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Hace 5 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)
16 de abr. de 2024 · Walter Baade’s dogged curiosity helped unveil a bigger and older universe. By Steve Murray. Rubin’s Revolution The Rubin Observatory is set to bring astronomers a data deluge on everything from asteroids to dark energy. By Govert Schilling
Hace 5 días · 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.
Hace 4 días · 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.
14 de abr. de 2024 · Baade’s Window is a region of the Milky Way galaxy that is relatively free of interstellar dust, allowing for clear observations of the stars and other celestial objects beyond our galaxy. Named after the astronomer Walter Baade, who first identified this region in the 1940s, Baade’s Window has become a crucial area for ...
3 de may. de 2024 · It was most thoroughly studied by the German astronomer Walter Baade while using the great 100-inch Hooker reflector at Mt. Wilson Observatory in California while searching for the center of the Milky Way galaxy.
