Periglacial Processes In Utopia Planitia, Evolution of Scalloped Terrains: New Insights from HiRISE Observations

Perils of a Restless Planet

Period - Flux Amplitude Relation for the OGLE Cepheids in the LMC and SMC

Period variations in pulsating X-ray sources. II - Torque variations and stellar response

Periodic and quiescent solar activity effects in the low ionosphere, using SAVNET data

Periodic bedrock ridges on Mars

Periodic Comet Showers, Mass Extinctions, and the Galaxy

Periodic cometary showers: Real or imaginary?

Periodic Extinction of Families and Genera

Periodic mass extinctions and the sun's oscillation about the galactic plane

Periodic universe and condensate of pseudo Goldstone field.

Periodic variations of the Earth rotation calculated with the PREM parameters.

Periodic waves in fiber Bragg gratings

Periodical changes of submarine fluid discharge from a deep seafloor, Suiyo Sea Mountain, Japan

Periodicities of hard x-ray burst during the last solar cycle

Periodicities of solar flare and its relations

Periodicity in the ln/1+z/ distribution of quasars

Periodogram analysis of sunspot numbers and the relation with solar activities

Periods of active permafrost layer formation during the geological history of Mars: Implications for circum-polar and mid-latitude surface processes

Peripatus in Australia