Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001eso..pres...29.&link_type=abstract
ESO Press Release, 12/2001
Astronomy and Astrophysics
Astrophysics
Scientific paper
ESA/ESO Astronomy Exercises Provide a Taste of Real Astronomy [1]
Summary
The European Southern Observatory (ESO) has been involved in many Europe-wide educational projects during the past years, in particular within European Science Weeks sponsored by the European Commission (EC).
In order to further enhance the significant educational potential inherent in the numerous scientific endeavours now carried out by Europe's astronomers with ESO front-line telescope facilities, it has been decided to set up an Educational Office within the ESO EPR Department.
It will from now on work closely with astronomy-oriented teachers, in particular at the high-school level , providing support, inspiration and new materials. Much of this interaction will happen via the European Association for Astronomy Education (EAAE)
In this context, and in collaboration with the European Space Agency (ESA) , the first instalments of the "ESA/ESO Astronomy Exercise Series" have just been published, on the web ( http://www.astroex.org ) and in print (6 booklets totalling 100 pages; provided free-of-charge to teachers on request).
They allow 16-19 year old students to gain exciting hands-on experience in astronomy, making realistic calculations with data obtained from observations by some of the world's best telescopes, the NASA/ESA Hubble Space Telescope (HST) and ESO's Very Large Telescope (VLT) .
PR Photo 36/01 : The "ESA/ESO Astronomy Exercise Series" . Educational projects at ESO
The European Southern Observatory (ESO) , through its Education and Public Relations Department (EPR) , has long been involved in educational activities, in particular by means of Europe-wide projects during successive European Science Weeks , with support from the European Commission (EC) . A most visible outcome has been the creation of the trailblazing European Association for Astronomy Education (EAAE) - this was first discussed at an international meeting at the ESO Headquarters in November 1994 with the participation of more than one hundred physics teachers from different European countries.
Other educational projects include the highly successful "Sea and Space" (in 1998; with ESA), "Physics on Stage" (2000; with CERN and ESA), and "Life in the Universe" (2001; with CERN, ESA, EMBL and ESRF), all in close collaboration with EAAE. Astronomy and Astrophysics at the frontline of education
The subject of Astronomy and Astrophysics plays an increasingly important role within education. This is not coincidental - this particular field of basic science is very attractive to young people. Its exploratory nature tickles youthful minds and the vast expanse of the Universe harbours many unknown secrets that are waiting to be discovered. The beautiful and intriguing images brought back by high-tech telescopes and instruments from the enormous terra incognita out there are natural works of art that invite comtemplation as well as interpretation.
Astronomy and Astrophysics is a broadly interdisciplinary field, providing ample opportunities for interesting educational angles into many different fields of fundamental science, from physics, chemistry and mathematics, to applied research in opto-mechanics, detectors and data handling, and onwards into the humanities. The ESO Educational Office
In order to further enhance the educational potential of the numerous scientific endeavours now carried out by Europe's astronomers with ESO front-line facilities, it has been decided to set up an Educational Office within the ESO EPR Department.
It will from now on work closely with astronomy-oriented teachers, in particular at the high-school level , providing support, inspiration and new materials. Beginning next year, it will arrange meetings for teachers to inform about new results and trends in modern astrophysics, while facilitating the efficient exchange of the teachers' educational experience at different levels within the different curricula at Europe's schools.
These initiatives will be carried out in close collaboration with the European Association for Astronomy Education (EAAE). During the past months, various preparatory discussions have been held between ESO, EAAE members and other teachers involved in Astronomy teaching from many countries.
Provisional information about the ESO Educational Office will be found at its website ( http://www.eso.org/outreach/eduoff/ ). One of the first activities is concerned with a survey of the specific needs for astronomy education in Europe's high-schools by means of a widely distributed questionnaire. Of more immediate use will be the publication of four, comprehensive astronomy exercises, prepared in collaboration with the European Space Agency (ESA) and further described below. In the scientists' footsteps
ESO PR Photo 36/01
ESO PR Photo 36/01 [Preview - JPEG: 450 x 640 pix - 34k] [Hires - JPEG: 2514 x 3578 pix - 1.4M]
Cover of the "General Introduction" to the "ESA/ESO Astronomy Exercise Series" .
The first instalments of the "ESA/ESO Astronomy Exercise Series" have just been published, on the web and in print. These exercises allow high-school students to gain exciting hands-on experience in astronomy, by making realistic calculations based on data obtained by some of the world's best telescopes, the NASA/ESA Hubble Space Telescope (HST) and ESO's Very Large Telescope (VLT) . Carefully prepared by astronomers and media experts, these excercises enable the students to measure and calculate fundamental properties like the distances to and the ages of different kinds of astronomical objects.
Astronomy is an accessible and visual science, making it ideal for educational purposes. Reacting to the current need for innovative, high-quality educational materials, the European Space Agency (ESA) and the European Southern Observatory (ESO) have together produced this series of astronomical exercises for use in high schools.
The prime object of the series is to present various small projects that will transmit some of the excitement and satisfaction of scientific discovery to students . By performing the well-structured projects, the students also gain first-hand experience in the application of scientific methods that only require basic geometrical and physical knowledge. They use ideas and techniques described in recent front-line scientific papers and are able to derive results that compare well with those from the much more sophisticated analyses done by the scientists. Focus on basic astrophysical themes
The first four exercises focus on techniques to measuring distances in the Universe, one of the most basics problems in modern astrophysics.
The students apply different methods to determine the distance of astronomical objects such as the supernova SN 1987A , the spiral galaxy Messier 100 , the Cat's Eye Planetary Nebula and the globular cluster Messier 12 . With these results, it is possible to make quite accurate estimates of the age of the Universe and its expansion rate , without the use of computers or sophisticated software.
Students can also perform "naked-eye photometry" by measuring the brightness of stars on two VLT images (taken through blue and green optical filters, respectively). They can then construct the basic luminosity-temperature relation (the "Hertzsprung-Russell Diagramme") providing a superb way to gain insight into fundamental stellar physics. Six booklets
The excercises are now available on the web ( http://www.astroex.org ) and in six booklets (100 pages in total), entitled
* "General Introduction" (an overview of the HST and VLT telescopes),
* "Toolkits" (explanation of basic astronomical and mathematical techniques),
* "Exercise 1: Measuring the Distance to Supernova 1987A",
* "Exercise 2: The Distance to Messier 100 as Determined By Cepheid Variable Stars",
* "Exercise 3: Measuring the Distance to the Cat's Eye Nebula", and
* "Exercise 4: Measuring a Globular Star Cluster's Distance and Age".
Each of the four exercises begins with a background text, followed by a series of questions, measurements and calculations. The exercises can be used either as
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