Lars Lindberg Christensen

BOOKS
See the separate Books page.

BOOK CONTRIBUTIONS
3. Christensen, L.L.: IAU's Communication Strategy, Hands-on Science Communication & the Communication of the Planet Definition Discussion, in Proc. from IAU General Assembly 2006 Special Session 2, ed. J. Pasachoff & R. M. Ros, IAU 2007
2. Crabtree, D. R., Robson, E. I., Christensen, L. L.: A Status Report from the Division XII Working Group on Communicating Astronomy with the Public, in Proc. from IAU General Assembly 2006 Special Session 2, ed. J. Pasachoff & R. M. Ros, IAU 2007
1. Christensen, L.L.: Practical Popular Communication of Astronomy, pp. 105-142 in Organizations and Strategies in Astronomy -- Vol. 4, ed. André Heck, 2003

BOOK TRANSLATIONS
4. Danish translation of Burnham, R. et al., 1997, The Nature Company Guides – Advanced Skywatching (Gyldendals Store Himmelguide, Gyldendal 2000) + 2. edition 2002
3. Danish translation of Burroughs, W. J. et al. 1996, The Nature Company Guides – Weather (Gyldendals bog om Vejret, Gyldendal 1999), + 2. edition 2002
2. Danish translation of Cornelius, G., 1997, The Starlore Handbook (Håndbog til Himlens Stjerner, Høst & Søn 1998)
1. Danish translation of Ford, H., 1998, The Young Astronomer (Stjernekigger, Høst & Søn 1998)

