Results 111 to 120 of about 4,911 (246)
Capture of interstellar objects in the Solar system [PDF]
, 2020 Research on InterStellar Objects (ISOs) has been done for several decades, however, the first observed ISO in the Solar system was only recently discovered in 2017.
Petersson, Jonathan
core
Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS
The Astrophysical Journal LettersWe report initial observations aimed at the characterization of a third interstellar object. This object, 3I/ATLAS or C/2025 N1 (ATLAS), was discovered on 2025 July 1 UT and has an orbital eccentricity of e ∼ 6.1, perihelion of q ∼ 1.36 au, inclination
Darryl Z. Seligman +46 more
doaj +1 more source
Asymptotic giant branch-stars in the GLIMPSE database
Astronomy & AstrophysicsAims. In the preceding paper (paper I) we showed that the GLIMPSE database contains millions of asymptotic giant branch (AGB) stars. Their nature follows from two properties: the objects have the same color after correction for interstellar extinction ...
Habing H. J., Habing M. A.
doaj +1 more source
On the dynamical history of the interstellar object 'Oumuamua?
, 2017 1I/2017 U1 'Oumuamua is the first interstellar object recorded inside the Solar System. We try to answer the main question: where does it come from? To this aim we searched for close encounters between 'Oumuamua and all nearby stars with known kinematic data during their past motion.We had checked over 200 thousand stars and found just a handful of ...
Dybczyński, Piotr A. +1 more
openaire +2 more sources
Precovery Observations of 3I/ATLAS from TESS Suggest Possible Distant Activity
The Astrophysical Journal Letters3I/ATLAS is the third macroscopic interstellar object detected traversing the solar system. Since its initial discovery on UT 2025 July 1, hundreds of hours on a range of observational facilities have been dedicated to measuring the physical properties ...
Adina D. Feinstein +2 more
doaj +1 more source
A Fission-Powered Interstellar Precursor Mission [PDF]
, 2009 An 'interstellar precursor mission' lays the groundwork for eventual interstellar exploration by studying the interstellar medium and by stretching technologies that have potential application for eventual interstellar exploration.
Lenard, R.X.; Lipinski, R.J.; West, J.L.; Wright, S.A.
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The Implications of ‘Oumuamua on Panspermia
The Astrophysical JournalPanspermia is the hypothesis that life originated on Earth from the bombardment of foreign interstellar ejecta harboring polyextremophile microorganisms. Since the 2017 discovery of the interstellar body ‘Oumuamua (1I/2017 U1) by the Pan-STARRS telescope,
David Cao +2 more
doaj +1 more source
The Journey of Interstellar Dust [PDF]
, 2007 Interstellar dust particles undergo a complex journey in space. It commences with their formation in stellar outflows or outbursts, but may end in very different ways. Their fates range from sudden "death by destruction" promptly after their formation to
Dwek, Eliahu
core
Neural-Rendezvous: Provably Robust Guidance and Control to Encounter Interstellar Objects [PDF]
, 2022 Hiroyasu Tsukamoto +5 more
openalex +1 more source
Interstellar Comet 3I/ATLAS: Evidence for Galactic Cosmic-Ray Processing
The Astrophysical Journal LettersSpectral observations of 3I/ATLAS (C/2025 N1) with JWST/NIRSpec and SPHEREx reveal an extreme CO _2 enrichment (CO _2 /H _2 O = 7.6 ± 0.3) that is 4.5 σ above solar system comet trends and among the highest ever recorded.
Romain Maggiolo +4 more
doaj +1 more source