Ganymede’s atmosphere is produced by charged particle sputtering and sublimation of its icy surface. Previous far-ultraviolet observations of the O i 1,356 Å and O i 1,304 Å oxygen emissions were used to infer sputtered molecular oxyge
telescope and a cosmic magnifying glass effect, astronomers have put together one of the most detailed maps yet of dark matter in a giant galaxy cluster. dark matter is the stubborn, invisible stuff that makes up nearly a quarter of the mass and energy of the universe, but refuses to ...
However, there have been opinions that the Hubble tension points to something missing from our understanding of the cosmos that might require an adjustment of the standard cosmological model, also known as “ΛCDM”: cold dark matter plus constant dark energy Λ. The scientific importance of ...
However, there have been opinions that the Hubble tension points to something missing from our understanding of the cosmos that might require an adjustment of the standard cosmological model, also known as “ΛCDM”: cold dark matter plus constant dark energy Λ. The scientific importance of ...