SCIENTIFIC PUBLICATIONS • SCIENCE COMMUNICATION & EDUCATION
64. Christensen, L.L. & Gay. P., The Portal to the Universe: A comprehensive gateway to what's new in astronomy, in ASP Conference Series xxx, 2008
63. Russo, P. , Christensen, L.L. & Barrosa, M., The International Year of Astronomy 2009 – The Global Programme, in ASP Conference Series xxx, 2008
62. Cruz, M. et al., ASTRONET Infrastructure Roadmap Panel E: education, recruitment/training, and public communication in Europe in the next 20 years, 2008
61. Evans, G. Christensen, L.L., Arcand K.K. & Watzke, M., Taking the public From Earth to the Universe, UK NAM 2008
60. Christensen, L.L. & Hurt, R., A Hands-on Guide to Video Podcasting, CAPjournal 2, 5-16
59. Watzke, M., Kowal, K. & Christensen, L.L., From Earth to the Universe: Image Exhibitions in the International Year of Astronomy 2009, CAPjournal 2, 33-35
58. Russo, P. & Christensen, L.L., The International Year of Astronomy 2009, GHOU 2007 Proceedings, 2007
57. Russo, P. & Christensen, L.L., The International Year of Astronomy 2009, CAPjournal 1, 18-22
56. Nielsen, L. H.; Jørgensen, N. T.; Jantzen, K.; Christensen, L. L.; An Exploratory Study of Credibility Issues in Astronomy Press Releases, CAPjournal 1, 5-9
55.Christensen, L.L. & Russo P., The International Year of Astromomy 2009, International Astronomical Union Bulletin 101, 2007
54. Nielsen, L.H., Christensen, L.L. et al., Have your Say on the ESA/ESO/NASA Photoshop Fits Liberator V.3, in Christensen, L.L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007
53. Watzke. M. et al., From Athens to Around the World: Taking the Cap2007 Image Exhibit to IYA2009, in Christensen, L.L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007.
52. Shida, R.Y., Russo, P. & Christensen, L.L. et al., The Future of the IYA2009 Web Site, in Christensen, L.L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007.
51. Russo, P. & Christensen, L.L. et al., The International Year of Astronomy 2009 - An Opportunity too Good to Miss, in Christensen, L.L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007.
50. Russo, P. & Christensen, L.L. et al., The Journal Communicating Astronomy with the Public - A Study from IAU Division XII Commission 55 CAP Journal Working Group, in Christensen, L.L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007.
49. Nielsen, L.H., Christensen, L.L. et al., The Credibility of Science Communication: An Exploratory Study of Press Releases in Astronomy, in Christensen, L.L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007.
48. Kapadia, A., Chéreu, F., Christensen, L.L., Nielsen, L.H., Gauthier, A.J. Hurt,R.L., Wyatt, R., VAMP in Stellarium/VirGO: A Proof of Concept, in Christensen, L.L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007.
47. HIll, R., Christensen, L.L, et al. Education, recruitment/training & public outreach in Europe - Findings from Education, recruitment/training & public outreach in Europe - Findings from ASTRONET Panel E, in Christensen, L.L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007.
46. Hurt, R.L., Gauthier, A.J., Christensen, L.L., Wyatt, R. Sharing Images Intelligently: The Astronomy Visualization Metadata Standard, in Christensen, L.L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007.
45. Gauthier, A.J., Christensen, L.L., Hurt, R.L., Wyatt, R., Virtual Astronomy Multimedia Project, in Christensen, L.L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007.
44. Christensen, L.L. & Hurt, R., Video Podcasting Hands-On Guide in Christensen, L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007
43. Christensen, L.L., Kornmesser, M., Shida, R.Y., Gater W. & Liske, J., The Hubblecast – the world’s first full HD video podcast? in Christensen, L. & Zoulias, M. (eds.) Proceedings from Communicating Astronomy with the Public 2007
42. Hurt, R. & Christensen, L.L., Vodcasting for Everyone , in Proceedings from ASP EPO, 2007
41. Christensen, L.L., The Pluto Affair: When Professionals Talk to Professionals with the Public Watching , in Proceedings from Future Professional Communication in Astronomy, ed. André Heck, 2007
41. Christensen, L.L. & Russo, P., Communicating Astronomy with the Public, in Proceedings from Future Professional Communication in Astronomy, ed. André Heck, 2007
40. Christensen, L.L. & Shida, R.Y., The Hubblecast: A video podcast, ST-ECF Newsletter 42, July 2007
39. Christensen, L.L., Massey, R. J. & Frenkel, F., Dark Matter Comes to Light , American Scientist, May-June, 2007
38. Hurt, R., Christensen, L.L.,From astronomical data to art, Astronomy magazine, January 2007
37. Hurt, Robert L.; Christensen, L.L.; Gauthier, A., Sharing Images Intelligently: The Astronomical Visualization Metadata Standard, ASP EPO Meeting 2007, Chicago, 2007
