question archive Why is it important that the supernovae being observed, which led to the idea of dark energy, are high z (remember z is another name for redshift) supernovae? High z supernovae have light redshifted enough to see in the visible spectrum with our telescopes
Why is it important that the supernovae being observed, which led to the idea of dark energy, are high z (remember z is another name for redshift) supernovae? High z supernovae have light redshifted enough to see in the visible spectrum with our telescopes
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Why is it important that the supernovae being observed, which led to the idea of dark energy, are high z (remember z is another name for redshift) supernovae?
High z supernovae have light redshifted enough to see in the visible spectrum with our telescopes.
High z supernovae are always paired with Cepheid star systems, so we can calculate their distances.
High z supernovae are brighter than regular supernovae.
High z means that the supernovae are far enough away for us to detect changes in the expansion rate.
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