Lectures related to Celestial equator

Covers gnomonics, the measurement of time using shadows and the relationship with latitude and solar time.

Explores sky surveys in the radio universe, covering observations, coordinate systems, all-sky surveys, and mapping galaxies.

Explores UV, X-ray, and gamma-ray telescopes, their observations, and coded mask detectors.

Explores the historical development of celestial geometry and its impact on climate variations and astronomical observations.

Compares the geocentric and heliocentric models of the universe proposed by Ptolemy and Copernicus.

Covers point mass, moments of inertia, axis changes, mass distribution, and movement of grinding wheels.

Explores gnomonics, shadow measurement for time, sundials, and celestial spheres.

Covers motion in the plane, cable mass, wrapping, apparent diameters of celestial bodies, and solar eclipse phenomena.

Explores the calculation of infinitesimal displacements on Earth's surface using geomatics elements and spherical coordinates.

Covers the measurement of radiation in astrophysics, including optical filters and analysis of light.

Explains the principles of tidal forces and their relation to Kepler's laws.

Explores the significance of radio observations in understanding celestial phenomena.

Explores Jeans' radius and mass, free-fall time, and gravitational contraction in astrophysics.

Explores the transition from epicyclic curves to Kepler's ellipses and the Copernican revolution in astronomy.

Covers the basics of astrophysics, including the structure of the universe and key research concepts.

Explains Kepler's laws and Newton's hypotheses to replicate an isochronous solar system.

Delves into physical concepts in astrophysics, linking theory with observations.

Explores radio astronomy, revealing the hidden Universe through unique observations and upcoming projects.

Covers the fundamental concepts of physics related to the motion of objects in a plane.

Covers the Virial Theorem in astrophysics and the calculation of potential energy for spheres.