ECLIPSES | Click on the ![]() The number next to each article gives an indication of its "degree of difficulty": the scale runs from 1 (Easy) to 5 (Degree level!). The articles are "tap enabled", so should work just as well on a tablet as on a PC. Note, however, that some diagrams may not display correctly if you are not connected to the Internet when viewing the pages. I hope you enjoy reading the articles! | ||
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PLANETARY PHENOMENA | |||
![]() ![]() ![]() ![]() Includes articles on the Tides (4), the recession of the Moon (3), and the stability of the Earth's obliquity (5) ![]() ![]() ![]() ![]() ![]() |
GENERAL INTEREST | ![]() | ||
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