Which of the terrestrial worlds has the strongest magnetic field?
A) the Moon B) Mercury C) Earth D) Mars E) Venus
Question 2
Which of the following correctly lists speeds from slowest to fastest?
A) Earth's speed of revolution about the Sun, typical speeds of stars in the local solar neighborhood relative to us, Earth's speed of rotation on its axis, the speed of our solar system orbiting the center of the Milky Way Galaxy, the speeds of very distant galaxies relative to us
B) Earth's speed of rotation on its axis, typical speeds of stars in the local solar neighborhood relative to us, Earth's speed of revolution about the Sun, the speed of our solar system orbiting the center of the Milky Way Galaxy, the speeds of very distant galaxies relative to us
C) the speed of our solar system orbiting the center of the Milky Way Galaxy, Earth's speed of revolution about the Sun, Earth's speed of rotation on its axis, the speeds of very distant galaxies relative to us, typical speeds of stars in the local solar neighborhood relative to us
D) Earth's speed of revolution about the Sun, Earth's speed of rotation on its axis, the speed of our solar system orbiting the center of the Milky Way Galaxy, typical speeds of stars in the local solar neighborhood relative to us, the speeds of very distant galaxies relative to us
E) the speeds of very distant galaxies relative to us, typical speeds of stars in the local solar neighborhood relative to us, Earth's speed of rotation on its axis, Earth's speed of revolution about the Sun, the speed of our solar system orbiting the center of the Milky Way Galaxy
Fallow deer in field
Far side of the Moon
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Earth’s Major Tectonic Plates
The Interiors of Earth and Mercury
What is the strongest oxidizing agent of the following set: MnCl2, Mn(OH)3, MnO2, KMnO4?