Research News Heads Up! Sunspots Are Dragging Down Satellites + See all authors and affiliations Science 19 Aug 1988:Vol. 241, Issue 4868, pp. 902DOI: 10.1126/science.241.4868.902 RICHARD A. KERRFind this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.