and hence the distance to them in an expanding universe, in an observed volume of space. With such galactic distance measurements, it's actually possible to create a three-dimensional map of the ...
According to NASA's SPHEREx mission details, the observatory will survey the entire sky using near-infrared light. Its goals include exploring how galaxies evolved, understanding the structure of the ...
The Vera C. Rubin Observatory is set to revolutionize our understanding of the cosmos by detecting millions of exploding stars — Type Ia supernovae — over the next decade. These brilliant explosions ...