Results 61 to 70 of about 17,922,433 (189)

Habitable Zone Lifetime of Exoplanets around Main Sequence Stars [PDF]

open access: yes, 2013
Funding: Dean's Scholarship at the University of East Anglia.The potential habitability of newly discovered exoplanets is initially assessed by determining whether their orbits fall within the circumstellar habitable zone of their star.
Claire, M.   +3 more
core   +1 more source

Soot Planets Instead of Water Worlds

open access: yesThe Astrophysical Journal Letters
Some low-density exoplanets are thought to be water-rich worlds that formed beyond the snow line of their protoplanetary disk, possibly accreting coequal portions of rock and water.
Jie Li   +5 more
doaj   +1 more source

Modified model of Newtonian gravitation.

open access: yesТонкие химические технологии, 2011
Within the limits of the classical mechanics for planets of the Solar system a new form of gravitational potential is suggested. The following effects are considered: perihelion advance of the planets, deviation of light beams in the field of the Sun ...
E. Kh. Nasretdinova, E. S. Savin
doaj  

Solar System Formation in the Context of Extra-Solar Planets

open access: yes, 2018
Exoplanet surveys have confirmed one of humanity's (and all teenagers') worst fears: we are weird. If our Solar System were observed with present-day Earth technology -- to put our system and exoplanets on the same footing -- Jupiter is the only planet that would be detectable. The statistics of exo-Jupiters indicate that the Solar System is unusual at
Raymond, Sean N.   +2 more
openaire   +3 more sources

Observations of Uranus at High Phase Angle as Seen by New Horizons

open access: yesThe Planetary Science Journal
We present flux measurements of Uranus observed at phase angles of 43.°9, 44.°0, and 52.°4 by the Multispectral Visible Imaging Camera on the New Horizons spacecraft during 2023, 2010, and 2019, respectively.
Samantha N. Hasler   +16 more
doaj   +1 more source

Solar System: didactic material in Virtual Reality and Augmented Reality

open access: yes, 2019
The planets of Solar System can be viewed in AR with the indicated markers, and through the links created on the markers, the planets can be seen in VR.
Paulo Henrique Siqueira
core   +1 more source

The HARPS search for southern extra-solar planets. XVI. HD45364, a pair of planets in a 3:2 mean motion resonance [PDF]

open access: yes, 2009
International audiencePrecise radial-velocity measurements with the HARPS spectrograph reveal the presence of two planets orbiting the solar-type star HD 45364. The companion masses are M sin i = 0.187 MJup and 0.658 MJup, with semi-major axes of AU and
Bertaux, J.-L.   +24 more
core   +1 more source

PROCESS OF PLANETS’ MAGNETIC FIELDS FORMATION

open access: yesElectrical engineering & Electromechanics, 2013
Heated melt of the cores of the Sun and the planets is the basis of their permanent magnetic fields that, in interaction with the large-scale magnetic field of the Galaxy, condition on the action of their dynamo mechanisms which, on the basis of the ...
E.V. Savich
doaj  

Planets Around Solar Twins/Analogs (PASTA). I. High-precision Stellar Chemical Abundances for 17 Planet-hosting Stars and the Condensation Temperature Trend

open access: yesThe Astrophysical Journal
The Sun is depleted in refractory elements compared to nearby solar twins, which may be linked to the formation of giant or terrestrial planets. Here we present high-resolution, high signal-to-noise spectroscopic data for 17 solar-like stars hosting ...
Qinghui Sun   +32 more
doaj   +1 more source

Solar System Physics for Exoplanet Research

open access: yes, 2020
Over the past three decades, we have witnessed one of the great revolutions in our understanding of the cosmos — the dawn of the Exoplanet Era. Where once we knew of just one planetary system (the solar system), we now know of thousands, with new systems
Wittenmyer, R.   +15 more
core   +1 more source

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