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Pommerlis

2024 Mar 29 04:11:22
 :easter5:
 

Fafnir

2024 Mar 28 06:20:23
 :easter5:
 

vash99

2024 Mar 27 10:19:38
yeah well at least the chemo my doctor suggested is a lot less harsh than when my mom had it
 

Radkres

2024 Mar 26 10:42:06
I Hope You Come up Negative on Cancer! Chemo is no Fun!  :3flower;
 

vash99

2024 Mar 26 10:14:09
i did the doctor was slightly concerned but its already fading i go back to work next week with limitations and a referral to an oncologist for blood work and possible chemo
 

thelufias

2024 Mar 26 12:06:16
Any bruising should be reported to your Doctor if you didn't know how it got there.
 

vash99

2024 Mar 23 11:02:10
i do im always walking around this part of town it helps but yesterday i saw a big bruise on my abdomen its already fading but it caught me off guard
 

Radkres

2024 Mar 22 12:27:16
Reminder Do Your Home Work Too! Do Not Be My Aunt Who Does nothing unless they are standing There!  :hug:
 

thelufias

2024 Mar 22 09:20:19
That's a good thing vash...they push you...but it's worth it in the end.
 

vash99

2024 Mar 21 09:34:30
im going to msc in olive branch this weekend for me its physical therapy
 

thelufias

2024 Mar 21 04:14:51
Snow Tomorrow....we shall see....if not....we won't see
 

vash99

2024 Mar 19 09:59:20
 :havesum:
 

Fafnir

2024 Mar 19 05:36:57
 :toast:
 

Pommerlis

2024 Mar 19 04:54:08
Renovating is hard work!
 

vash99

2024 Mar 18 09:45:35
the food is overseasoned and they wake u up every two hours to check vitals, blood test , give the occasional tylonol  i got more sleep in one night home last night than four days in the hospital lolon another note i found the fifth incision its a lot longer than the rest and it stings

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Come visit with all in here, have some coffee or your favorite beverage, and have loads of fun. The bar staff and keeper are always here to fill your orders. This is our gathering place where we will share greetings, pass secrets, gossip, and enjoy each other's company.  

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Author Topic: Space Weather  (Read 152787 times)

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Offline sidherose

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Re: Space Weather
« Reply #1150 on: March 18, 2018, 01:23:02 PM »
That's the best part, isn't it? :yes:

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Re: Space Weather
« Reply #1151 on: March 18, 2018, 03:27:51 PM »
Indeed it is.....

Had to go and check the tire......It's low again...though not flat....so I said the heck with it....I went and put the spare on and will drop off the tire in the morning to Pumps.  This way I'm sure it will get done when I want it done....not when they want to come and do it........Didn't realize I had a locking lug so it took me longer to find the special tool for it then it did to switch the tires.  Won't tell you where I found it.....You'd smack me off the side of the head  :tearlaugh: :tearlaugh:

I'll tell you one thing....I didn't realize those damn SUV tires were soooooo heavy.  Good darn thing I stay in shape  :thud:

Offline sidherose

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Re: Space Weather
« Reply #1152 on: March 18, 2018, 03:33:27 PM »
LOL...what? Where it should be?  :tearlaugh:

Yeah! Those suckers are heavy-heavy! Good for you. They did the balancing I take it.

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Re: Space Weather
« Reply #1153 on: March 18, 2018, 03:38:31 PM »
Now here is the real kicker ... went to ye ole book store and you should have seen the number of Steven Hawkings books out in the front and visible.


"But who is stronger, truly, I asked myself, he who continues to wound and bleed himself to please others, or he who refuses any longer to do so?"


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Online thelufias

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Re: Space Weather
« Reply #1154 on: March 18, 2018, 03:51:00 PM »
LOL...what? Where it should be?  :tearlaugh:

Yeah! Those suckers are heavy-heavy! Good for you. They did the balancing I take it.

Exactly.....Right where it should be....never thought to look there though  LOLOLOL.... Even the manual mentioned that's where it would be.....  Must be one of those days.

I take the tire down tomorrow morning and yes...they will balance it for me.  I'll give them credit though...they DID ask if I wanted them to come and pick the tire up today though they won't work on it till tomorrow.....  I said no.....I want to make sure I get MY tire back...and not someone else's....He laughed so I take it that has happened before....

Online thelufias

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Re: Space Weather
« Reply #1155 on: March 18, 2018, 03:56:17 PM »
Now here is the real kicker ... went to ye ole book store and you should have seen the number of Steven Hawkings books out in the front and visible.

Not surprised at all.  I've been watching "How It's Made" on the Science Channel and they have been flashing a Memorial to Stephen Hawkings before every commercial...and his books are mentioned there each time....

Offline sidherose

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Re: Space Weather
« Reply #1156 on: March 18, 2018, 06:38:22 PM »
Exactly.....Right where it should be....never thought to look there though  LOLOLOL.... Even the manual mentioned that's where it would be.....  Must be one of those days.

