This well-established textbook gives a general but comprehensive introduction to positional astronomy. Originally based on the author's lecture courses at Cambridge University, it is intended ...

Welcome to the Department of Physics and Astronomy at the University of Delaware, where the pursuit of scientific discovery and innovation meets cutting-edge research and academic excellence. Our ...

Even if the stars within those boundaries change, the boundaries themselves do not. Credit: Astronomy: Roen Kelly Every astronomical object, regardless of its nature, now unequivocally belongs to ...

STEBBING'S “Navigation and Nautical Astronomy” is the most satisfactory ... has enabled him to produce a book that meets the practical and theoretical requirements of the modern navigator ...

Sep. 13, 2024 — Physicists propose that a mysterious force known as early dark energy could solve two of the biggest puzzles in cosmology and fill in some major gaps in our understanding of how ...

From a solar eclipse to a dolphin-like nebula, these winning shots by astrophotographers from around the world depict the ...

It was mere decades ago that the idea of space tourism — not just for astronauts and scientific research but for recreation — was the stuff of science fiction. Today, space travel for the ...

Cambridge University Press is a leading publisher of textbooks, handbooks and monographs that span all areas of physics and astronomy, from condensed matter physics to mathematical physics, and from ...

With the help of NASA's Hubble Space Telescope, an international team of researchers led by scientists in the Department of Astronomy at Stockholm University has found more black holes in the ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Astronomers have spotted the biggest pair of black hole jets ever seen, spanning 23 million light-years in total length. That's equivalent to lining up 140 Milky Way galaxies back to back. Using a ...