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    ESA > Space in Images > SSA

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    In addition to aurora, one significant influence of solar activity is seen in disturbances in satellite navigation services, like Galileo. 01 February 2018 Rainbow aurora 4648 Votes: 97
    In Europe's economy today, numerous sectors can potentially be affected by space weather. These range from space-based telecommunications, broadcasting, weather services and navigation, through to power distribution and terrestrial communications, especially at northern latitudes. 25 January 2018 Space weather effects 6139 Votes: 135
    On 14 November 2017 at about 16:45 GMT a football-sized meteoroid entered Earth’s atmosphere about 50 km northeast of Darmstadt, Germany. 16 November 2017 Autumn fireball 16919 Votes: 173
    To ensure a robust capability to monitor, nowcast and forecast potentially dangerous solar events, ESA's SSA programme has initiated the assessment of two possible future space weather missions. 10 November 2017 Future lagrange mission 676 Votes: 5
    The Space Surveillance and Tracking (SST) segment of ESA's Space Situational Awareness (SSA) Programme is currently using a Testbed Telescope – seen here installed at the Agency’s existing tracking station site in Cebreros, Spain – to test space debris tracking techniques and software. 08 November 2017 Testbed telescope 30 Votes: 0
    According to ESA's Space Debris Office, in almost 50 years of space activities, more than 5200 launches have placed some 7500 satellites into orbit, of which about 4300 remain in space; only a small fraction − about 1200 − were still operational as of January 2017 08 November 2017 Space debris 62 Votes: 0
    Diagram of the Lagrange points associated with the Sun-Earth system. 02 November 2017 Lagrange points 744 Votes: 1
    The objective of ESA's SSA Space Weather Segment is to provide owners and operators of critical spaceborne and ground-based infrastructure timely and accurate information to enable mitigation of the adverse impacts of space weather. 01 November 2017 SWE Segment Timeline 163 Votes: 0
    In Europe's economy today, numerous sectors can potentially be affected by space weather. These range from space-based telecommunications, broadcasting, weather services and navigation, through to power distribution and terrestrial communications, especially at northern latitudes. 01 November 2017 Space weather effects 555 Votes: 4
    A bright fireball – popularly known as a ‘shooting star’ – was spotted over the Netherlands and Belgium on 21 September at 21:00 CEST (19:00 GMT). 05 October 2017 Shooting star 4438 Votes: 74
    On 1 September 2017, at 12:05 GMT (14:05 CEST), the rocky near-Earth asteroid 3122 Florence made a relatively close approach to Earth, passing by at 7 060 160 km, or about 18.4 lunar distances. 04 September 2017 3122 Florence 1571 Votes: 23
    A small asteroid flying past Earth on 12 October will provide scientists with a valuable opportunity to learn more about its orbit and composition. 10 August 2017 Asteroid 2012 TC4 will fly past Earth in October 2017 19045 Votes: 214
    21 June 2017 Looking at Earth from an Asteroid 510 Votes: 8
    Trail of the Chelyabinsk asteroid crossing Russian skies on 15 February 2013 21 June 2017 Chelyabinsk asteroid 4773 Votes: 118
    24 May 2017 Lunar impact flash 363 Votes: 2
    Concept for ESA's future space debris surveillance system employing ground-based optical, radar and laser technology as well as in-orbit survey instruments. 26 April 2017 Surveillance network 230 Votes: 2

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    19 April 2018 Hubble's 28th birthday picture: The Lagoon Nebula 8523 Votes: 195

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