SpaceX Polaris Dawn is a historic and risky mission
Update: This morning’s scheduled launch of Polaris Dawn was scrubbed due to a ground-side helium leak and has been rescheduled for 3:38 AM on August 28th. Polaris Dawn will launch on Tuesday no earlier than 3:38 AM EDT. There is a four-hour launch window and an additional launch window the following day. Despite launching from … Read more