Grunsfeld added that the brine streaks aren't the most likely place on Mars to find life - better conditions for microbes would likely be underground, near a source of fresh water, rather than salty water.
An Australia ETA (Electronic Travel Authority) is a visa for travel to Australia that is issued electronically. An Australia ETA is typically valid for one year, and allows for multiple visits to Australia for a stay of up to 90 days per visit for tourist or for business travelers.
The ETA will function pretty much like a typical visa. So a foreign national looking to gain entry into Canada will be required to obtain an ETA prior to leaving for the country. The main difference though is that applying for and getting an ETA will be done via the web.The ETA's main function is to facilitate travel of eligible visitors to Canada.Because inadmissible persons like those with no-fly orders and criminal records can be easily identified, then screening and subsequent travel of those who are qualified can be expedited.he ETA's main function is to facilitate travel of eligible visitors to Canada. Because inadmissible persons like those with no-fly orders and criminal records can be easily identified, then screening and subsequent travel of those who are qualified can be expedited.