1. Mariska Kriek
UC Berkeley
Growing Galaxies

2. Our Milky Way
Credit: R. Hurt (SSC)

3. Our Milky Way

4. Andromeda

5. M87

6. Our neighbors

8. Redder / older

9. Rounder

10. Heavier

11. How did elliptical and spiral galaxies form?
Are they connected?

12. Lifetime
80 years
5,000,000,000 years

13. Looking back in time
Sun
Closest star
Andromeda
2.4 million
light-years
4 light-years
8 light-minutes
Cosmic microwave
background
13.7 billion light-years

14. The deepest view on the Universe

15. “Elliptical” galaxies in the early Universe

16. Comparison to the Milky Way

17. The night sky when you live in such a
galaxy

18. Increase in size
Credit: K. Glazebrook

19. How do distant compact galaxies grow in
size?

20. Credit: A. Kravtsov

21. Increase in size
Credit: K. Glazebrook

22. But what about the connection between
the spirals and ellipticals

23. “Disk” galaxies in the early universe
Credit: G. Barro (CANDELS)

24. Metamorphosis?
?

25. Credit: Phil Hopkins