Liveblog: SpaceX’s Starship prepares to launch into orbit for the first time.

[Editor's note: This is a liveblog from a *CNBC* event. The timestamp reflects when the event started. Refresh the page for the latest updates.]<br><br>SpaceX is *hoping* to launch Starship into orbit today. It's a big test for the craft that's expected to land humans on the moon and Mars.<br><br>SpaceX Starship test schedule:<br><br>* 7 a.m. ET: Launch window opens<br>* 9 a.m. ET: Launch window closes<br>* 6 a.m. ET: Tanking expected to start<br><br>SpaceX said it has updated the test schedule. Starship is expected to take off at 8:10 a.m. ET.<br><br>* 6:30 a.m. ET: Liquid hydrogen or liquid oxygen tanking is expected to start for the "flight of engines. <br>* 7:45 a.m. ET: Launch prep is expected to start <br>* 8:10 a.m. ET: Liftoff expected<br>* 8:04 a.m. ET: Launch window closes<br><br>The countdown has begun.<br><br>T Minus 8:52: Liftoff is expected in 9 minutes.<br><br>T Minus 8:31: The launch window is 1 hour and 31 minutes old.<br><br>T Minus 7:04: The launch window is now 1 hour and 4 minutes old.<br><br>T Minus 6:30: Liftoff is expected in 6 minutes. <br><br>T Minus 6:21: The launch window is now 1 hour. <br><br>T Minus 5:34: The launch window is now 55 minutes old.<br><br>T Minus 5:23: SpaceX said on its live stream that the launch window is now 53 minutes old. <br><br>T Minus 5:13: The launch window is now 52 minutes old. <br><br>T Minus 5:04: The launch window is now 51 minutes old. <br><br>T Minus 4:43: The launch window is now 46 minutes old. <br><br>T Minus 4:37: The launch window is now 40 minutes old. <br><br>T Minus 4:29: The launch window is now 38 minutes old. <br><br>T Minus 4:21: The launch window is now 36 minutes old. <br><br>T Minus 4:11: The launch window is now 33 minutes old. <br><br>T Minus 3:59: The launch window is now 30 minutes old.<br><br>T Minus 3:49: The launch window is now 28 minutes old.<br><br>T Minus 3:41: The launch window is now 26 minutes old. <br><br>T Minus 3:30: The launch window is now 24 minutes old.<br><br>T Minus 3:26: The launch window is now 22 minutes old.<br><br>T Minus 3:20: The launch window is now 20 minutes old.<br><br>T Minus 3:11: The launch window is now 18 minutes old.<br><br>T Minus 3:01: The launch window is now 16 minutes old.<br><br>T Minus 2:52: The launch window is now 14 minutes old.<br><br>T Minus 2:49: The launch window is now 13 minutes old.<br><br>T Minus 2:40: The launch window is now 11 minutes old.<br><br>T Minus 2:30: The launch window is now 9 minutes old.<br><br>T Minus 2:28: The launch window is now 8 minutes old.<br><br>T Minus 2:22: The launch window is now 6 minutes old.<br><br>T Minus 2:18: The launch window is now 5 minutes old.<br><br>T Minus 2:15: The launch window is now 4 minutes old.<br><br>T Minus 2:09: The launch window is now 3 minutes old.<br><br>T minus 2 minutes: The launch window is now 2 minutes old.<br><br>T Minus 1:56: The launch window is now 55 seconds old.<br><br>T Minus 1:49: The launch window is now 49 seconds old.<br><br>T Minus 1:45: The launch window is now 45 seconds old.<br><br>T Minus 1:42: The launch window is now 42 seconds old.<br><br>T Minus 1:34: The launch window is now 34 seconds old.<br><br>T Minus 1:28: The launch window is now 28 seconds old.<br><br>T Minus 1:20: The launch window is now 20 seconds old.<br><br>T Minus 1:10: The launch window is now 10 seconds old.<br><br>T Minus 1:03: The launch window is now 3 seconds old.<br><br>T Minus 0:56: Launch is expected in 4 seconds. <br><br>T Minus 0:52: Liftoff expected in 1 second. <br><br>Liftoff: SpaceX Starship has lifted off from Starbase. <br><br>— By Ari Levy