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|  Message 889  |
|  Wilfred van Velzen to August Abolins  |
|  Re: The James Webb Space Telescope  |
|  27 Dec 21 21:59:03  |
 TID: FMail-lnx64 2.1.0.18-B20170815 RFC-X-No-Archive: Yes TZUTC: 0100 CHRS: UTF-8 2 PID: GED+LNX 1.1.5-b20161221 MSGID: 2:280/464 61ca2997 REPLY: 2:460/256 00000347 Hi August, On 2021-12-27 20:55:34, you wrote to me: AA> How can it be 25% of it's distance at day 3, when it only enters L2 in AA> it's 29th day? I explained that in a previous message: It's slowing down... WV> It will take about 29 days to get there. It will take so long to get WV> there, because there is no propulsion anymore (except for some short WV> burns for course corrections). It's in the balistic fase on it's path WV> to it's destination, and because of the gravitational pull of the WV> earth it's constantly slowing down slightly. Its speed now is about WV> 1.7 km/s relative to earth, while during the launch fase it topped at WV> about 10 km/s... Bye, Wilfred. --- FMail-lnx64 2.1.0.18-B20170815 * Origin: FMail development HQ (2:280/464) SEEN-BY: 30/0 80/1 103/705 105/81 124/5016 129/305 153/757 203/0 221/0 SEEN-BY: 221/1 6 229/426 428 664 700 240/1120 5832 261/38 280/464 SEEN-BY: 282/464 1038 292/8125 301/0 1 101 113 812 310/31 322/757 SEEN-BY: 341/234 396/45 423/120 460/58 712/848 920/1 5058/104 PATH: 280/464 301/1 229/426 |
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