The aperture sizes of a lot of existing and planned large telescopes are shown in the following diagram. The mirror for this one is at the top right in blue.
The aperture sizes of a lot of existing and planned large telescopes are shown in the following diagram. The mirror for this one is at the top right in blue.
Good news. I thought this telescope was moving to Sri Lanka to avoid the loony leftists.
How much does the federal, state and local permits and licenses, and the bribes to the officials, to get all those permissions, approvals, inspections, authorizations, court hearings, legal fees, cost, before the first survey stake is driven?
wuz up there about 10 years ago. kind of strange to go from jungles to snowfields over a two hour drive.
the hike to the top left me winded. views were breathtaking too.
we didn’t get to look through the telescopes.
Continents drift faster than governments can make decisions.
Its peak is 13,803 ft above sea level, making it the highest point in the state of Hawaii. Most of the volcano is underwater, and when measured from its oceanic base, Mauna Kea is the tallest mountain in the world, measuring over 33,000 ft in height.I had no idea that there were GLACIERS on Hawaii as recently as 13,000 years ago! How do the Global Warming Kooks explain their disappearance?Mauna Kea is about a million years old, and has thus passed the most active shield stage of life hundreds of thousands of years ago. In its current post-shield state, its lava is more viscous, resulting in a steeper profile. Late volcanism has also given it a much rougher appearance than its neighboring volcanoes due to construction of cinder cones, decentralization of its rift zones, glaciation on its peak, and weathering by the prevailing trade winds.
Mauna Kea last erupted 6,000 to 4,000 years ago and is now considered dormant. The peak is about 125 ft higher than Mauna Loa, its more massive neighbor.
With its high elevation, dry environment, and stable airflow, Mauna Kea's summit is one of the best sites in the world for astronomical observation. Since the creation of an access road in 1964, thirteen telescopes funded by eleven countries have been constructed at the summit.
There are three episodes of glaciation that have been recorded from the last 180,000 years: the Pōhakuloa (180–130 ka), Wāihu (80–60 ka) and Mākanaka (40–13 ka) series. These have extensively sculpted the summit, depositing moraines and a circular ring of till and gravel along the volcano's upper flanks. Subglacial eruptions built cinder cones during the Mākanaka glaciation, most of which were heavily gouged by glacial action. The most recent cones were built between 9,000 and 4,500 years ago, atop the glacial deposits, although one study indicates that the last eruption may have been around 3,600 years ago.
At their maximum extent, the glaciers extended from the summit down to between 10,500 and 12,500 ft of elevation. A small body of permafrost, less than 25 m (80 ft) across, was found at the summit of Mauna Kea before 1974, and may still be present.
I hope it's truly dormant. The loss of all those observatories at the summit would be immense.
5 billion will be the cost by the time all the graft gets factored in.
That’s great! This is a very dark spot and wd be perfect.
This weekend, I’m going to a state park in Georgia that is a “certified Dark Skies” site. It’s near the Okefenokee, so there’s no light nearby, although there’s a glow on the southern horizon that is probably Jacksonville (FL). There’s a ranger talk on new moon nights when you can see every star in the sky!
The twin Keck are really big.
This puts it in scale.
WOW.
Most of the article is just PC babble about the environmental impact, and almost zero technical details about the actual telescope. Hooray for modern journalism!
An amazing piece of technology, beautiful.
IIRC, there is a local content agreement, most of the components will be manufactured in Hawaii.
The manufacturing facilities will need to be built...
Many, many jobs! And training.
From the comments:
***Nice pics of the white people that will be protesters. They read and talk about what to say when asked why they are there. Otherwise they will cover their face and grunt.
***Kanuha. Why are you an idiot? How you can open your mouth and whine about how the land is treated, when locals are pretty much the only ones living like pigs, trashing the land, littering, collecting junk cars. Your Native Hawaiians are the worst at treating the land with disrespect. How many times have I said this: When I worked the Kalapana Lava Fields, quite often I was the closing security. Every car that tried to enter after closing were argumentative locals......NO whites. All they did was go hide and go in after we left. Every following day the parking area and the road to the end was littered with dozens of broken beer bottles and empty beer wrappers and other trash. YOUR people did it.
Guy I used to work with moved to Maui and did service and such on the Keck scopes for years, he sent photos of first light on the first scope, I can only imagine what this hugh puppy will ‘see’.