On Monday June 17 in the evening and sheltered from the wind and rain, Patrick Martinez completed his cycle of conferences on the Universe.
He recalled its components: planets, asteroids, comets, stars (including red giants, supernovas and Cephoids, which by their luminosity or their oscillations help to measure distances) and finally galaxies, the closest to ours , M 31 or Andromeda located 2 million light years away. Then he talked about using wavelengths to measure speeds. Current data shows that the Universe is expanding.
We can go back a few seconds to the Big Bang, 14 billion years ago, in particular thanks to fossil radiation and the light scattered by free electrons.
Quasars, for their part, very luminous gaseous disks at the edges of black holes, continue to question scientists.
We are still far from before Big Bang and we realize that the principles of Relativity have their limits.
The following Saturday, June 22, the ASCV organized an escape to Bélesta-en-Lauragais, whose sky is much less polluted at night than in town, to visit the observatory created by Adagio, the association for Amateur development of a large observation instrument.
The telescope it houses on the 2nd floor measures 82 cm in diameter, is insulated from heat and has its own foundations.
The motorization and synchronization of the dome are in progress. On the first floor, the work room and its computers. Adagio works with the Astronomical Society of France and the Fonsegrives Astronomy Club.
He already has the discovery of two asteroids to his credit.
