... Daniel Price . "Rings and no spirals - planet formation in action?" ... disc, revealed a striking series of concentric rings but oddly, no spirals, as one ... In this talk I ll show how the rings in HL Tau can be beautifully and convincingly ...
... There was a narrow ring of material (+ two additional fainter rings we will ignore ... position of the ring is measured by , an angle in the plane of the ring, which is at ...
... Description: Newtonian platform has collapsed, gears for platform rest on the dome track . File name: KR74a.jpg . ... are on the remains of the observing carriage Newtonian platform has collapsed, gears for platform rest on the dome track ...
... Trees on the rest of the ANU block took 6 months longer to clear. Suddenly, everything looked closer. The windrows were burnt up to two years later. ...
... An additional # force is applied which simulates an equal density distributed over the # rest of the universe outside this initial sphere. def randomdirection(): # Generates random direction on sky. ...
... 1st column is the rest wavelength in Angstroms, 2nd column is the flux, 3rd is the error estimate, 4th the number of spectra contributing at that wavelength, 5th-7th the mean, minimum and maximum redshifts of the contributing spectra. ...