X-Ray Telescope tagged posts

Study using X-Ray Telescope indicates that Dark Energy is Uniformly Distributed in Space and Time

eROSITA X-Ray study indicates that dark energy is uniformly distributed in space and time
X-ray (over) and optical pseudo-color (below) images of three low mass clusters identified in the eFEDS survey data. The highest redshift cluster come from a time when the universe was approximately 10 billion years younger than today. The cluster galaxies in that case are clearly much redder than the galaxies in the other two clusters. Credit: eRosita

When Edwin Hubble observed distant galaxies in the 1920s, he made the groundbreaking discovery that the universe is expanding. It was not until 1998, however, that scientists observing Type Ia supernovae further discovered that the universe is not just expanding but has begun a phase of accelerating expansion. “To explain this acceleration, we need a source,” says Joseph Mohr, astrophysicist at LMU...

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