9SCP Astronomy Part 1

Which of the following is the largest?

• Planet

• Star

• Solar System

• Galaxy

What is the approximate age of planet Earth?

• 4.6 billion years

• 4.6 million years

• 13.8 million years

• 13.8 billion years

Based on our current understanding, what is the approximate age of the Universe?

• 4.6 billion years

• 4.6 million years

• 13.8 million years

• 13.8 billion years

Which of the following best describes the daily motion of the stars when viewed from Melbourne (and other cities. in the southern hemisphere?

• Rise in the east, set in the west, rotating clockwise around the South Celestial Pole.

• Rise in the east, set in the west, rotating anticlockwise around the South Celestial Pole.

• Rise in the west, set in the east, rotating clockwise around the South Celestial Pole.

• Rise in the east, set in the west, rotating clockwise around the Southern Cross.

Which of the following describes the direction that an observer faces when looking at the stars?

• Azimuth

• Altitude

• Zenith

• Celestial pole

Which of the following describes the angle from the horizon that an observer faces when looking at the stars?

• Azimuth

• Altitude

• Zenith

• Celestial pole

Which of the following describes the point in the sky directly overhead?

• Azimuth

• Altitude

• Zenith

• Celestial pole

Which of the following best describes the daily motion of the stars when viewed from London (and other cities. in the northern hemisphere?

• Rise in the east, set in the west, rotating clockwise around the North Celestial Pole.

• Rise in the east, set in the west, rotating anticlockwise around the North Celestial Pole.

• Rise in the west, set in the east, rotating clockwise around the North Celestial Pole.

• Rise in the east, set in the west, rotating clockwise around the Polaris.

Which of the following best describes the daily motion of the stars when viewed from a point on the equator?

• Rise in the east, set in the west, rotating clockwise around the North Celestial Pole.

• Rise in the east, set in the west, all stars can be seen (celestial poles are on the horizon)

• Rise in the west, set in the east, all stars can be seen (celestial poles are on the horizon)

• Rise in the east, set in the west, all stars can be seen (celestial poles are at the zenith)

What is the significance of the ecliptic?

• Path in the sky taken by the sun.

• Location of the celestial poles.

• Location of zenith

• Location of all constellation.