Astronomy Picture of the Day ·
Hammer Versus Feather on the Moon
The Astronomy Picture of the Day for November 1, 2011 is “Hammer Versus Feather on the Moon,” a video. It is credited to Image Credit: Apollo 15 Crew, NASA. The original explanation runs about 200 words.
Watch the video on the original page From the explanation
“If you drop a hammer and a feather together, which reaches the ground first? On the Earth, it’s the hammer, but is the reason only because of air resistance?”
— APOD editors, November 1, 2011
Read the full explanation on science.nasa.gov
Advertisement
At a glance
- Date
- November 1, 2011
- Type
- Video
- Credit
- Credit: Image Credit: Apollo 15 Crew, NASA
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 200 words