Mergers of Galaxies

Strange objects

  NGC 4038/4039, the Antennae Galaxies

  NGC_4038/39: VLT view of the center
  Figure caption

  The Mice

  The Mice: Full resolution (7.9 MB)
  Figure caption

  Tadpole galaxy

  Full resolution (9.5 MB)
  Figure caption

  A gallery of tadpole galaxies in the HUDF

  Tadpole gallery: full resolution (2 MB)
  Locate the Tadpole galaxies in the HUDF
  Figure caption

Galaxies clearly in interaction

 NGC 2207 and IC 2163

  NGC 2207 and IC 2163: Full resolution
  Figure caption

 Spiral merger and boxy galaxy

  Figure caption

  M51, Whirlpool galaxy

  M51: Full resolution
  Figure caption

  NGC 6872 and IC 4970

  Figure caption

 Interacting system NGC 6745

  Figure caption

 Stephans quintet (HST)

  Stephans quintet: Full resolution (ground-based)
  Figure caption

Stellar tidal streams as signs of galaxy cannibalism

  Halo of M63 (NGC 5055)

  Negative image overimposed
  Figure caption

  NGC 4651, the Umbrella galaxy

  Simulated path of progenitor satellite projected onto image
  Figure caption

  The Ghost of a Dwarf Galaxy in the Nearby Spiral Galaxy NGC 5907

  N-body simulation
  Figure caption

Computer N-body Simulation of Galaxy Collision

  Early N-body simulation of the
  mice galaxies (A. Toomre 1972)

  Figure caption

  N-body simulation of the mice galaxies

  Movie caption (1:16)

  A model for "The mice", by J. Barnes

  Movie caption


   Figure caption

   Movie caption

  How to create galaxy "antennae"
  or filaments (A. Toomre 1972)

  Figure caption

  The Antennae Galaxies,
  NGC 4038/4039 (ground-based view)

  Figure caption

  Spiral Metamorphosis (J. Dubinski):
  Merger of our Galaxy with Andromeda

  Movie caption (6:24)

  Merger of our Galaxy with Andromeda:
  the view from our Sun

  Movie caption (6:43)

Galaxy interactions as seen in neutral Hydrogen (HI)

  M51: stellar light and gas density
  (Neutral Hydrogen)

  Figure caption

For other examples, visit
of interacting galaxies.

(Credit: John Hibbard, NRAO)

background photo: The Tadpole Galaxy UGC 10214
(Credit: NASA, H. Ford (JHU), G. Illingworth (UCSC/LO), M.Clampin (STScI), G. Hartig (STScI), the ACS Science Team, and ESA)