|Science Challenge #26|
appear to astronauts on the Moon?
|To us on the Earth, the moon travels across the sky, and goes through a 30 day cycle of invisible to fully visible.|
|A) It would follow a similar 30 day cycle as it travels
across the lunar sky.
B) The Earth would remain stationary in the lunar sky and always show the same position; no cycle, no movement, no rotation of any kind.
C) The Earth would remain stationary in the lunar sky while rotating and going through a 30 day cycle.
D) The Earth would follow a 24-hour cycle from invisible to fully visible as it travels across the lunar sky in a 30 day cycle.
E) None of the above.
|Can you remember how Neil
Armstrong, America's brave hero, described the Earth to the world
Can You figure out if
Bonus question: when the earth is between the moon and sun, would the earth be too dark to see, or would you see a ring of light from the atmosphere?
What color would the ring be? Blue? Red?