Topic 7
Cards (26)
- What is the Earth's axis of rotation not fixed but traces out?
- How does the Earth's axis behave like a spinning top?
- What are the equinoxes?
- What remains unchanged despite the precession of the Earth's axis?
- Where does the Earth's axis currently point?
- What was the position of the North Celestial Pole (NCP) about 5000 years ago?
- In how many years will the NCP lie near Vega?
- What is the term for the gyroscopic wobbling of the Earth's axis?
- How long does it take for one complete rotation of precession?
- Who discovered precession and when?
- What did Hipparchus compare to discover precession?
- How much did Hipparchus find the stars' positions shifted?
- What is the tilt of the Earth's axis to the vertical?
- What happens to the Earth's axis after half a period of precession?
- What is the rate of shift of the Earth's axis per century?
- What causes the precession of the Earth's axis?
- What was one of the first suggestions about precession?
- How has the position of the NCP changed in the last 5000 years?
- What is the current position of the NCP?
- What will happen to the First Point of Aries in the future?
- What is the First Point of Aries?
- How has the alignment of ancient monuments been affected by precession?
- What can archaeoastronomers determine from the misalignment of ancient monuments?
- Which ancient monuments are associated with Orion's Belt?
- What remains aligned in ancient monuments despite precession?
- What has changed regarding the dates of solstices in ancient monuments?