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Dawn journal: A low-orbit shortcut to Ceres
Posted by Marc Rayman on 2013/05/02 02:11 CDT
Marc Rayman's latest Dawn journal explains why Dawn is currently closer to the Sun than both Ceres and Vesta.
Dawn journal: Staying warm en route to Ceres
Posted by Marc Rayman on 2013/03/30 10:05 CDT | 4 comments
Marc Rayman's latest Dawn journal explains the temperature adjustments engineers make to save power and keep the spacecraft warm.
Dawn journal: Revisiting orbital mechanics
Posted by Marc Rayman on 2013/03/01 09:02 CST | 1 comments
Now that Dawn has changed its speed by nearly eight kilometers per second, Marc Rayman revisits the concept of orbital velocity.
Dawn journal: Vesta's mountains, gorges and craters
Posted by Marc Rayman on 2013/01/31 06:09 CST | 1 comments
As Dawn continues thrusting toward Ceres, Marc takes a look back at the intrepid spacecraft's discoveries.
Dawn Journal: faraway viewing through the mind's eye
Posted by Marc Rayman on 2013/01/02 04:38 CST
As Dawn treks onward to Ceres, its path will cross within a few degrees of the moon as seen from Earth on Jan. 21-22.
Dawn journal: hydrazine haste makes waste
Posted by Marc Rayman on 2012/12/05 11:02 CST | 1 comments
By saving fuel, Dawn will arrive at Ceres in 2015 with about half of the 45.6-kilogram (101-pound) hydrazine supply it had when it rocketed away from Cape Canaveral.
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