Skip to main content
Menu
Hub
Open Hub
About the Hub
Announcements
For Media
Faculty Experts Guide
Subscribe to the newsletter
Explore by Topic
Arts+Culture
Athletics
Health
Politics+Society
Science+Technology
Student Life
University News
Voices+Opinion
Events
At Work
Open At Work
About Hub at Work
Gazette Archive
Explore by Topic
News+Info
Benefits+Perks
Health+Well-Being
Tools+Tech
Happenings
Johns Hopkins Magazine
Open Johns Hopkins Magazine
Current Issue
About the Magazine
Past Issues
Contact
Support Johns Hopkins Magazine
Subscribe to the Magazine
jhu.edu
Search
Home
>
Faculty Experts Guide
>
Topics
>
Comets
Comets
Contact a media rep
Robert D. "Bobby" Braun
Director for Planetary Science
Expertise
comets
DART
meteors
meteorites
planets
space exploration
Carey Lisse
Planetary astronomer
Expertise
heliophysics
comets
planets
Office phone
240-228-0535
Andy Rivkin
Planetary astronomer
Expertise
asteroids
comets
DART
planets
Office phone
240-228-2811
X
asrivkin
Harold Weaver
Planetary Scientist
Expertise
comets
planets
astronomy
Pluto
Email
hal.weaver@jhuapl.edu
Office phone
240-228-8078