36. Kuemmel, M.; Kuntschner, H.; Christensen, L. L., The New ST-ECF Web, ST-ECF Newsletter 40, 2006
35. Crabtree, D. R.; Robson, E. I.; Christensen, L. L., A Status Report from the Division XII Working Group on Communicating Astronomy with the Public, 2006
34. Christensen, L.L., Communication of the “Pluto Affair”, ST-ECF Newsletter 41, December 2006
33. Christensen, L.L., The International Year of Astronomy 2009, ST-ECF Newsletter 41, December 2006
32. Christensen, L.L., Crabtree, D.R. & Robson, I., Division XII Working Group on Communicating Astronomy with the Public in REPORTS ON ASTRONOMY 2002-2005, IAU Transactions XXVIA, O. Engvold (ed.), International Astronomical Union, 2005
31. Zoulias, M, Christensen, L.L., Kornmesser, M., The ESA Hubble 15 th Anniversary Campaign, Conference Proc. from the 7th Hellenic Astronomical Conference , 2006
30. Zoulias, M, Christensen, L.L., Kornmesser, M., Hubble’s 15 years anniversary, poster at the 7th Hellenic Astronomical Conference , 2005
29. Christensen, L.L., Progress of the Virtual Repository, in Proc. from the ESO/ESA/IAU Conference 14-17 June 2005, eds. I. Robson & L. L. Christensen
28. Christensen, L.L., Moving the pretty pictures into the 21st century, in Proc. from the ESO/ESA/IAU Conference 14-17 June 2005, eds. I. Robson & L. L. Christensen
27. Christensen, L.L., Nielsen, L.H, Nielsen, K.K & Johansen, T., The ESA/ ESO/NASA Photoshop FITS Liberator Version 2, in Proc. from the ESO/ESA/IAU Conference 14-17 June 2005, eds. I. Robson & L. L. Christensen
26. Christensen, L.L & Kornmesser, M., The ESA Hubble 15th Anniversary Campaign in Proc. from the ESO/ESA/IAU Conference 14-17 June 2005, eds. I. Robson & L. L. Christensen
25. Robson, I. & Christensen L.L., Report on the ESO-ESA-IAU Conference Communicating Astronomy with the public 2005, ESO Messenger 121, 2005
24. Hurt, R. & Christensen, L.L., FITS Liberator v.2 Users Guide, 2004
23. Christensen, L.L., Hubble’s 15th Anniversary – Facts about the ESA Project, ST-ECF Newsletter 38, July 2005
22. Christensen, L.L., A framework for a Virtual repository of Outreach Product, ST-ECF Newsletter 37, October 2004
21. Christensen, L.L., The ESA/ESO/NASA Photoshop FITS Liberator, ST-ECF Newsletter 37, October 2004
20. Christensen, L.L., Latest from ESA/Hubble outreach and education, Proc. from the GHOU Conference Skt. Petersburg, Russia, 2004
19. Christensen, L.L., A framework for a virtual repository of outreach products, Proc. from the GHOU Conference Skt. Petersburg, Russia, 2004
18. Christensen, L.L., A framework for a Virtual repository of Outreach Products poster at the JENAM Conference, Grenada, 2004
17. Christensen, L.L., The IAU Working Group Communicating Astronomy with the Public, poster at the JENAM Conference, Grenada, 2004
16. Christensen, L.L., The Third Communicating Astronomy Conference, poster at the JENAM Conference, Grenada, 2004
15. Christensen, L.L., Selected Topics from Science Communication, poster at the JENAM Conference, Grenada, 2004
14. Christensen, L.L. et al., “Simplicity” on Spacetelescope.org - User’s Guide, 2004
13. Christensen, L.L. et al., “Simplicity” on Spacetelescope.org – an innovative web scheme for science communication, ST-ECF Newsletter 36, Spring 2004
12. Christensen, L.L. et al., En National Strategi for Astronomi- og Rumfartsformidling, Report Astronomisk Udvalgs Underudvalg for Formidling, 2004
11. Christensen, L.L., The Ideal Communication Office, in the Proc. from the “Stars of Paper” INAF workshop, Bologna, 2003
10. Christensen, L.L., Selected Topics from Science Communication, poster at the COMMUNICATING ASTRONOMY TO THE PUBLIC Conference, Washington DC, 2003
9. Christensen, L.L. et al., How to Get to Barcelona, poster at Dansk Astronomi Møde, Nyborg, 2003
8. Christensen, L.L.: Communicating Science: A case study - the Hubble Space Telescope, in the Proc. from the Global Hands on the Universe Conference, 2002
7. Bacher, A, Christensen, L.L: Hands-on wotk with The ESA/ESO Astronomy Exercise Series, in the Proc. from the Global Hands on the Universe Conference, 2002
6. Bacher, A. & Christensen, L.L., Schüler in den Fußstapfen der Wissenschaftler, poster at 52. Jahrestagung der ÖPG, Leoben, Austria, 2002
5. Christensen, L.L.: Science Communication – the case of the Hubble Space Telescope, ST-ECF Newsletter 31, Summer 2002
4. Christensen, L.L. & Bacher, A., The ESA/ESO Astronomy Exercise Series, in ST-ECF Newsletter 30, January 2002, 7
3. Christensen, L.L. & Bacher, A., In the Footsteps of Scientists - ESA/ESO Astronomy Exercise Series, in ESO Messenger No. 107, March 2002, 44f
2. Bacher, A.; Christensen, L.L. : A Taste of Real Astronomy - The ESA/ESO Astronomy Exercises, in The Universe in the Classroom No. 57, Spring 2002
1. Bacher, A. & Christensen, L.L., 2001, The ESA/ESO Astronomy Exercises

