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.
Activation Fee. Activation Fee. A one-time fee a company charges upon the creation of a new account. For example, a cellular phone company or an Internet service provider may assess an activation fee in addition to the first month's bill. The activation fee is intended to compensate the company for the expenses associated with setting up the account.