Help Shape the Future of Space Exploration

Join The Planetary Society Now  arrow.png

Join our eNewsletter for updates & action alerts

    Please leave this field empty
The Planetary Report
Halley's Comet On the Cover: Modern techniques of image enhancement have enabled scientists to bring out photographic details that are barely visible in the negative and disappear when printed. This image of Halley's Comet, enhanced from photographs taken May 25, 1910 at Helwan, Egypt, shows a jet (center) shooting out behind the comet.
Daniel A. Klinglesmith III

Volume 5, number 4
July/August 1985

Halley's Comet

Download this issue as a PDF
(Planetary Society members only)

Features

4 Through History with Halley's Comet: Donald Yeomans looks at the history of this celestial visitor.

8 Looking Into Halley's Comet: Julian Loewe and the staff of The Planetary Report showcase the armada of spacecraft studying the comet.

12 A Talk with Fred Whipple: Kelly Beatty sits down with one of the "greats" of the solar system.

15 The International Halley Watch: An Experiment in Cooperation: Jürgen Rahe and Ray L. Newburn, Jr. explain how professional and amateur astronomers alike are working together.

Departments

18 News & Reviews Other worlds; hype, seriously reconsidered.

19 Society Notes Halley's Comet, comparing the planets, and the  1984 audit.

20 World Watch The pace of U.S. deep space exploration.

Facebook Twitter Email RSS AddThis

Essential Advocacy

Our Advocacy Program provides each Society member a voice in the process.

Funding is critical. The more we have, the more effective we can be, translating into more missions, more science, and more exploration.

Donate

Space in Images

Pretty pictures and
awe-inspiring science.

See More

Join The Planetary Society

Let’s explore the cosmos together!

Become a Member

Connect With Us

Facebook, Twitter, YouTube and more…
Continue the conversation with our online community!