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.
This would also further delay a possible visa issuance. Please note: As of January 1, 2017, Union pay will levy a fee of 0.49% on top of the visa fee for applicants who use non-CITIC bank cards to pay their visa fee through ATM. There will be a upper limit of 17 RMB for the fee charged for each transaction.