Adventure Ausrama Blog

When humans first arrived in Australia, sea level was much lower than it is now. People could have taken the Northern route through Sulawesi, island hopping across the sea, then reaching Papua New Guinea which was joined to Australia. It is the most logical path because land could always be seen in the distance in times of good weather. The southern route is much more difficult in terms of resources and energy. It involves travel across large islands of the Indonesian archipelago from Sumatra to Timor then a considerably long sea journey to the northern part of Australia. Early arrivals obviously did not plan their journey, so using the easiest and most effective route was not an issue. They just moved east to new pastures as resources were depleted with new people moving into inhabited regions. It is possible that Australia was reached by travel along both routes. Artifacts in the rock shelter at Madjedbebe in Australia have been dated at 65,000 years before the present. Not much ar

A NASA space vehicle, New Messenger, has reached Mercury and is beaming back information to CSIRO's Canberra Deep Space Communication Complex. It has taken nearly seven years to get to the hot inner planet. A Mercury day is six Earth months long while its year is only 88 days. There is no possibility of humans landing on this little planet as the temperature reaches 430 degrees. Its minimum is extreme as well, minus 180 degrees. The sun would look three times bigger than on Earth if you could stand on it surface and look at it that is. An earlier exploratory vehicle, Marina 10, only gave a cursory look at the innermost planet. The whole planet is to be mapped this time. It will show whether there is ice at the poles. The sun never shines into pole craters. A mystery to be solved is why Mercury is composed mainly of metals. http://www.adventure--australia.blogspot.com/ http://www.tysaustralia.blogspot.com/ http://www.feeds.feedburner.com/AdventureAustralia http://www.technorati.com/