Stellar spectral types originally followed alphabetical order. But as astronomers observed more stars and obtained more detailed spectra, they consolidated some categories and reordered the remaining ...
Observations of nearby red dwarf stars reveal rare carbon and oxygen isotopes, offering direct evidence of stellar nucleosynthesis and the chemical evolution of the Milky Way.
"It is exciting to think that Little Red Dots may represent the first direct observational evidence of the birth of the most ...
Using the James Webb Space Telescope (JWST), an international team of astronomers has discovered a new Type II supernova. The ...
Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive ...
What is the origin of the letters used in star classification? Why didn't astronomers use ABCD? J. Haldiman Chicago, Illinois Stellar spectral types originally ...
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How to make a super-Earth: The universe's most common planets are whittled down by stellar radiation
The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...
The sheer scale of Carrazco-Gaxiola’s survey, titled “An All-Sky Spectroscopic Reconnaissance of More Than 2,100 K Dwarfs Within 40 Parsecs Using High-Resolution Spectra,” is what sets it apart.
A mysterious bar-shaped cloud of iron has been discovered inside the iconic Ring Nebula by a European team led by astronomers ...
An extremely early Type II supernova explosion, named after the Titan goddess of dawn in Greek mythology, occurred just 1 ...
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