  The first intensive photometric time-series of a Delta Scuti star was
obtained from space. Theta2 Tau was monitored with the star camera on the
Wide-Field Infrared Explorer (WIRE) satellite. Twelve independent frequencies
were detected down to the 0.5 mmag amplitude level. Their reality was
investigated by searching for them using two different algorithms and by some
internal checks. All the frequencies are in the range 10.8-14.6 c\d. The
histogram of the frequency spacings shows that 81% are below 1.8 c\d; rotation
may thus play a role in the mode excitation. The fundamental radial mode is not
observed, although it is expected to occur in a region where the noise level is
very low (55 micromag). The rms residual is about two times lower than that
usually obtained from successful ground--based multisite campaigns. The
comparison of the results of previous campaigns with the new ones establishes
the amplitude variability of some modes.
