Popular Posts

• Spherical Astronomy

  This is an introductory textbook on spherical and positional astronomy. It is entirely suitable for use by students with no prior knowledge of classical astronomy. At the same time, it is sufficiently comprehensive to make it a useful background reference book for anyone engaged in practical astronomy. The first three chapters sketch essential background: mathematical [...]

• Within Astrology and Divination

  If you don’t know yet, Astrology was first recognized as a study than astronomy. In fact, the latter was just a separate noesis of astrology so that scientist can use the field later in a more integrated platform or through scientific preferences. Likewise, most astronomers are more known to be fanatics of celestial peculiarities that [...]

• When Delays Allow for Some Sightseeing

  Eighteen days had passed in the icy land of Antarctica, arriving at the airport according to the schedule have seemed to be the finest warm homecoming. There were four members of the expedition to the Antarctic returned home to receive a hero’s welcome after nearly three weeks to walk the bottom part of the Earth. [...]

• The Primordial Density Perturbation: Cosmology, Inflation and the Origin of Structure

  This graduate-level textbook gives a thorough account of theoretical cosmology and perturbations in the early Universe, describing their observational consequences and showing how to relate such observations to primordial physical processes, particularly cosmological inflation. With ambitious observational programs complementing ever-increasing sophistication in theoretical modeling, cosmological studies will remain at the cutting edge of astrophysical studies [...]

• The Mercury 13: The True Story of Thirteen Women and the Dream of Space Flight

  In 1961, just as NASA launched its first man into space, a group of women underwent secret testing in the hopes of becoming America’s first female astronauts. They passed the same battery of tests at the legendary Lovelace Foundation as did the Mercury 7 astronauts, but they were summarily dismissed by the boys’ club at [...]