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1. • Aurora - Nature

     Nature· 4 days ago

     AN aurora of considerable proportions and of the radiant form was visible here on Wednesday night. At 9 p.m. the centre of energy was in the north-west, and from a large blunted ...

2. • Polarisation of the Aurora - Nature

     Nature· 4 days ago

     The only other account of observations that I have met with are contained in the report of Prof. Stephen Alexander on his expedition to Labrador, given in Appendix 21 of the United States Coast ...

3. • The Sky-Glows - Nature

     Nature· 4 days ago

     Twenty-five minutes after the sun had gone down, the colour was so vivid as to be reflected from the snows of Mount Baker (10,700 feet), which is about seventy-five miles east of this place.

4. • Auroras - Nature

     Nature· 4 days ago

     It is stated that on November 4 one of the finest auroras of the year was visible at Throndhjem, Norway...

5. • Societies and Academies - Nature

     Nature· 4 days ago

     A study of the conditions under which, in acetic acid solutions, it is possible to separate completely calcium and magnesium from salts of iron and aluminium.—G. Zeil: The rôle of building corals ...

6. • Work of International Polar Year Expedition - Nature

     Nature· 4 days ago

     The site of Fort Rae is of exceptional interest, as it lies near the zone of maximum frequency of aurora, and auroral photography was one of the most important ...

7. • Scattering of 56-Mc./s. Radio Waves from the Lower Ionosphere - Nature

     Nature· 4 days ago

     INCIDENTAL to radar studies of the aurora at Saskatoon, Canada (52.l°N., and 106.6° W.), with frequencies of 56 and 106.5 Mc./s., a persistent scatter echo is observed with ...

8. • Aurora Borealis - Nature

     Nature· 4 days ago

     At 9 these became tinted with glowing red on their upper portions. After exhibiting lively motions for a quarter of an hour or so, the phenomenon settled down into a brilliant and steady arch ...

9. • The Right Hon. Lord Rayleigh, F.R.S. - Nature

     Nature· 4 days ago

     THE British Association holds its annual meeting in Cambridge in August 1938, and the General Committee of the Association has elected Lord Rayleigh to the presidential chair for that meeting ...

10. • The Distribution in Space of the Sunlit Aurora Rays - Nature

      Nature· 4 days ago

      SOME time ago (NATURE, Sept. 3, 1927) I discussed the position of the sunlit aurora rays with my colleague, Prof. Krogness, and he made the suggestion that the great heights ...