An overview of the Chandra mission and goals, Chandra's namesake, top 10 facts.
Classroom activities, printable materials, interactive games & more.
Overview of X-ray Astronomy and X-ray sources: black holes to galaxy clusters.
All Chandra images released to the public listed by date & by category
Current Chandra press releases, status reports, interviews & biographies.
A collection of multimedia, illustrations & animations, a glossary, FAQ & more.
A collection of illustrations, animations and video.
Chandra discoveries in an audio/video format.
2000 Chandra Images With Scale Bars

Quick links to Chandra images with scale bar information, available in jpeg, tiff and ps format.

Scale Bars: '09 | '08 |'07 | '06 | '05 | '04 | '03 | '02 | '01 | '00 | '99
IC 443 IC 443
  Jpeg | Tiff | PS | [Photo Album]

Abell 1795 Abell 1795
  Jpeg | Tiff | PS | [Photo Album]

Orion Trapezium Orion Trapezium
  Jpeg | Tiff | PS | [Photo Album]

Cygnus A Cygnus A
  Jpeg | Tiff | PS | [Photo Album]

3C273 3C273
  Jpeg | Tiff | PS | [Photo Album]

GRB 991216 GRB 991216
  Jpeg | Tiff | PS | [Photo Album]

Zeta Orionis Zeta Orionis
  Jpeg | Tiff | PS | [Photo Album]

Sirius A and B Sirius A and B
  Jpeg | Tiff | PS | [Photo Album]

M82 Black Hole M82 Black Hole
  Jpeg | Tiff | PS | [Photo Album]

Antennae Antennae
  Jpeg | Tiff | PS | [Photo Album]

Comet C/1999 S4 Comet C/1999 S4
  Jpeg | Tiff | PS | [Photo Album]

Brown Dwarf LP 944-20 Brown Dwarf LP 944-20
  Jpeg | Tiff | PS | [Photo Album]

Cassiopeia A Cassiopeia A
  Jpeg | Tiff | PS | [Photo Album]

Vela Pulsar Vela Pulsar
  Jpeg | Tiff | PS | [Photo Album]

Pictor A Pictor A
  Jpeg | Tiff | PS | [Photo Album]

BD+30-3639 BD+30-3639
  Jpeg | Tiff | PS | [Photo Album]

NGC 4151 NGC 4151
  Jpeg | Tiff | PS | [Photo Album]

Perseus A Perseus A
  Jpeg | Tiff | PS | [Photo Album]

HDFN Deep Field HDFN Deep Field
  Jpeg | Tiff | PS | [Photo Album]

Supernova 1987A Supernova 1987A
  Jpeg | Tiff | PS | [Photo Album]

Cygnus X-3 Cygnus X-3
  Jpeg | Tiff | PS | [Photo Album]

E0102-72.3 E0102-72.3
  Jpeg | Tiff | PS | [Photo Album]

CXO 0312 Fiore P3 CXO 0312 Fiore P3
  Jpeg | Tiff | PS | [Photo Album]

Type 2 Quasar Type 2 Quasar
  Jpeg | Tiff | PS | [Photo Album]

Abell 2142 Abell 2142
  Jpeg | Tiff | PS | [Photo Album]

M82 M82
  Jpeg | Tiff | PS | [Photo Album]

M31 M31
  Jpeg | Tiff | PS | [Photo Album]

E0102-72.3 E0102-72.3
  Jpeg | Tiff | PS | [Photo Album]

Orion Nebula Orion Nebula
  Jpeg | Tiff | PS | [Photo Album]

Galactic Center Galactic Center
  Jpeg | Tiff | PS | [Photo Album]

Deep Field in Canes Venatici Deep Field in Canes Venatici
  Jpeg | Tiff | PS | [Photo Album]

Scale Bars: '09 | '08 |'07 | '06 | '05 | '04 | '03 | '02 | '01 | '00 | '99