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Pasadena, CA—Wolf-Rayet stars are very large and very hot. Astronomers have long wondered whether Wolf-Rayet stars are the progenitors of certain types of supernovae. New work from the Palomar Transie...
M-band Imaging of the HR 8799 Planetary System Using an Innovative LOCI-based Background Subtraction Technique
Planetary Using Innovative Background Subtraction Technique
2011/9/28
Multi-wavelength observations/spectroscopy of exoplanetary atmospheres are the basis of the emerging exciting field of comparative exoplanetology. The HR 8799 planetary system is an ideal laboratory t...
The MIDAS Experiment: A New Technique for the Detection of Extensive Air Showers
High Energy Astrophysical Phenomena (astro-ph.HE)
2011/1/4
Recent measurements suggest free electrons created in ultra-high energy cosmic ray extensive air showers (EAS) can interact with neutral air molecules producing Bremsstrahlung radiation in the microwa...
Markov Stochastic Technique to Determine Galactic Cosmic Ray Sources Distribution
Cosmic rays ISM galactic locations stochastic processes
2010/9/15
A new numerical model of particle propagation in the Galaxy has been developed, which allows the study of cosmic-ray production and propagation in 2D. The model has been used to solve cosmic ray diffu...
Extracting scientific results from robotic arm support operations：A technique for estimating the density and composition of rocks on Mars
rock pushing activities Mars density
2009/6/1
This contribution presents the unique technique of using rock pushing activities to estimate the densities of rocks remotely.