Results 211 to 220 of about 6,211,798 (244)

Ultrahigh-energy gamma-ray emission associated with black hole-jet systems. [PDF]

open access: yesNatl Sci Rev
Cao Z   +316 more
europepmc   +1 more source

Quasi-periodic X-ray eruptions years after a nearby tidal disruption event. [PDF]

open access: yesNature
Nicholl M   +63 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

Radiation-Resistant Aluminum Alloy for Space Missions in the Extreme Environment of the Solar System. [PDF]

open access: yesAdv Mater
Willenshofer PD   +9 more
europepmc   +1 more source

Precise Masses Reveal that TOI-700 c is Low Density and TOI-700 d is Rocky

open access: yes
Gilbert E   +35 more
europepmc   +1 more source

An Abrupt Change in the Disk Fraction of Free-Floating Planets at the Deuterium-Burning Ignition Limit

open access: yes
Rodrigues T   +11 more
europepmc   +1 more source

Optimizing photosynthetic light-harvesting under stars: Generalized thermodynamic models

open access: yes
Chitnavis S   +6 more
europepmc   +1 more source

Frequency distribution of x-ray flares for young stellar objects in the region of ρ Oph

Astrophysics, 2012
Methods for determining the frequency distribution function of optical flares have been developed and successfully applied in statistical studies of flare stars. X-ray observations of flare stars provide a basis for extending the use of these methods to statistical studies of X-ray flares of young stellar objects. This article gives a brief description
A A Akopian
exaly   +3 more sources

Stellar X-Ray Flares

, 1996
What is the importance of stellar X-ray flares to astrophysics, or even more, to the world at large? In the case of the Sun, changes in solar activity at the two temporal extremes can have quite significant consequences. Long-term changes in solar activity, such as the Maunder Minimum, can apparently lead to non-negligible alterations of the earth’s ...
B. Haisch
semanticscholar   +2 more sources

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