Jan Hattenbach

@JanHattenbach

Astronomy & Science Journalist, Amateur Astronomer, Space Enthusiast. Tweets in English, German and sometimes Spanish.

La Palma, Spain
himmelslichter.net
Joined October 2012
1,747 Photos and videos Photos and videos

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  1. Retweeted
    2 hours ago

    @ Amazing full dome simulation of Sgr A*, by the group of , in ’s planetarium presentation.

    1 reply 8 retweets 11 likes
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  2. Retweeted
    Mar 24

    The back-and-forth shift in estimated reentry date clearly mirrors the periodicity in estimated apparent drag area (= in reality a periodic variability in atmospheric density):

    1 reply 2 retweets 5 likes
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  3. Retweeted
    Mar 24

    My latest estimates for (from 2 methods): SatAna/SatEvo: 2.6 April +- 2.4 days GMAT: 3.6 April +- 2.6 days

    2 replies 38 retweets 54 likes
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  4. Mar 24

    Heute ist ! Eine Übersicht über alle Veranstaltungen stehen auf

    4 retweets 2 likes
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  5. Retweeted
    Mar 24

    Nachträglicher Reality-Check: Da Medien für letztes Wochenende einen "schweren" Sonnensturm angekündigt hatten - bei wem von euch ist denn tatsächlich ein Kraftwerk oder Satellit ausgefallen? Oder wenigstens der Toaster. Ich bitte um Handzeichen.

    48 replies 42 retweets 125 likes
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  6. Retweeted
    Mar 23

    at the private observatory of Manfred Böhler.

    1 reply 2 retweets 11 likes
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  7. Retweeted
    Mar 23

    Today we celebrate our National Astronomy Day, with this wonderful picture of our sky from Las Campanas Observatory. (via yuribeletsky | IG)

    , , and
    1 reply 72 retweets 129 likes
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  8. Retweeted
    Mar 23

    Para los que madrugan, el cielo tiene un premio. Mira hacia el sur y veras Júpiter, Marte y Saturno. Marte continúa moviéndose hacia el este, y el 2 de abril alcanzará a Saturno y lo adelantará por debajo. Una brillante luna llena despide el mes de marzo.

    1 reply 43 retweets 53 likes
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  9. Mar 22

    No decision on vs. before November, according to

    3 retweets 2 likes
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  10. Retweeted
    Mar 21

    Weltweit einzigartige Radarabbildungen von Tiangong-1! Forscher des Fraunhofer FHR begleiten Wiedereintritt der chinesischen Raumstation Tiangong-1

    2 replies 74 retweets 147 likes
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  11. Retweeted
    Mar 20

    The Four Stages of Procrastination (Via )

    25 replies 407 retweets 1,289 likes
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  12. Retweeted
    Mar 21

    Stadt will die Neckarwiese "taghell ausleuchten". ist offenbar kein Thema im Rathaus. Eine unzeitgemäße und ärgerliche Idee.

    6 replies 11 retweets 21 likes
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  13. Retweeted
    Mar 20

    Hawking’s “Final Theory” is not groundbreaking by

    6 retweets 15 likes
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  14. Retweeted
    Mar 20

    Nothing has been decided so far ... but it looks increasingly likely that the will become a instead, sources indicate to me today. Would like to be a fly on the wall in the respective board meetings ... or may be not: it'll be a very painful decision ...

    2 retweets 2 likes
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  15. Mar 20

    , ,

    1 like
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  16. Retweeted
    Mar 19

    Today's state of (agency-independent) -ology: + + = either April 2 or April 3, with error bars of +/- 4 or 5 days -> thus we have remarkably close agreement ~2 weeks prior to the expected reentry.

    My latest estimate for : 3 April +- 4 days Consolidated daily estimates:
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    2 retweets 2 likes
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  17. Mar 19

    , , , March 19, from Las Tricias, , , ,

    6 retweets 18 likes
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  18. Mar 19

    telescope prototype update shot, March 18, 2018.

    4 retweets 13 likes
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  19. Retweeted
    Mar 19

    Suchen Sie Tipps + Tricks zur hochauflösenden und mit einem Videomodul? Wolfgang Paech gibt einen Überblick zum "Workflow" mit Schmidt-Cassegrain Teleskope und Baader Zubehör auf

    2 retweets 3 likes
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  20. Mar 19

    Take a look at the cosmic evening trio *tonight*, March 19: , and , due west, after sunset (image is a simulation, real pictures later, hopefully)!

    1 reply 2 retweets 6 likes
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