IMG_4548.jpeg

# Questions and Answers The document contains a series of multiple-choice questions related to astronomy and planetary science. The questions cover topics such as planetary rotation, orbit, stellar evolution, and the properties of various celestial objects. **Question 14:** Which planet has the...

# Questions and Answers The document contains a series of multiple-choice questions related to astronomy and planetary science. The questions cover topics such as planetary rotation, orbit, stellar evolution, and the properties of various celestial objects. **Question 14:** Which planet has the longest period of rotation among the listed options? a. Mercury b. Venus c. Mars d. Saturn **Correct Answer:** a. Mercury **Question 15:** Which feature characterizes Jupiter? a. It has a rotation axis inclined relative to its orbital plane b. Its density is similar to Earth's c. It has a rotation axis similar to the Earth's d. Its gravity is notably stronger than Earth's **Correct Answer:** a. Its rotation axis is inclined relative to its orbital plane **Question 16:** Which planet has a rotation axis nearly in the same plane as its orbit? a. Mars b. Saturn c. Neptune d. Uranus **Correct Answer:** b. Saturn **Question 17:** What are asteroids? a. Objects resembling balls of dirty snow b. Objects forming our solar system c. Objects orbiting planets d. Objects orbiting stars **Correct Answer:** a. Objects resembling balls of dirty snow **Question 18:** If star X is red and star Y is white, what does this imply about their properties? a. X is brighter than Y b. X is hotter than Y c. X is cooler than Y d. X is farther away than Y **Correct Answer:** c. X is cooler than Y **Question 19:** What is an astronomical "light-year"? a. A unit for measuring the distance between planets b. The distance light travels in one year c. A measurement of speed, approximately 300,000 km/s d. All of the above **Correct Answer:** b. The distance light travels in one year **Question 20:** What is the most abundant element in the universe? a. Helium b. Hydrogen c. Carbon d. Iron **Correct Answer:** b. Hydrogen **Question 21:** What is solar wind? a. A stream of energized particles originating from the Sun b. Movement of air near the Earth's surface c. Movements within the Sun's atmosphere d. Movement of air in the Earth's atmosphere **Correct Answer:** a. A stream of energized particles originating from the Sun **Question 22:** If stars are arranged in order of increasing temperature, what would the correct sequence be? a. Blue, red, yellow b. Red, blue, yellow c. Red, yellow, blue d. Yellow, red, blue **Correct Answer:** c. Red, yellow, blue **Question 23:** If a planet's distance from the Sun increases, how does its orbital time change? a. The length of the year stays the same. b. The length of the year increases. c. The length of the year decreases. d. There's no correlation. **Correct Answer:** b. The length of the year increases **Question 24:** What will be the final stage of our Sun's life cycle? a. Black hole b. Red giant c. Red dwarf d. White dwarf **Correct Answer:** d. White dwarf