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Astronomy Factsheets Go back

No. 22: Laser pointers
Green laser pointers are useful astronomical tools, with their narrow beam pointing out celestial objects in the sky. However, the Australia government has recently banned the importation of hand-held, battery operated, laser pointer with a power greater than 1 mW unless prior written
permission has been granted.


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Section Contents

No. 22: Laser pointers
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No. 21: Total Lunar Eclipse, 28 August 2007
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No. 20: Transit of Mercury
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No. 19: Opposition of Mars, November 2005
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No. 18: Planetary huddle, June 2005
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No. 17: Comet Watching
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No. 15: Transit of Venus, 8 June 2004
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No. 12: Transit of Mercury, 7 May 2003
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No.10: Purchasing Star Names
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No.7: The Alignment of the Planets
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No.6: The Leonid Meteor Shower
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Astronomy factsheet archives
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