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· @busser ·
$9.55
Four planets star system - exact opposite of TRAPPIST-1 system

Last week NASA's presentation of TRAPPIST-1 star system with 7 earth-like planets became kind of sensation. Meanwile, three weeks before, another news about star system with 4 planets went almost unnoticed. The video below is just several second long, but it is direct imaging of moving exoplanets in HR 8799 system, compiled from Keck observatory images, taken since 2009 to 2016. The black circle in the image center is telescope protection, shading the parent star to make planets visible.

https://youtu.be/KVgKidAuf4o

Young Star HR 8799 is 129 light years away, in the constellation of Pegasus. Its mass is 1,5 Sun masses and luminosity  4,9 times higher. Its age is about 30 million years. There are four planets - gas giants, with orbits distances 15, 24, 38, 68 a.u. (1 a.u.=149,6 million kilo

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vote your-acct "busser" "four-planets-star-system-exact-opposite-of-trappist-1-system" 100 true
post_comment your-acct "re-busser-four-planets-star-system-exact-opposite-of-trappist-1-system-20170226t222359290z" "busser" "four-planets-star-system-exact-opposite-of-trappist-1-system" "" "your reply.." "{}" true

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· @lifeworship ·
$0.03
The Fourth Gimbal

https://sydneyscience.com.au/app/uploads/2016/06/Amy-Shira-Teitel-1-e1466657261470-1170x450.jpg

Sometimes I almost can't stand how great living in the future is.
Sometimes watching younger people learn is almost as good as a
full scale epiphany of my own. The vicarious is still runs behind the
empirical inspiration of realization, but epiphany being inconstant,
I'll take what I can get.

There is too much on this internet thing for me to be aware of it all at once.
Sometimes I get caught up in current events and forget to enjoy the past.
So here is what I found today, a space historian and her channel.

Gimbal Lock and Apollo 13

https://www.youtube.com/watch?v=OmCzZ-D8Wdk

image: sydneyscience.com.au/app/uploads/2016/06/Amy-Shira-Teitel-1-e1466657261470-1170x450.jpg
video: www.youtube.com/watch?v=OmCzZ-D8Wdk

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· @zathras ·
$0.01
Newslink: United Arab Emirates Wants to Build a City on Mars

http://www.space.com/images/i/000/063/058/original/C4tzneqXAAAj49o.jpg?interpolation=lanczos-none&fit=around|360:240&crop=360:240;*,*

The United Arab Emirates has the Red Planet in its sights, not only moving forward on a Mars orbiter but also establishing the first inhabitable human settlement on the planet by 2117.

http://www.space.com/35817-uae-city-on-mars-2117-project.html

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vote your-acct "zathras" "newslink-united-arab-emirates-wants-to-build-a-city-on-mars" 100 true
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· @jang ·
$0.01
Earthquake Watch, Supernova Ring | S0 News Feb.26.2017

Eyes open, no fear! - Daily Solar Alerts, World Weather, Space Watch, Earthquake Update and Much More News from Suspicious0bservers... https://img1.steemit.com/0x0/https://assets-cdn.github.com/images/icons/emoji/unicode/1f4a5.png
Be in the Top 1% in Solar Awareness among the Human Species!


astronomy #space #science

Source: http://www.Suspicious0bservers.org
Image credit : www.nasa.gov

Enjoy and Be Safe Everyone!...
If You like this post - Upvote, Follow, Resteem. Thank You!.....:)...
https://steemitimages.com/0x0/https://i.imgsafe.org/ad85aed2dc.png https://steemitimages.com/0x0/https://i.imgsafe.or

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vote your-acct "jang" "earthquake-watch-supernova-ring-or-s0-news-feb-26-2017" 100 true
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· @zathras ·
$0.01
Newslink: Moon Blocks (Most of) the Sun in 'Ring of Fire' Solar Eclipse
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vote your-acct "zathras" "newslink-moon-blocks-most-of-the-sun-in-ring-of-fire-solar-eclipse" 100 true
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· @cryptofinancial · (edited)
$0.00
SpaceX SUNDAY'S 02/19/2017 LAUNCH REPORT for CRS10 & TVC issue

32866357531_69c6d289ed_o_SQUARE.jpg
Despite the rainstorm & cloudy weather in Cape Canaveral the launch was successful on this instantaneous launch window.
This was the inaugural launch from PAD 39 A, for Falcon9 & Dragon, this pad was previously used by Nasa for Apollo missions.
It was the 10th resupply service mission to the ISS- International Space Station by SpaceX.

Yesterday 02/18/2017, the mission was aborted at the 13 second mark, the cause was the second stage TVC actuators “out of family” data. TVC stands for Thrust Vector Control and was very well explained by Bill Carton on SpaceX facebook group.
The actuators gimbal the single engine of the 2nd stage, which gives pitch and yaw controls.
This morning Spacex employees did some testing, mainly wiggle tests, both primary and backup actuators performed as expected.
Here is what Bill had to say about TVC issue.

Thrust Vector Control

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