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'Students using astrophysical textbooks remain essentially ignorant of even the existence of plasma concepts, despite the fact that some of them have been known for half a century. The conclusion is that astrophysics is too important to be left in the hands of astrophysicists who have gotten their main knowledge from these textbooks. Earthbound and space telescope data must be treated by scientists who are familiar with laboratory and magnetospheric physics and circuit theory, and of course with modern plasma theory.'

Hannes Alfven#3

PhysicsAstrophysicsPlasmaEducation

About this quote

What does it mean?
Students using only standard astrophysics textbooks miss plasma concepts; experts in related fields should handle space data, not just astrophysicists.
In plain terms
Relying solely on textbooks leaves students ignorant of plasma; specialists in related physics should work with space data.
What can you take from it?
Integrate interdisciplinary expertise into astrophysics education.

Where it applies

  • university curricula
  • research collaborations

Putting it to work

  • revise textbooks
  • include lab‑based plasma training

Questions to consider

  • How can curricula better bridge physics subfields?
  • What barriers exist to interdisciplinary training?

Another view

The claim may undervalue the ability of astrophysicists to learn plasma independently.

More from Hannes Alfven

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  2. 'The peer review system is satisfactory during quiescent times, but not during a revolution in a discipline such as astrophysics, when the establishment seeks …

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  3. 'Most people today still believe, perhaps unconsciously, in the heliocentric universe ... every newspaper in the land has a section on astrology, yet few have …

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