Abstract: For interferometric star trackers operating under broadband conditions, the zeroth-order diffraction from the Ronchi grating significantly degrades centroiding accuracy. To address this, we ...

Sigfredo Ceja Alvarez appears in court less than one year after he was accused of killing 'Parks and Recreation' actor ...

This time around, in a field that includes several former winners, he won't be the only big dude on the beach.