Cosmological Parameters

Hubble constant	H0	70 km/s/Mpc
Dark Energy (Cosmological Constant)	WL	0.70
Non-baryonic Cold Dark Matter	Wc	0.26
Baryons (ordinary atomic matter)	Wb	0.04
Hot Dark Matter (Neutrinos)	Wn	< 0.01
Radiation (Cosmic Microwave Background)	Wg	6 × 10-5

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Hubble diagrams

Hubble's original (1929) diagram

Hubble diagram of supernovae (Reiss et al. (2005))

2 of 4 Type Ia supernovae with distances calibrated by Cepheid variables

The resulting Hubble Diagram

The resulting Hubble constant

Geometry of the Universe

Mike Turner (2005) "Beyond Einstein" Powerpoint presentation

Geometry of an open universe

The Hubble diagram of distant supernovae show (1998) that the expansion of the Universe is accelerating(!)

Supernova Cosmology Project 1998

Saul Perlmutter et al. (1998)

SCP + Hi-Z SNS

Perlmutter & Schmidt (2003)

Riess et al (2004)

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Cosmic Microwave Background

COsmic Background Explorer (COBE) map (1993)

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COsmic Background Explorer (COBE) spectrum (1989)

The resulting CMB temperature (Fixen & Mather 2002)

Maps from balloon-borne instruments (2000/2001)

BOOMERAnG <	MAXIMA   CBI
DASI

WMAP Wilkinson Microwave Anisotropy Probe (2003)

WMAP total

WMAP including dipole

WMAP Wilkinson Microwave Anisotropy Probe (2006)

WMAP Polarization

WMAP Power Spectrum (2006)

The resulting curvature:

Dependence of CMB power on cosmological parameters (Hu & Dodelson 2002)

Size, density, and temperature of the Universe versus time