Posted on 01/18/2022 11:33:13 AM PST by zeestephen
At 11:30 AM (PST) - 62,500 miles from L2 - 836,000 miles from Earth - Current speed 555 mph - Speed will decline to about 325 mph before it enters L2 orbit in five days - Temperature of "hot" side has been stable since sun shield deployment, 133F and 50F - Cold side shows modest cooling, minus 340F and minus 330F - When operational, the cold side will be minus 388F - Webb actually has heaters to keep temp loss very slow to protect equipment and to avoid ice forming from any Earth moisture - Currently, Webb is retracting pegs from telescope panels, 7 mm so far, 5.5 mm to go.
(Excerpt) Read more at webb.nasa.gov ...
He is Chelseas real daddy
Webb, Hubble...what’s up with Klintons and telescopes?
"My regular(ish) roundup of space news from January 18th 2022. In addition to the round up of spaceflights we have stories in space medicine, test flights of the largest aircraft, space debris effects and more."Spaceflight Kills Your Blood Cells, SpaceX's Big Balls and Other Deep Space Updates January 18th | January 18, 2022 | Scott Manley
Have they announced what their initial target is for imaging?
Personally, I’ve been doubtful that this thing is going to successfully deploy. Hoping I’m wrong.
They specified at least one planet in our solar system.
Most likely, they will start close in and then focus further and further out.
I am thinking Jupiter or Saturn, maybe Proxima Centauri (the closest star), maybe a globular cluster outside the Milky Way, Andromeda (the closest large galaxy), the North Star, Sirius (the brightest star), a couple constellations and nebula, a comet maybe?
Just really photogenic things that most people have seen or heard about.
They need to fine tune each telescope segment so they all focus on and perfectly reflect the same image.
Whew!
That turned into a long post - did not realize I knew that much about astronomy.
Old guy - way too much free time!
The hubbele imaged the Cat’s Eye nebula years ago. They ended up doing 3 or 4 separate images of it over time, and someone took the 3 images and made an animated gif of it. It’s kinda cool to actually be able to watch it expand over time. I really wish they could commit to a shot every year.
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