No, skills assessment is not needed for an RSMS visa. The RSMS visa is the only one that has no list of eligible occupations. Provided you have at least diploma level qualifications in an occupation that needs an employee with those qualifications, sponsorship by an eligible sponsor and your...
Orion will rise low in the east just after 11:30pm tonight and at 2:00am will be about 50° above the horizon in the NE sky. October isn't one of the better months to see it.
It depends on the course to some degree, but if you're an International student with reasonable high school or undergraduate grades and have met any subject prerequisites, you shouldn't have any trouble at all in gaining acceptance - Australian universities love full fee paying International...