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Find out more about
#Estrack network, and discover, in real time, which spacecraft each#groundstation is ‘talking’ to with#EstrackNow
https://www.esa.int/Enabling_Support/Operations/Estrack/ESTRACK_now_-_the_guide …pic.twitter.com/McmuvnRdKAPrikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
The perfect alignment of events made this ESA first possible:
two spacecraft close in the sky
both able to receive signals at different wavelengths
a deep space station able to send both ‘telecommand’ signals simultaneously
https://sci.esa.int/web/mars-express/-/57865-looking-at-the-limb-of-mars-with-vmc …pic.twitter.com/p0EUQi9JTdPrikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
The
#NewNorcia#groundstation test, the first of its kind, saw the deep dish use both of its transmitters at the same time to control Mars Express and ExoMars TGO. Speaking to#MarsExpress in the 'S-band' and@ESA_TGO in the 'X-band', ensured the messages did not interferepic.twitter.com/kHZt1Izoak
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Called ‘Multiple Spacecraft Per Aperture’
#MSPA, the technique is used routinely by ESA’s#Estrack and@NASA's@dsn_status But MSPA only works one way. While the ground station can receive data from multiple spacecraft, it can only ‘speak’ to one at a time#MessagesFromEarthpic.twitter.com/uNtCS79XcS
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When several spacecraft are located in one part of the sky (all in orbit around Mars for example), it's possible for an antenna to ‘see’ all of these spacecraft at once. As ESA
#groundstations have four receivers, they can receive data from up to four spacecraft simultaneouslypic.twitter.com/V4NahVooZz
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The vast majority of conversations between Earth and space involve one antenna on the ground, one
#spacecraft in orbit or out in the Solar System, and signals at a particular frequency going between the two#SpaceOnEarth#MessagesFromEarthpic.twitter.com/KUcqQzHMWY
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Late on Thursday 30 January, the 35-metre
#NewNorcia dish in Western Australia ‘spoke’ to#MarsExpress and the ExoMars Trace Gas Orbiter (TGO). Talking with two voices at two different frequencies ensured the signals sent didn't interfere with each otherpic.twitter.com/8gSjWOZXoi
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For the first time, ESA has controlled two of its Martian space missions simultaneously with one deep dish antenna Find out more
http://www.esa.int/Enabling_Support/Operations/First_time_controlling_two_spacecraft_with_one_dish …
#SpaceOnEarth
#MessagesFromEarthpic.twitter.com/JWZeVAAAGUPrikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
ESA Operations proslijedio/la je Tweet
The
@NASA/@esa/@csa_asc James Webb Space Telescope is the most ambitious and complex#space#science telescope ever constructed. To learn more about the European Space Agency's involvement in this extraordinary project, visit https://sci.esa.int/jwst/#JWST#Webb#FirstTweetpic.twitter.com/qy48u3JQJB
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ESA Operations proslijedio/la je Tweet
.
@esa‘s Rolf Densing kicks off#applied#Quantum#conference at#Darmstadt together with us and@FAIR_GSI_en - great examples by academia and industry to be discussed today https://indico.gsi.de/event/9819/timetable/#20200204.detailed …pic.twitter.com/hnR3Y12zkr
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There's a
#quantum conference happening right now at ESOC#missioncontrol! No, it's not extremely tiny. Organised by ESA,@FAIR_GSI_de and@merckgroup the conference will explore how quantum computing can provide real world technological solutions#Innovationpic.twitter.com/jOZXkWFtRf
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ESA Operations proslijedio/la je Tweet
Launch of
#SolarOrbiter delayed to 05:03 CET on Monday, 10 February (23:03 EST on Sunday, 9 February). The#SolarOrbiter SocialSpace event will take place as planned on Friday 7 February.
Attendees, please check your email!
pic.twitter.com/Kgu87AV3MB
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Despite this latest launch delay, the
#SolarOrbiter#SocialSpace event will take place as planned on Friday 7 February. Attendees are also invited to join us at mission control for the Solar Orbiter launch on 10 February.
An email has been sent to all attendees with more infohttps://twitter.com/esascience/status/1223165612433772544 …
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ESA Operations proslijedio/la je Tweet
#ESATech image of the week: the hollow cell structure of this 1.5 tonne building block, made by#3Dprinting of simulated#moondust at#ESTEC in#NL, makes it strong yet light - perfect for constructing a future#Moon village http://www.esa.int/ESA_Multimedia/Images/2020/01/3D-printed_block_of_moondust …pic.twitter.com/bJtsq1PaeF
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ESA Operations proslijedio/la je Tweet
As part of the way Earth works as a system, carbon is continuously passed between the ocean, the land and the atmosphere. Satellites can help us understanding the carbon cycle and its role in climate change: http://www.esa.int/ESA_Multimedia/Videos/2018/02/Carbon_Cycle#.XirJP20un5M.link …pic.twitter.com/jg3uOuzm2f
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ESA Operations proslijedio/la je Tweet
We got the idea from a
#caveman... Find out why our new@ESASolarOrbiter mission to survey the#Sun ended up coated in black burnt bone#WeAreAllSolarOrbiters https://www.esa.int/Enabling_Support/Space_Engineering_Technology/Paint_it_black_Stone_Age_sunscreen_for_Solar_Orbiter …pic.twitter.com/YGYgbpatsSHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
ICYMI Green fireball lights up Cornish skies

https://twitter.com/esaoperations/status/1222527908587196416 …
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ESA Operations proslijedio/la je Tweet
On 21 January, a
#fireball - a meteor brighter than the planet Venus - streaked across the sky with a bright green trail. The fleeting flash was captured in this impressive shot by photographer Chris Small of Ocean & Earth Photography, Cornwall, UK
http://www.esa.int/ESA_Multimedia/Images/2020/01/Cosmic_caller_goes_out_with_a_bang …pic.twitter.com/DAlD76MTJZ
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On 21 January, a foreign body crashed to Earth causing a cascade of bright green light to trail through the sky. The fleeting flash was a
#fireball - a meteor brighter than the planet Venus. Find out more
http://www.esa.int/ESA_Multimedia/Images/2020/01/Cosmic_caller_goes_out_with_a_bang#.XjGWgSWKuY0.link …
Chris Small, Ocean and Earth Photographypic.twitter.com/KmO56g3PoG
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