Results 101 to 110 of about 1,548 (142)

Gas detection-assisted deep-space and deep-sea exploration. [PDF]

open access: yesInnovation (Camb)
Wang Q, Cao N, Hu M, Li X, Kan R.
europepmc   +1 more source

Spectroscopic insights into the near-earth didymos-dimorphos binary system following the double asteroid redirection test (DART) mission impact. [PDF]

open access: yesNat Commun
Lazzarin M   +21 more
europepmc   +1 more source

Unifying frequency metrology across microwave, optical, and free-electron domains. [PDF]

open access: yesNat Commun
Yang Y   +8 more
europepmc   +1 more source

Reflection grating fabrication for the Rockets for Extended-source X-ray Spectroscopy. [PDF]

open access: yesExp Astron (Dordr)
Miles DM   +6 more
europepmc   +1 more source

Astronomical spectroscopy

Resonance, 1998
The spectrum of light emitted by a star holds deep secrets about it. In particular it gives the temperature of a star. It can also reveal the abundances of elements and whether they are in atomic or ionised states. This part of the series dwells upon some of the riddles associated with stellar spectra and their implications.
openaire   +2 more sources

Astronomical Fourier Transform Spectroscopy Revisited

Annual Review of Astronomy and Astrophysics, 1984
The Fourier transform spectrometer (FTS) has joined the ranks of a small number of general purpose, high-performance spectroscopic instruments now available to astronomers. As with any technique, the FTS has advantages and disadvantages in comparison with other current or potential experimental methods.
S. T. Ridgway, J. W. Brault
openaire   +2 more sources

Spectroscopy for Amateur Astronomers

2017
This accessible guide presents the astrophysical concepts behind astronomical spectroscopy, covering both the theory and the practical elements of recording, processing, analysing and interpreting your spectra. It covers astronomical objects, such as stars, planets, nebulae, novae, supernovae, and events such as eclipses and comet passages.
Marc F. M. Trypsteen, Richard Walker
openaire   +1 more source

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