1.   The lecturer at the planetarium enlightened us about the latest astronomical discoveries.

2.   And it is the thematic tapestry that links a whole series of recent astronomical discoveries involving various epochs of cosmic history.

3.   Astronomical discoveries often hinge on the analysis of wobbles, discrepancies and errors.

4.   A succession of major astronomical discoveries has revealed more and more that we inhabitants of Earth are not that special, that our planet may be one among many.

5.   The Hubble space telescope, its faulty lens fixed a year ago, has fastforwarded astronomical discoveries into commonplace events, leaving behind centuries of slowly evolved theories.