αντίστροφη μέτρηση | counter | χρονόμετρο Εργαλεία!
Πατήστε το κουμπί αντιγραφής και επικόλλησης σε blog ή τον ιστοχώρο σας.
(Παρακαλείσθε να στραφούν σε HTML MODE όταν απόσπαση στο blog σας. Παραδείγματα: WordPress Παράδειγμα, Blogger Παράδειγμα)
Fossil dogs and wolves from Palaeolithic sites in Belgium . . . The Goyet cave is situated in a limestone cliff in the Samson valley, a tributary of the Meuse River The cave consists of several chambers in which a large number of Middle and Upper Paleolithic artefacts were discovered along with numerous remains of ice age mammals (Dupont, 1873) Many of the fossil bones are broken, have cut marks, or display traces of ochre (Germonpré, 1996, Germonpré
Solar cycle - Wikipedia The solar cycle or solar magnetic activity cycle is the nearly periodic 11-year change in the Sun's activity (including changes in the levels of solar radiation and ejection of solar material) and appearance (changes in the number and size of sunspots, flares, and other manifestations) They have been observed (by changes in the Sun's appearance and by changes seen on Earth, such as auroras