An international team of astronomers using gravitational lensing observations from the NASA/ESA Hubble Space Telescope has taken an important step forward in the quest to solve the riddle of dark energy, a phenomenon which mysteriously appears to power the Universe’s accelerating expansion. Their results appear in the 20 August 2010 issue of the journal Science.
This video zooms in on the galaxy cluster Abell 1689 as seen by the Hubble Space Telescope. Overlaid in purple is the distribution of dark matter in the galaxy cluster. The distribution of normal and dark matter in the lens, the relative geometry of the lens and distant galaxies behind the cluster, and the effect of dark energy on the geometry of the universe, together explain the distorted shapes of some of the galaxies visible here. Astronomers are able to use this relationship to probe the properties of dark energy.
credit: NASA, ESA, ESO/Digitized Sky Survey 2, E. Jullo (JPL/LAM), P. Natarajan (Yale) and J-P. Kneib (LAM). Music: John Dyson (from the album “Moonwind”). Acknowledgment: Davide De Martin
You might also like
Hubble finds a new contender for galaxy distance record
Comments Off on Hubble finds a new contender for galaxy distance record
Editor Picks
Using Bias through Visuals in Political Advertising Matters Today
Comments Off on Using Bias through Visuals in Political Advertising Matters Today
Gaming as a Service? And a Gaming ETF (HERO) emerges
Comments Off on Gaming as a Service? And a Gaming ETF (HERO) emerges
Gender Neutral Emojis introduced in Apple iOS 13.2 to mixed reactions
Comments Off on Gender Neutral Emojis introduced in Apple iOS 13.2 to mixed reactions
Multigenerational Workforce Vital But Needs Attention, Support
Comments Off on Multigenerational Workforce Vital But Needs Attention, Support
24 Cognitive Biases that block Critical Thinking (Infographic)
Comments Off on 24 Cognitive Biases that block Critical Thinking (Infographic)
Incorrect. If you re-read carefully, you will see that “dark matter” and “dark energy” are both applied separately. See below:
“…dark energy, a phenomenon which mysteriously appears to power the Universe’s accelerating expansion.”
“Overlaid in purple is the distribution of dark matter in the galaxy cluster. The distribution of normal and dark matter in the lens… …and the effect of dark energy on the geometry of the universe, together explain the distorted shapes”
Read more carefully, DanielSan
You seem to be using the terms “dark matter” and “dark energy” interchangeably, which I believe is incorrect.