ARTICLES • POPULAR SCIENCE
37. Christensen, L.L., Boganmeldelse af: Hawkings Uendelige Univers, Aktuel Naturvidenskab, 2006
36. Christensen, L.L., På billedjagt med egen computer, Aktuel Astronomi 01-2006
35. Christensen, L.L., Hubble fejrer fødselsdag, Aktuel Astronomi 02-2005
34. Christensen, L.L., Himlen Netop Nu, Illustreret Videnskab, 05-2005
33. Christensen, L.L., Supernova skabte Solsystemet, Illustreret Videnskab, 06-2005
32. Christensen, L.L., Himlen Netop Nu, Illustreret Videnskab, 01-2005
31. Christensen, L.L., Himlen Netop Nu, Illustreret Videnskab, 02-2005
30. Christensen, L.L., XMM opdager røntgenekko, Aktuel Naturvidenskab, 03/2004
29. Christensen, L.L., Nærbillede af kometkerne, Aktuel Naturvidenskab, 02/2004
28. Christensen, L.L., Exoplaneter i vælten, Aktuel Naturvidenskab, 01/2004
27. Christensen, L.L., Voyager 2 mod Solsystemets afslutning, Morgenavisen Jyllandsposten, December 2003
26. Christensen, L.L., Mod Solsystemets Yderste Grænse, Aktuel Naturvidenskab, 05/2003
25. Christensen, L.L., Fokus på Solen, Morgenavisen Jyllandsposten, Sunday 4 May 2003
24. Christensen, L.L., Hidtil dybeste kig ud i Universet, Aktuel Naturvidenskab, 03/2003
23. Christensen, L.L., Danske Forskere med eksplosiv opdagelse, Aktuel Naturvidenskab, 03/2003
22. Christensen, L.L., Første detaljerede billede af et solsystem under dannelse, Illustreret Videnskab, 2003
21. Christensen, L.L., Ringenes Herre, Illustreret Videnskab, 2003
20. Christensen, L.L., Sommerfugle i Rummet, Aktuel Astronomi, 02/2003
19. Christensen, L.L., Åbenhed er en nødvendighed!, Hovedområdet, 01/2003
18. Christensen, L.L., Big Bang Kortlagt, Aktuel Naturvidenskab, 01/2003
17. Christensen, L.L., Rekordskarpe billeder af Solen, Aktuel Naturvidenskab, 01/2003
16. Benvenuti, P. & Christensen, L.L., The Hubble Space Telescope - 10 Years On, ESA Bulletin 104, November 2002
15. Christensen, L.L., Hubble: The Next Generation, Astronomy Now, Feb. 2002
14. Christensen, L.L., Nej, vi fandt ikke meteoritten, men ..., Politiken, 17.8.1998
13. Christensen, L.L., Flyttedag til ny isørken, Politiken, 10.8.1998
12. Christensen, L.L., Højt humør i snesumpen, Politiken, 3.8.1998
11. Christensen, L.L., Jagt på meteorit i gang, Politiken, 28.7.1998
10. Christensen, L.L., Ekspedition skal finde rester af meteorit, Politiken, 21.7.1998
9. Christensen, L.L., diverse “Nyheder”, Aktuel Astronomi 1995-1998
8. Pedersen, E. & Christensen, L.L., 1998, Jagten på Meteoret, Illustreret Videnskab #14, 1998
7. Christensen, L.L. & Rögnvaldsson, Ö. E., 1997, Universet i en Computer, Aktuel Astronomi, Vinter 1997
6. Christensen, L.L., Om astronomi, i Studier på Naturvidenskab, KU, 1997 + 1998.
5. Christensen, L.L., Hermit, S., 1997, Hipparcos - En lille satellit med store ambitioner, Aktuel Astronomi, Vinter 1997
4. Christensen, L.L., 1996, Universets Største Strukturer, Aktuel Astronomi, Efterår 1996
3. Christensen, L.L. & Linden, M.J.D., 1993, Sorte Huller – Teoretikernes fantasifostre?, Aktuel Astronomi, vinter 1993
2. Christensen, L.L. & Linden, M.J.D., 1993, Gravitationelle Linser - kosmiske fatamorganaer, Aktuel Astronomi, forår 1993
1. Christensen, L.L. & Linden, M.J.D., 1993, CCD-revolutionen, Aktuel Astronomi, sommer 1993

