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Mike Brown
Astronomer, planet hunter, Pluto killer, bear whisperer, Finger-wrapped dad.
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Mike Brown Jun 19
Replying to @plutokiller
For more details you'll have to wait until July. Leaving this time. Really. Promise.
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Mike Brown Jun 19
Replying to @BadAstronomer
but, hey, they have new DATA! new data are always good. I'll think about it in July.
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Mike Brown Jun 19
Replying to @_soph1ewidsor
does he have a hot tub? they love those.
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Mike Brown Jun 19
Replying to @FishEcon
100% agree. also physics.
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Mike Brown Jun 19
I'm on vacation. Don't judge my lack of tweet-threading skills.
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Mike Brown Jun 19
Replying to @plutokiller
But no one was thinking about P9 back when their survey was designed.
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Mike Brown Jun 19
Replying to @plutokiller
so I'd say the OSSOS paper is relatively neutral for Planet Nine. Which is too bad. A different survey strategy could have been definite.
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Mike Brown Jun 19
Replying to @plutokiller
Luckily, just last week I posted that paper showing, in fact, that the combination of previous surveys does a great job w/perihelion cluster
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Mike Brown Jun 19
Replying to @plutokiller
they then make the leap to say that therefore it is probably true that NO survey is good for understanding perihelion clustering.
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Mike Brown Jun 19
Replying to @plutokiller
the take home message is that, sadly, OSSOS is not so good for understanding perihelion clustering. which makes sense.
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Mike Brown Jun 19
Replying to @plutokiller
they demonstrate nicely that their survey is strongly biased. I would 100% agree; they look in limited places in the sky, that makes biases.
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Mike Brown Jun 19
Planet Nine fans! OK, so I'm on vacation but I haven't quite left for the airport yet, so a quick take on the new OSSOS paper.
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Mike Brown Jun 19
short answer is -- i think -- that their survey design ensured striking biases. previous surveys did not suffer the same biases.
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Mike Brown Jun 18
Replying to @plutokiller
the things will not be finished before vacation.
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Mike Brown Jun 18
Lilah treated me for by waking up extra early to go on a hike with me. Because she knows what makes me happy and she's the best.
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Mike Brown Jun 17
Replying to @SETIEric
damnit
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Mike Brown Jun 17
Replying to @plutokiller
all the things did not get finished. the things are being worked on at home today. the things will not be worked on on vacation!
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Mike Brown retweeted
Caltech Jun 16
“Life is best when you live deeply and look up.”—Dr. Mae C. Jemison, physician, engineer, , graduation speaker.
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Mike Brown Jun 16
um, um, um, someone else took the picture? maybe?
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Mike Brown Jun 16
It's graduation speaker (and fellow northern Alabamian) ! Awesome speaker BTW
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