What is axial tilt in astronomy?
Q: What is axial tilt in astronomy?
A: Axial tilt is the angle between a planet's rotational axis at its north pole and a line perpendicular to the orbital plane of the planet.
Q: Is axial tilt also known by any other name?
A: Yes, axial tilt is also known as axial inclination or obliquity.
Q: What is the cause of seasons on Earth?
A: The cause of seasons on Earth is the axial tilt of the planet.
Q: Why is axial tilt important in astronomy?
A: Axial tilt is important in astronomy because it helps to explain phenomena such as the changing seasons on planets like Earth.
Q: What is the axial tilt of Earth?
A: The axial tilt of Earth is approximately 23.5 degrees.
Q: What happens to the axial tilt of a planet over time?
A: The axial tilt of a planet can vary over long periods of time due to factors such as gravitational forces from other celestial bodies.
Q: Is axial tilt unique to Earth?
A: No, axial tilt is not unique to Earth – other planets in our solar system also have their own axial tilts.