Dr. Stella Kafka

@stellakafka

Astrophysicist. Explorer. The sky is NOT the limit :) Opinions are my own.

iPhone: 38.952332,-77.068108
Vrijeme pridruživanja: siječanj 2008.

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  1. 4. velj

    An excellent overview of by the observing section leader Rich Roberts, very eloquently discussing the intricate behavior of this star. Enjoy!

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  2. 3. velj

    Realizing I need new glasses ... yikes...

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  3. 2. velj
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  4. 1. velj

    Binned (6-days) mean light curve of (for those who still care), using V data points from the International Database. It's around V~1.6. Credit to the for their hard work.

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  5. proslijedio/la je Tweet
    30. sij

    At 2:34 pm PST on Jan. 30, 2020, Spitzer Project Manager Joseph Hunt declared the Spitzer spacecraft decommissioned. Farewell, Spitzer. Thank you for the great science. 👋

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  6. 30. sij
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  7. 30. sij
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  8. 30. sij

    From : ‘More than half of children say they sleep with their mobile phone beside their bed’ Me:

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  9. 30. sij

    I love the idea of inclusive dolls. It’s a start... ‘Barbie Celebrates Diversity By Creating Differently-Abled Dolls With Vitiligo And No Hair That Come In 35 Different Skin Tones’ via

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  10. 29. sij

    What on earth is a ???!!!

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  11. 28. sij

    Had the first e-meeting of 2020 with the AAVSO Ambassadors last night. What an amazing, energetic, motivated, inspirational group of people!! Brainstormed for a year of , and within the So, today's mood:

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  12. 27. sij

    I love this gif of at two different dates - it showcases how much it has dimmed. Thank you to for the photos and to for the compilation. Nothing beats the experience of witnessing with one's eyes!

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  13. 26. sij

    ok fine, the mean values are even lower, it dimmed a little more...

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  14. 26. sij

    My succulents are still alive and thriving! So proud of myself 🙌 @ Cambridge, Massachusetts

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  15. 26. sij

    By the way, if you are interested in all aspects of , subscribe to the free newsletter of (or consider contributing). Lots of interesting discussion threads, relevant in all fields (not only )...

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  16. 26. sij
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  17. 25. sij

    Look again: Another awesome bright star which is just discovered by to have an eclipse! New results on old favorites ... and NOT :)

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  18. 25. sij
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  19. proslijedio/la je Tweet
    23. sij

    This Is What We'll See When Betelgeuse Really Does Go Supernova There are a lot of visual signals that will arrive, but the neutrinos come first, then there's a brilliant but brief spike in brightness, then a slow rise to maximum, a fall-off, and more.

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  20. 25. sij
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