In the last five years there has been cumulative evidence showing that massivegalaxies have dramatically grown in size since z ˜ 3. This result hasremained very...
Origin of Galactic Type-Ia supernovae: SN 1572 and SN 1006
We have been searching for surviving companions of progenitors of Galactic Type-Ia supernovae, in particular SN 1572 and SN 1006. These companion stars are...
Origin of the Honolulu Volcanics Series (Oahu, Hawaii) From High Precision Pb Isotope Data
The origin and sources of rejuvenated volcanism in Hawaii has been long debated with the depleted isotopic features commonly attributed to assimilation of the...
Origin Of The Near-earth Asteroid Phaethon And The Geminids Meteor Shower
Asteroid (3200) Phaethon is a remarkable Near Earth Asteroid (NEA). It was the first asteroid associated with a meteor shower, namely the Geminid stream1...
Origin of the Proper Motions of Emerging Bipolar Magnetic Regions
We have performed numerical simulations of the rise of magnetic flux tubes through the convection zone. We find that the observed proper motions of pores and...