'Angular diameter distance' presentation slideshows

An Overview of Dark Energy

An Overview of Dark Energy. Rachel Bean Princeton University. The key dark energy questions. What is the underlying nature of dark energy? How can we reconstruct dark energy? What dark energy properties can we measure observationally?. The key dark energy questions.

598 views • 42 slides

Observational limits on dark energy

Observational limits on dark energy . Uros Seljak Zurich/ICTP/Princeton Florence, september 4, 2006. Contents of the universe (from current observations). Baryons (4%) Dark matter (23%) Dark energy: 73% Massive neutrinos: 0.1% Spatial curvature: very close to 0.

584 views • 41 slides

Observational limits on dark energy

Observational limits on dark energy . Uros Seljak Zurich/ICTP/Princeton Florence, september 4, 2006. Contents of the universe (from current observations). Baryons (4%) Dark matter (23%) Dark energy: 73% Massive neutrinos: 0.1% Spatial curvature: very close to 0.

550 views • 41 slides

Observational limits on dark energy

Observational limits on dark energy . Uros Seljak Zurich/ICTP/Princeton Florence, september 4, 2006. Contents of the universe (from current observations). Baryons (4%) Dark matter (23%) Dark energy: 73% Massive neutrinos: 0.1% Spatial curvature: very close to 0.

417 views • 41 slides

Lecture 1: Preliminaries and Cosmology in a Homogeneous Universe

471 views • 37 slides

21CMA

21CMA. 21 Centimeter Array a.k.a. PAST. Reionization. 21cm: hyperfine transition of neutral Hydrogen. 21CMA a.k.a. PAST. B asic ideas:. an experiment, not an observatory use cheap, off-the -shelf technology (i.e. TV+PC) simple design (looking at NCP)

396 views • 17 slides