What is Gravitational Lensing? Infinite Minute #12
I recently made this short video for a teacher wanting to demonstrate how gravitational lensing works by simulating a Saturn-sized black hole passing through the inner harbor of Baltimore.
The search for planets around other stars is heating up. So far, there are over 4,000 confirmed exoplanets. What would the Earth look like in one of these searches?
You'll need to really turn up your volume to get the joke. This played well on my computer, but I can barely hear the Jaws music on a laptop.
Ooops.
Can you guess which part of this I narrated?
Well Space Fans, I've been looking into this whole 2012 thing like you asked and have written several scripts that deal with each of the main points of the whole 2012 thing.
To put it kindly, most of the 2012 analyses I've read and listened to are incomplete and full of biases, but I'll address that in other videos.
As always on the Deep Astronomy channel, we Space Fans are interested in perspective. Here is my first attempt to provide perspective for you.
If I get one email from someone worrying about the Earth getting swallowed by a black hole... well... just don't, OK? I may lose all faith in humanity...
Remember Space Fans, always think for yourself. Whomever you let do it for you will not do as good a job.
*** ADDED BEFORE I GET FLAMED TO DEATH ABOUT USING THE DR. KAKU FOX INTERVIEW ***
I know that Dr. Kaku does not support any of the 2012 hype. I know that. He knows that. But do you think people who are trying to get accurate information about 2012 (and who don't know of him) know that?
The point I was trying to make is that Dr. Kaku's words are being used against him. He does not support any of the theories on this topic, yet they are being distorted in a way that make it seem like he does.
I think he made a big mistake doing this interview and saying things the way he did. I was able to make him look like a 2012 supporter in just a few seconds.
He is a good scientist, and I respect him very much, but he needs to be very careful how he says things on this topic.
This interview is a symbol of the central problem with 2012: people pick and choose what they want to hear that support their analysis and ignore the rest.
I hope I don't come to regret injecting myself in this topic, emotions are so raw...
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https://www.youtube.com/watch?v=ZVdFJiLTFd4
One of the world's largest and most innovative ground-based observatories is scheduled to come online in 2023 and promises to offer views of the heavens that will help our understanding of the universe like no other.
This 8.4 meter telescope will feature a 3200 megapixel camera, the highest resolution so far, take images of the entire night sky several time a week generating 20 terabytes of data every night.
Let's get together and talk about what this telescope will do, and how it will help us understand the night sky like no other telescope.
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Faster than light neutrino paper:
http://arxiv.org/abs/1109.4897
Look at trackbacks to see all the linking articles to it. Best explanation is the ars techica one:
http://arstechnica.com/science/news/2011/09/neutrino-experiment-sees-them-apparently-moving-faster-than-light.ars?
CERN Press release:
http://public.web.cern.ch/press/pressreleases/Releases2011/PR19.11E.html
Good blog post:
http://blog.vixra.org/2011/09/19/can-neutrinos-be-superluminal/
Sean Carroll's Blog Post:
http://blogs.discovermagazine.com/cosmicvariance/2011/09/23/faster-than-light-neutrinos/
Video Press Release:
http://cdsweb.cern.ch/collection/Video%20Lectures
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https://www.youtube.com/watch?v=yM4Ol4aEcng
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Links to this week's stories:
TESS Cameras Focus Problems:
http://spacenews.com/cameras-on-nasa-exoplanet-spacecraft-slightly-out-of-focus/
Dark Energy Survey makes details dark matter map:
http://news.fnal.gov/2017/08/dark-energy-survey-reveals-accurate-measurement-dark-matter-structure-universe/
New storm appears on planet Neptune:
http://www.keckobservatory.org/recent/entry/new_storm_makes_surprise_appearance_on_neptune
AAS Eclipse glasses warning:
https://aas.org/media/press-releases/aas-offers-updated-advice-safely-viewing-solar-eclipse
NASA Eclipse 2017 viewing guidelines:
https://eclipse2017.nasa.gov/sites/default/files/Solar_Eclipse_Safety_RTFv14.pdf
Some Reputable Solar Filter Dealers:
https://eclipse.aas.org/resources/solar-filters
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Here are the links for this week's stories:
Hitomi Tumbling out of control:
http://phys.org/news/2016-03-japan-bl...
http://phenomena.nationalgeographic.c...
http://www.space.com/32392-japanese-h...
http://spacenews.com/japanese-astrono...
http://www.extremetech.com/extreme/22...
http://gizmodo.com/japan-s-lost-black...
https://www.nasa.gov/feature/goddard/...
Jupiter Impact?
https://www.youtube.com/watch?v=4LiL7...
https://www.youtube.com/watch?v=HakDI...
http://www.skyandtelescope.com/astron...
ALMA Captures planet-forming disk around sun-like star
http://www.eso.org/public/news/eso1611/
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https://www.youtube.com/watch?v=O8S8aLMhvfg
Watch this video to finish where this discussion got cut off: https://www.youtube.com/watch?v=OmKgUtBj-Cw
What happens if two black holes collide? Scientists have found evidence that such an event took place during the merging of two galaxies. The result? New observations show that a monster black hole was actually ejected from such a collision site, being given a kick from gravitational waves from the collision. The amount of energy required is enormous! Probably the equivalent energy of 100 million supernovas exploding simultaneously. Observations show that the runaway black hole is the most massive ever found so distant from its origin.
Join Tony Darnell and Carol Christian during Afternoon Astronomy Coffee as they discuss with Marco Chiaberge (Space Telescope Science Institute), Eileen Meyer (University of Baltimore, Baltimore County) and Grant Tremblay (Yale University) as they discuss the discovery and observations of this remarkable event and how they arrived at the exciting result that the black hole was kicked out with gravitational waves.
Follow along here: http://hubblesite.org/news_release/news/2017-12
Paper here:
http://imgsrc.hubblesite.org/hvi/uploads/science_paper/file_attachment/231/3c186.pdf
LIGO Hangout from last year:
https://www.youtube.com/watch?v=YYBLlxMrzN8
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Sometimes an image just takes my breath away and I stare at it for hours. This video was inspired by this astronomy picture of the day:
http://apod.nasa.gov/apod/ap111107.html
Music used:
http://www.jamendo.com/en/album/60457
Track: Return of the King
Artist: Zero-project
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https://www.youtube.com/watch?v=lC95q32X9Vw