ILOA Galaxy Forum USA 2013 - Mariska Kriek

Mariska KriekUC Berkeley

Growing Galaxies

Our Milky Way

Credit: R. Hurt (SSC)

Our Milky Way

Andromeda

M87

Our neighbors

Redder / older

Rounder

Heavier

How did elliptical and spiral galaxies form?

Are they connected?

Lifetime

80 years

5,000,000,000 years

Looking back in timeSun

Closest star

Andromeda

2.4 million light-years

4 light-years

8 light-minutes

Cosmic microwave background

13.7 billion light-years

The deepest view on the Universe

“Elliptical” galaxies in the early Universe

Comparison to the Milky Way

The night sky when you live in such a galaxy

Increase in size

Credit: K. Glazebrook

How do distant compact galaxies grow in size?

Credit: A. Kravtsov

Increase in size

Credit: K. Glazebrook

But what about the connection between the spirals and ellipticals

“Disk” galaxies in the early universe

Credit: G. Barro (CANDELS)

Metamorphosis?

?

Credit: Phil Hopkins