SEMI-SCIENTIFIC PUBLICATIONS • PHYSICS & ASTRONOMY
3. Olesen, A.V. et al., 2000, De himmelske buer, Aktuel Naturvidenskab #1 2000
2. Christensen, L.L. et al., 1998, Nordlys, Kvant #4 1998
1. van der Poel, M. et al., 1998, Brydningsfænomener i Jordens Atmosfære, Kvant #4 1998

SCIENTIFIC PUBLICATIONS • PHYSICS & ASTRONOMY
6. Fosbury, R & Christensen, L.L., Hubble’s Bequest to Astronomy, ST-ECF Newsletter 41, December 2006
5. Christensen, L.L., What’s New, HST, poster at Dansk Astronomi Møde, Nyborg, 2002
4. Rögnvaldsson, Ö. E., et al., 2001, MNRAS 322, s. 131-140, Depletion of background galaxies owing to the cluster lens CL0024+1654: U- and R-band observations
3. Christensen, L.L., 1996, Compound Redshift Catalogues and their Application to Redshift Distortions of the Two-Point Correlation Function, Thesis, University of Copenhagen
2. Christensen, L.L., 1996, Mapping the Universe through 3D Visualization of Galaxy Redshifts in the Conference Proc. from ”Mapping, Measuring and Modeling the Universe” p. 177-182
1. Christensen, L.L., Nevalainen, J., 1995, Correlations between Gamma Ray Burst Positions and Multi-wavelength Observations of Various Object Types, Proc. fra Nordic Research Course 10: Observational Methods and Techniques in Space Astrophysics p. 97-130

MOVIES
See the separate Movies page.

VIDEO NEWS RELEASES
11. First 3D map of the Universe's Dark Matter scaffolding, 2006 (Video News Release)
10. New Hubble Servicing Mission to upgrade instruments, 2006 (Video News Release)
9. Hubble’s deepest view ever of the Universe unveils earliest galaxies, 2004 (Video News Release)
8. Mega starbirth cluster is biggest, brightest and hottest ever seen, 2003 (Video News Release)
7. Hubble tracks down a galaxy cluster’s dark matter, 2003 (Video News Release)
6. Finding the ashes of the first stars, 2003 (Video News Release)
5. European astronomers observe first evaporating planet, 2003 (Video News Release)
4. Missing Link found between supernovae and black holes, 2002 (Video News Release)
3. Servicing Mission 3B, 2002 (Video News Release)
2. Hubble unveils a galaxy in living colour, 2001 (Video News Release)
1. Hubble spies huge clusters of stars formed by ancient encounter, 2001 (Video News Release)

LASER SHOWS
2. Ambient Laser Trance in The Dome, laser show, 1995
1. Beat the Visions, laser show, 1993

ART & THEATER
2. Laserpyramide over København, FN summit Copenhagen, laser sculpture, 1995
1. Dust (Wau!) Støv, Performance Theater (technical support), Hotel Pro Forma, 1995

EVENTS
2. At the final exams at Danmarks Designskole 1997, slide show
1. Tripping on the Final Frontier, multimedia event, 1995

PLANETARIUM SHOWS
12. Contributions to Planetarium Hamburg’s Faszination Weltall , 2005
11. Part of: Hubble's Heritage, (Spitz Immersavision). Louisville Planetarium. 48 seconds
10. Part of: På vej til Mars (the first Danish IMAX-film). Tycho Brahe Planetarium. 80 seconds.
9. Part of: Mission Saturn – Reise zum Herrn der Ringe, planetarium show, Forum am Deutschen Museum, 2004
8. Den aktuelle Stjernehimmel 1-15, star shows, 1991-1999
7. Løvens Himmelbrøl, star show, 1994
6. Drømmen om Mars, star show, 1993
5. Rundt om Solen, star show, 1992
4. Planeternes Udforskning, star show, 1992
3. Den Lunefulde Måne, star show, 1991
2. Liv i Universet, star show, 1991
1. Store Bjørn og Lille Bjørn, star show, 1990

