Results 151 to 160 of about 586,778 (202)

Distinct stromal cell populations define the B-cell acute lymphoblastic leukemia microenvironment. [PDF]

open access: yesLeukemia
Ferrao Blanco MN   +4 more
europepmc   +1 more source

A brief visit from a red and extremely elongated interstellar asteroid. [PDF]

open access: yesNature, 2017
Meech KJ   +17 more
europepmc   +1 more source

Primordial black holes and their gravitational-wave signatures. [PDF]

open access: yesLiving Rev Relativ
Bagui E   +20 more
europepmc   +1 more source

Assessment of Atmospheric and Surface Energy Budgets Using Observation-Based Data Products. [PDF]

open access: yesSurv Geophys
Mayer M   +10 more
europepmc   +1 more source

Global impacts of an extreme solar particle event under different geomagnetic field strengths. [PDF]

open access: yesProc Natl Acad Sci U S A
Arsenović P   +14 more
europepmc   +1 more source

Red novae, their progenitors, and remnants. [PDF]

open access: yesAstron Astrophys Rev
Kamiński T, Blagorodnova N.
europepmc   +1 more source

An Oort Cloud Origin of the Halley-Type Comets [PDF]

open access: yesAstronomy and Astrophysics, 2014
The origin of the Halley-type comets (HTCs) is one of the last mysteries of the dynamical evolution of the Solar System. Prior investigation into their origin has focused on two source regions: the Oort cloud and the Scattered Disc. From the former it has been difficult to reproduce the non-isotropic, prograde skew in the inclination distribution of ...
Ramon Brasser, J -H Wang
exaly   +4 more sources

Oort Cloud Formation at Various Galactic Distances

open access: yesAstronomy and Astrophysics, 2010
In this study we present the results from numerical simulations of the formation of the Oort comet cloud where we positioned the Sun in various parts of the disc of the Galaxy, starting at 2 kpc up to 20 kpc from the Galactic centre. All simulations were
Ramon Brasser, Arika Higuchi, N Kaib
exaly   +2 more sources

The “Memory” of the Oort Cloud [PDF]

open access: yesAstronomy and Astrophysics, 2018
Aims. Our aim in this paper is to try to discover if we can find any record of the Oort cloud formation process in the orbital distribution of currently observable long-periodic comets. Methods. Long-term simulations of tens of millions of comets from two different kinds of proto-Oort clouds (isotropic and disk-like) were performed.
Marc Fouchard   +2 more
exaly   +3 more sources

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