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astro-ph1994
An Optical Corrector Design That Allows a Fixed Telescope to Access a Large Region of the Sky
E. F. Borra, G. Moretto, M. Wang
We discuss a family of two-mirror correctors that can greatly extend the field accessible to a fixed telescope such as a liquid mirror telescope. The performance of the corrector i…
astro-ph1994
Liquid Mirrors: A Review
Ermanno F. Borra
The surface of a spinning liquid takes the shape of a paraboloid that can be used as a reflecting mirror. This very old and nearly forgotten concept has recently been revived and I…
astro-ph1994
Are BL Lacertae Objects Beamed QSO Remnants?
E. F. Borra
This paper considers the hypothesis that BL Lacertae objects (BLLs) are the beamed remnants of Quasi Stellar Objects. The hypothesis explains why BLLs do not undergo the strong evo…