CD-ROMs, DVDs & SOFTWARE
9. The ESA/ESO/NASA Photoshop FITS Liberator v.2.1, plug-in for Photoshop, 2006
8. The Hubble Planetarium Production Package (distributed by Sky-Skan), 2005
7. The ESA/ESO/NASA Photoshop FITS Liberator v.2, plug-in for Photoshop, 2005
6. The ESA/ESO/NASA Photoshop FITS Liberator, plug-in for Photoshop, 2004
5. Simplicity, an innovative system for producing web sites, 2004
4. Hubbles Pletskud, CD-ROM & Poster for Illustreret Videnskab, Scandinavia, 2004
3. The ESA/ESO Astronomy Exercise Series, 2002
2. The Hubble Image Collection v. 3.0, 2002
1. Introduction to the Second Guide Star Catalog (partnership w. INAF/Torino), 2002

See also: http://www.spacetelescope.org/goodies and http://www.spacetelescope.org/projects

EXHIBITIONS (extract, mostly collaborations)
13. Wissenschaftssommer, Munich centre, 2006
12. Science Tunnel, MPG, 2006
11. ESA Gallery, Armagh Planetarium permanent exhibition, 2006
10. Einstein Party, Munich centre, 2005
9. TUMlab, Deutsche Museum, 2005
8. Science Tunnel, MPG, 2005
7. Raumfahrt - Traumfahrt, Volkswagen Forum, Berlin, 2004
6. The Hubble Deep Field in 3D, International Astronomical Union General Assembly, Manchester, UK, 2000
5. Next Generation Space Telescope, SPIE Meeting, München 2000
4. Kontrolcentret – fremtidens klasseværelse, Tycho Brahe Planetarium, 1998-1999
3. Skagen Odde Naturcenter, (consultancy), 1998
2. Mars Panorama, Tycho Brahe Planetarium, 1998
1. Det Europæiske Sydobservatorium, Tycho Brahe Planetarium, 1996

BROCHURES
21. The International Year of Astronomy 2009 v.3, 2008
20. The International Year of Astronomy 2009 v.2, 2007
19. The International Year of Astronomy 2009 v.1, 2006
18. Hubble - 15 Years of Discovery: An opportunity too good to miss, 2004
17. The ESA/ESO/NASA Photoshop FITS Liberator, 2004
16. International Virtual Observatory Alliance, press kit, 2003
15. The ESO/ST-ECF Science Archive Facility v. 2, 2003
14. The Hubble Space Telescope – Our European Eye in Space, 2003
13. ST-ECF – Connecting Ground- and Space-based Astronomy, 2001
12. The Infrared Revolution, 2001
11. The ESO/ST-ECF Science Archive Facility, 2000
10. Next Generation Space Telescope, 2000
9. Hubble European Space Agency Information Centre, 2000
8. 10 Years that Changed our Vision, 2000 (English)
7. 10 Ans d’observations … une vision nouvelle de l‘univers , 2000 (French)
6. 10 Jahre die unser weltbild verändert haben, 2000 (German)
5. Hubble Servicing Mission 3A, ESA Newspaper, 1999
4. Ørsted - Danmarks første satellit, 1999
3. Første Lys til VLT, 1998
2. Tycho Brahe Planetarium Årsrapport, 1997
1. Beat the Visions, 1993

EDUCATIONAL MATERIAL
11. ESA/ESO Astronomy Exercise 7: The Distance to M100 as Determined by photometry of Cepheid Variable Stars performed with the EU-HOU SalsaJ software + teacher’s guide, 2006
10. ESA/ESO Astronomy Exercise 6: The Mass of the black hole at the centre of our Milky Way + teacher’s guide, 2006
9. Hubble - 15 Years of Discovery: educational material, 2005
8. Fits for education
7. General Introduction to ESA/ESO Astronomy Exercise Series
6. ESA/ESO Astronomy Exercise Toolkits
5. ESA/ESO Astronomy Exercise 1: Measuring the Distance to SN 1987A - Supernova 1987A + teacher’s guide
4. ESA/ESO Astronomy Exercise 2: The Distance to M100 as Determined by Cepheid Variable Stars + teacher’s guide
3. ESA/ESO Astronomy Exercise 3: Measurement of the Distance to the Cat’s Eye Nebula + teacher’s guide
2. ESA/ESO Astronomy Exercise 4: Measuring a Globular Cluster’s Distance and Age + teacher’s guide
1. German, Spanish, Dutch, Swedish, French and Italian translations of the the above.