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+--- Thread: Discoveries using the telescopes on Mauna Kea (/showthread.php?tid=17412)
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RE: Discoveries by the telescopes on Mauna Kea - TomK - 06-25-2019
"An asteroid would have little movement across the background of stars when it’s headed straight toward us, right?"
Good question. Even if the asteroid were heading straight towards Hawaii, the rotation of the earth would provide quite a large baseline for something close to Earth, so you would see it move with respect to the background stars. I don't know exactly how ATLAS and Pan-STARRS schedule their observations but would be very surprised if they look at the same piece of sky at the same time every night for this very reason.
RE: Discoveries by the telescopes on Mauna Kea - TomK - 06-28-2019
"Hawaiian names approved for 2 asteroids"
https://www.hawaiitribune-herald.com/2019/06/29/hawaii-news/hawaiian-names-approved-for-2-asteroids/
"The International Astronomical Union has officially accepted Hawaiian names chosen by students to name two asteroids within our solar system.
Hawaiian immersion students chose the names Kamo'oalewa and Ka'epaoka'awela for two recently-discovered asteroids during the 2018 A Hua He Inoa pilot program in 2018. That program, a collaborative effort by the the Universtiy of Hawaii at Hilo’s Imiloa Astronomy Center, seeks to weave traditional indigenous practices into the astronomical naming process."
RE: Discoveries by the telescopes on Mauna Kea - dan d - 06-29-2019
One neo was named after. Our whaco vp cliff livermore.
I think it was kalipono 9r something. Cool
HPP
RE: Discoveries by the telescopes on Mauna Kea - TomK - 06-29-2019
"Astronomers Make History In A Split Second"
For the first time ever, the precise location of what's known as a "fast radio burst" has been achieved using a number of telescopes around the planet including the Keck Observatory on Mauna Kea. These mysterious radio bursts only last for milliseconds and clearly come from a very energetic event, but what that actual event is remains a mystery. Now that the location of one of them has been pinned down, attempting to understand their cause has been made a lot less complicated.
http://www.keckobservatory.org/frb-askap/
"The galaxy from which the burst originated was then imaged by three of the world’s largest optical telescopes – W. M. Keck Observatory, Gemini South, and the European Southern Observatory’s Very Large Telescope – and published online today in the journal Science.
“This is the big breakthrough the field has been waiting for since astronomers discovered fast radio bursts in 2007,” said CSIRO lead author Keith Bannister."
RE: Discoveries by the telescopes on Mauna Kea - TomK - 07-04-2019
"Spiraling Filaments Feed Young Galaxies"
It's always been a bit of a mystery as to how young galaxies that we seem forming billions of years ago have such a high rate of star formation. A lot of gas is needed to create the stars and the galaxies on their own cannot provide enough material to sustain such a high rate of star formation. However, recent observations using the Keck Observatory on Mauna Kea show that these galaxies receive this material from cold gas streaming into them from the inter-galactic medium.
http://www.keckobservatory.org/spiraling-gas/
"Galaxies grow by accumulating gas from their surroundings and converting it to stars, but the details of this process have remained murky. New observations, made using the Keck Cosmic Web Imager (KCWI) at W. M. Keck Observatory in Hawaii, now provide the clearest, most direct evidence yet that filaments of cool gas spiral into young galaxies, supplying the fuel for stars.
“For the first time, we are seeing filaments of gas directly spiral into a galaxy. It’s like a pipeline going straight in,” says Christopher Martin, a professor of physics at Caltech and lead author of a new paper appearing in the July 1 issue of the journal Nature Astronomy. “This pipeline of gas sustains star formation, explaining how galaxies can make stars on very fast timescales.”"
RE: Discoveries by the telescopes on Mauna Kea - TomK - 07-05-2019
"Maunakea Scholar wins $10,000 Manoa astronomy scholarship"
A nice story about an Hawaiian student receiving a scholarship to pursue his dream of working on Mauna Kea. He showed an understanding that in order to do his research, he needed observations at other wavelengths, therefore, requiring the use of more than one telescope. That's exactly why there are several observatories on Mauna Kea.
The best of luck to "JC".
https://www.hawaii.edu/news/2019/07/05/maunakea-scholar-awarded-scholarship/
RE: Discoveries by the telescopes on Mauna Kea - randomq - 07-06-2019
I wonder what the TMT will "discover" when they finally come online. There must be some particularly hard to observe things queued up...
RE: Discoveries by the telescopes on Mauna Kea - Old Croc - 07-06-2019
Doesn't an asteroid become reclassified as a meteor when it enters the atmosphere?
RE: Discoveries by the telescopes on Mauna Kea - TomK - 07-06-2019
If it's small enough and burns up in the atmosphere, yes.
RE: Discoveries by the telescopes on Mauna Kea - TomK - 07-06-2019
randomq - if you go to https://www.tmt.org/page/science-themes you'll see what they are hoping to do and discover.