Asteroids v. Comets @OSIRISRExMission
Asteroids v. Comets  @OSIRISRExMission
Uploaded August 2014 | Updated September 2026, 3 hours ago
OSIRIS-REx presents a new 321Science! video about the differences and similarities between asteroids and comets. This video explores the ways in which scientists are discovering that asteroids and comets may be more alike than different.

OSIRIS-REx is on the web at
AsteroidMission.org
Facebook: facebook.com/OSIRISREx
Twitter: @OSIRISREx

Music: Feeling Positive by Matthias Harris
Narrator: Hannah Tanquary.

Thanks to the 321Science! team: Anna Spitz, Symeon Platts, Melissa Dykhuis, James Keane, Tiffany Hawley, Heather Roper, Zoe Bentley, Rose Patchell, Sarah Spitz, Hannah Tanquary, Rob Zellem, Ross Dubois, and OSIRIS-REx Scientists and Educators.

OSIRIS-REx Presents 321Science! posts entertaining videos about asteroid science and mission information. OSIRIS-REx is a NASA New Frontiers mission which will launch to asteroid Bennu in 2016 and return a sample of the asteroid to Earth in 2023.
Asteroids v. CometsOSIRIS-REx Outbound Cruise and Gravity AssistSearching for Earths Trojan AsteroidsWhat Are Asteroid Families?Welcome to Bennu Press Conference - First Mission Science ResultsThe OSIRIS-REx Asteroid AlphabetOSIRIS-REx AMA Promo - Dante LaurettaCongratulations Hayabusa2 with OSIRIS-REx Leader, Dante LaurettaAsteroid Fact vs. FictionSlingshot to an Asteroid: OSIRIS-RExs Earth Gravity AssistWhats the Gravity of Gravity?OSIRIS-REx Mission Confirmation Celebration - May 22, 2013
OSIRIS-REx Mission |

Asteroids v. Comets

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