Astronomy Picture of the Day · July 17, 1997

Message from Earth

The Astronomy Picture of the Day for July 17, 1997 is “Message from Earth,” an image. It is credited to Credit: F. Drake (UCSC) et al., Arecibo Observatory (Cornell, NAIC). The original explanation runs about 163 words.

From the explanation

“What are these Earthlings trying to tell us? The above message was broadcast from Earth towards the globular star cluster M13 in 1974.”

— APOD editors, July 17, 1997

Read the full explanation on science.nasa.gov

At a glance

Date: July 17, 1997
Type: Image
Credit: Credit: F. Drake (UCSC) et al., Arecibo Observatory (Cornell, NAIC)
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 163 words

All of July 1997 → · 1997 by month → · Full archive since 1995 →

Topics in this entry

Star clusters

Topics are matched from words in the title and explanation.

On this day: July 17 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

Source

Astronomy Picture of the Day, July 17, 1997 — science.nasa.gov/image-article/apod-1997-july-17-a-message-from-earth

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.