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Hace 3 días · In 1943, Walter Baade was the first person to resolve stars in the central region of the Andromeda Galaxy. Baade identified two distinct populations of stars based on their metallicity, naming the young, high-velocity stars in the disk Type I and the older, red stars in the bulge Type II.
- 3.167° × 1°
- (1.5±0.5)×10¹² M☉
- ~1 trillion (10¹²)
7 de may. de 2024 · Asteroid 1036 Ganymed was discovered by Walter Baade on October 23, 1924. It is a large and irregularly shaped asteroid that belongs to the group of Near-Earth Objects (NEOs) and has a diameter of approximately 35 kilometers. Ganymed is the largest known NEO.
- 9.45
- 0.2926
3 de may. de 2024 · On a rare clear evening during the summer of 2022, I gazed at the clusters and stars through this window. I shall never forget the exquisite majesty of this distant region which, thanks to Walter Baade, allows me to peer toward the middle of the enormous Milky Way galaxy which is our home.
6 de may. de 2024 · Later observations by astronomer Walter Baade led him to realize that there were distinct "populations" for stars (Population I and Population II) in a galaxy. The same observations led him to discover that there are two types of Cepheid variable stars with different luminosities.
8 de may. de 2024 · Asteroid 1566 Icarus is a near-Earth asteroid discovered on June 27, 1949, by Walter Baade, an astronomer at the Palomar Observatory in California. The asteroid is named after the mythological figure Icarus, who flew too close to the sun and fell into the sea.
Hace 6 días · The German-American astronomer Walter Baade found that light from the jet was plane polarized, which suggests that the energy is generated by the acceleration of electrons moving at relativistic velocities in a magnetic field. The total energy of these electrons is estimated at 5.1 × 10 56 ergs (5.1 × 10 49 joules or 3.2 × 10 68 eV).
Hace 2 días · The idea of establishing a common large observatory that joined the European astronomers was born in the spring of 1953, in the mind of the renowned astronomer Walter Baade. This suggestion was then discussed, for the first time, by a group of astronomers at Leiden on June 21, 1953, after which they were invited to discuss it with ...
