Alan Fitzsimmons

@FitzsimmonsAlan

Astronomer looking at comets asteroids & weird interstellar objects. Can eat hard boiled eggs with chopsticks. Views, opinions & profanity all my own.

Belfast, Northern Ireland
Vrijeme pridruživanja: siječanj 2012.

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  1. Prikvačeni tweet
    14. pro 2018.

    Last night when we opened up we were worried our first calibration star was behind the Moon

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  2. 28. stu 2019.

    Hello again Twitter. Hera Mission officially approved, we're joining our friends and colleagues in testing planetary defence. Thanks for all the messages!

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  3. proslijedio/la je Tweet

    Two comets spotted within 5 days with ATLAS (). Discovered by, and named after, staff! Welcome Comet Young (, ) and Comet Smith (, )!

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  4. 2. svi 2019.

    I know who I'll be voting for today

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  5. proslijedio/la je Tweet

    Celebrating by looking back on the most incredible view of Earth I’ve ever seen – from the Moon!

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  6. 19. tra 2019.

    Today, I surprised a slug having lunch

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  7. proslijedio/la je Tweet
    15. tra 2019.

    phase B2 has been approved! We now need the support of participating countries to move quickly into its implementation. One step closer to 🚀☄️

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  8. proslijedio/la je Tweet

    Because the melting point of gold is 1064°C and a wood fire burns at around 600°C

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  9. proslijedio/la je Tweet
    16. tra 2019.

    (3) S&L quoted an uncertainty of the USG data is typically <1 km/s, but that is derived solely from low-speed impacts (10-20 km/s) as we can expect from bound orbits. The "up to 28%" error quoted by S&L is from a 27.8-35.7 km/s impact. (3/n)

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  10. 12. tra 2019.

    Two bangs in one week. Lucky Universe.

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  11. proslijedio/la je Tweet

    in other news: Distance to the Galactic centre update "R0 = 8178 ± 13stat. ± 22sys. pc" and "The redshift term is now detected with a significance level of 20σ with fredshift = 1.04 ± 0.05" GRAVITY Paranal MPE and many other coauthors. Team effort!

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  12. proslijedio/la je Tweet

    I’ve accidentally set up push notifications for the BBC science magazine and it’s like being followed about by an inquisitive but annoying child

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  13. proslijedio/la je Tweet
    12. tra 2019.

    These cards remind me of my gran and her attempts to explain to her friends what it is that I do.

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  14. proslijedio/la je Tweet
    12. tra 2019.

    MISSION UPDATE! All systems are go for the return of Space Rocks London on Saturday, September 21st! Get your early-bird tickets now, and watch this space for some hugely exciting announcements in the coming weeks!

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  15. proslijedio/la je Tweet
    10. tra 2019.
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  16. 11. tra 2019.

    For all non-UK tweeps, the newspapers here make a direct link between the fantastic image from yesterday and the current political status here

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  17. proslijedio/la je Tweet

    People are so excited by the Event Horizon telescope results that both scientists and press are ignoring the coffee in favour of queuing up. Unprecedented.

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  18. 9. tra 2019.

    Celebrating the success today of Dr. Meabh Hyland after successfully defending her PhD thesis on the observational characterisation of TNOs and comets

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  19. 9. tra 2019.
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  20. 8. tra 2019.
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  21. 8. tra 2019.

    Could we owe our existence to the kin of ‘Oumuamua? New paper by Susanne Pfalzner and

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