I take the tire down tomorrow morning and yes...they will balance it for me.  I'll give them credit though...they DID ask if I wanted them to come and pick the tire up today though they won't work on it till tomorrow.....  I said no.....I want to make sure I get MY tire back...and not someone else's....He laughed so I take it that has happened before....



Lol...how did know that? :tearlaugh:

So, you're going to wait while they do it. Good idea!

Offline sidherose

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Re: Space Weather
« Reply #1157 on: March 19, 2018, 05:36:08 PM »
Voyager 1 is still 'ticking' after 37 years! :knightcheer2:



If you tried to start a car that's been sitting in a garage for decades, you might not expect the engine to respond. But a set of thrusters aboard the Voyager 1 spacecraft successfully fired up Wednesday after 37 years without use.

Voyager 1, NASA's farthest and fastest spacecraft, is the only human-made object in interstellar space, the environment between the stars. The spacecraft, which has been flying for 40 years, relies on small devices called thrusters to orient itself so it can communicate with Earth. These thrusters fire in tiny pulses, or "puffs," lasting mere milliseconds, to subtly rotate the spacecraft so that its antenna points at our planet. Now, the Voyager team is able to use a set of four backup thrusters, dormant since 1980.

"With these thrusters that are still functional after 37 years without use, we will be able to extend the life of the Voyager 1 spacecraft by two to three years," said Suzanne Dodd, project manager for Voyager at NASA's Jet Propulsion Laboratory, Pasadena, California.

Since 2014, engineers have noticed that the thrusters Voyager 1 has been using to orient the spacecraft, called "attitude control thrusters," have been degrading. Over time, the thrusters require more puffs to give off the same amount of energy. At 13 billion miles from Earth, there's no mechanic shop nearby to get a tune-up.

The Voyager team assembled a group of propulsion experts at NASA's Jet Propulsion Laboratory, Pasadena, California, to study the problem. Chris Jones, Robert Shotwell, Carl Guernsey and Todd Barber analyzed options and predicted how the spacecraft would respond in different scenarios. They agreed on an unusual solution: Try giving the job of orientation to a set of thrusters that had been asleep for 37 years.

"The Voyager flight team dug up decades-old data and examined the software that was coded in an outdated assembler language, to make sure we could safely test the thrusters," said Jones, chief engineer at JPL.

In the early days of the mission, Voyager 1 flew by Jupiter, Saturn, and important moons of each. To accurately fly by and point the spacecraft's instruments at a smorgasbord of targets, engineers used "trajectory correction maneuver," or TCM, thrusters that are identical in size and functionality to the attitude control thrusters, and are located on the back side of the spacecraft. But because Voyager 1's last planetary encounter was Saturn, the Voyager team hadn't needed to use the TCM thrusters since November 8, 1980. Back then, the TCM thrusters were used in a more continuous firing mode; they had never been used in the brief bursts necessary to orient the spacecraft.

All of Voyager's thrusters were developed by Aerojet Rocketdyne. The same kind of thruster, called the MR-103, flew on other NASA spacecraft as well, such as Cassini and Dawn.

On Tuesday, Nov. 28, 2017, Voyager engineers fired up the four TCM thrusters for the first time in 37 years and tested their ability to orient the spacecraft using 10-millisecond pulses. The team waited eagerly as the test results traveled through space, taking 19 hours and 35 minutes to reach an antenna in Goldstone, California, that is part of NASA's Deep Space Network.

Lo and behold, on Wednesday, Nov. 29, they learned the TCM thrusters worked perfectly -- and just as well as the attitude control thrusters.

"The Voyager team got more excited each time with each milestone in the thruster test. The mood was one of relief, joy and incredulity after witnessing these well-rested thrusters pick up the baton as if no time had passed at all," said Barber, a JPL propulsion engineer.

The plan going forward is to switch to the TCM thrusters in January. To make the change, Voyager has to turn on one heater per thruster, which requires power -- a limited resource for the aging mission. When there is no longer enough power to operate the heaters, the team will switch back to the attitude control thrusters.

The thruster test went so well, the team will likely do a similar test on the TCM thrusters for Voyager 2, the twin spacecraft of Voyager 1. The attitude control thrusters currently used for Voyager 2 are not yet as degraded as Voyager 1's, however.


Voyager 2 is also on course to enter interstellar space, likely within the next few years.

The Voyager spacecraft were built by JPL, which continues to operate both. JPL is a division of Caltech in Pasadena. The Voyager missions are a part of the NASA Heliophysics System Observatory, sponsored by the Heliophysics Division of the Science Mission Directorate in Washington. For more information about the Voyager spacecraft, visit:

https://www.nasa.gov/voyager

https://voyager.jpl.nasa.gov


https://www.jpl.nasa.gov/news/news.php?release=2017-310

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Re: Space Weather
« Reply #1158 on: March 19, 2018, 05:39:37 PM »
:woohoo:


"But who is stronger, truly, I asked myself, he who continues to wound and bleed himself to please others, or he who refuses any longer to do so?"


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Re: Space Weather
« Reply #1159 on: March 19, 2018, 05:52:55 PM »
Sometimes we humans DO build things to last......Unlike our cars, electronics, furniture.....etc.... :tearlaugh: