB (9,341 words) - 07:42, 18 July 2024
  • 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...
    136 KB (13,431 words) - 12:02, 17 August 2024
  • Thumbnail for Cosmic dust
    further distinguished by its astronomical location: intergalactic dust, interstellar dust, interplanetary dust (as in the zodiacal cloud), and circumplanetary...
    52 KB (5,828 words) - 19:20, 18 August 2024
  • 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...
    34 KB (3,787 words) - 12:36, 1 August 2024
  • 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 (760 words) - 09:11, 9 June 2023
  • 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 (3,823 words) - 18:08, 16 July 2024
  • 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
  • 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 (13,830 words) - 07:21, 20 August 2024
  • 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...
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  • 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 (5,310 words) - 23:22, 18 August 2024
  • 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...
    137 KB (14,853 words) - 07:11, 18 August 2024
  • or formaldehyde cyanohydrin, is the organic compound with the formula HOCH2CN. It is the simplest cyanohydrin and it is derived from formaldehyde. It...
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  • decomposition of dimethyl disulfide. The molecule has been observed in the interstellar medium and has attracted much attention for its fundamental nature. The...
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  • Thumbnail for Interplanetary medium
    comets, move. The IPM stops at the heliopause, outside of which the interstellar medium begins. Before 1950, interplanetary space was widely considered...
    14 KB (1,502 words) - 08:55, 18 April 2024
  • University University of California, Berkeley Thesis Cooling of interstellar formaldehyde by collison with helium : an accurate quantum mechanical calculation...
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  • 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 (2,741 words) - 07:33, 14 June 2024
  • based on the molecule formaldehyde (H2CO). In 1974 Wickramasinghe first proposed the hypothesis that some dust in interstellar space was largely organic...
    8 KB (825 words) - 16:25, 19 July 2024
  • 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...
    62 KB (6,567 words) - 16:13, 20 July 2024
  • 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 (1,664 words) - 06:48, 5 November 2023
  • Thumbnail for Abiogenesis
    reaction created sugars including tetroses, pentoses, and hexoses when formaldehyde is heated under basic conditions with divalent metal ions like calcium...
    203 KB (21,024 words) - 12:11, 25 August 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...
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  • component elements. Formaldehyde and acetic acid have the same empirical formula, CH2O. This is also the molecular formula for formaldehyde, but acetic acid...
    24 KB (3,205 words) - 14:13, 13 July 2024
  • Thumbnail for Silicon monoxide
    considered as an inhomogeneous mixture of amorphous SiO2 and amorphous Si. Interstellar SiO was first reported in 1971 after detection in the giant molecular...
    14 KB (1,757 words) - 12:03, 7 January 2024
  • Thumbnail for Organic compound
    detected in outer space Molecules Deuterated molecules Ammonia Ammonium ion Formaldehyde Formyl radical Heavy water Hydrogen cyanide Hydrogen deuteride Hydrogen...
    21 KB (2,288 words) - 21:04, 24 June 2024