Similarly, from a great distance, the tops of tall objects like mountains are visible well before their bases.Īnd Earth's curvature is clearly apparent from high altitudes, as Capt. If you've ever watched a ship on the horizon, you've seen this for yourself. There are so many experiments, observations and demonstrations that have, time and time again, revealed the curve of the Earth.Īs objects recede from you, they begin to look smaller and slowly disappear in a very unique way: first their bottoms become hidden, and then their tops. The current mark is 97 minutes, set way back in 1966.īut SpaceX called off Thursday's planned Heavy liftoff, citing the need to " complete vehicle checkouts." The company is now planning to launch the Falcon Heavy mission on Friday night.To put it bluntly, we know more about the curvature of Earth than almost any other topic in the realm of physical science. If the Falcon 9 and Falcon Heavy rockets had both gone up on time Thursday, the 44-minute gap would have been the shortest ever between two launches from the U.S. EDT (0220 GMT on Friday), but SpaceX pushed the attempt back a bit, presumably to wait out the weather. The Starlink launch was originally scheduled to occur Thursday at 10:20 p.m. SpaceX Starlink satellites had to make 25,000 collision-avoidance maneuvers in just 6 months - and it will only get worseįriday's Starlink launch was supposed to be part of a record-breaking doubleheader: SpaceX had been planning to launch its Falcon Heavy rocket from NASA's Kennedy Space Center, which is next door to Cape Canaveral Space Force Station, on Thursday (July 27) at 11:04 p.m. 8 ways that SpaceX has transformed spaceflight SpaceX rocket launches on record-setting 15th mission, lands on ship at sea (video)
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |