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Daytime ISS Transit

▲ Taken by Leo Caldas on August 16, 2017 @ Brasilia Brazil

Details:

Daytime ISS transit - Ago,16/2017 - 8:24am
Finally a descent capture of this event. A lot of Cirrus cloud made the settings and focus very dificult to acomplish, but the final result was good!
HD At: https://www.youtube.com/watch?v=TNug8CRnmUk

Camera DATA: Nikon D5300 lens 200-500mm + teleconverter 2x f/11 iso400 1/800. Video in 24fps e 4x slow mo.
Transit DATA: Site www.calsky.com Crosses the disk of Moon. Separation=0.049° Position Angle=310.6°, Position angle vertex=157.3°. Transit duration=0.66s
Angular diameter=54.4 size=109.0m x 73.0m x 27.5m
Satellite at Azimuth=333.7° NNW Altitude= 52.5° Distance=508.5 km Magnitude=-3.0mag
In a clock-face concept, the satellite will seem to move toward 3:46
Angular Velocity=48.1/s
Centerline, closest point →Map: Longitude= 48°0918W Latitude=-15°5228 (WGS84) Distance=0.17 km Azimuth=125.6° SE Path direction= 35.6° NE ground speed=7.480 km/s width=10.0 km max. duration=0.7 s
Sun altitude=+26° Elongation from Sun=71°
 
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Impressive images of yesterday's solar eclipse from NASA.

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This thing is NASTY! I feel bad for the people in Florida and the south and the islands but I hope it doesn't come up our way. Category 5 off of Puerto Rico & The Dominican Republic ATM and has already flattened out towns in Haiti, and the Virgin Islands with winds up to 275 mph. Mandatory evacuation in Miami Day County.

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The smaller one was Hurricane Andrew in 1992 and it devastated Florida with 177 mph winds. Irma is the larger one and will be predicted to be packing 215 mph winds by the time it lands in FLA.

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Ah yes, proof positive of Apollo 17's moon landing? :-) Where are the detractors? Oh wait, these are all fake images also lol.

You can even still see all the tracks by the rover are still there. Good stuff.

Chinese scientists announced they saw proof but then went suddenly silent.
http://www.china.org.cn/china/2012-02/06/content_24561343.htm
“The scientists also spotted traces of the previous Apollo mission in the images, said Yan Jun, chief application scientist for China's lunar exploration project. ”
 
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http://www.thisisinsider.com/mars-curiosity-rover-selfie-dust-storm-2018-6

NASA's nuclear-powered Mars rover took an amazing selfie during an intense global dust storm

A nasty dust storm is wrapping around Mars, and visibility in some regions is so poor that the skies look like night during the middle of the day.

It's a dire moment for NASA's Opportunity rover, which uses solar power to explore the red planet. The 15-year-old rover fell asleep on June 10 to conserve power in hopes of waiting out the storm until sunlight can reach its panels.

"This is the worst storm Opportunity has ever seen, and we're doing what we can, crossing our fingers, and hoping for the best," Steve Squyres, a planetary scientist at Cornell University and leader of the rover mission, told A.J.S. Rayl for a recent Planetary Society blog post.

Scientists think the storm may last weeks. If Opportunity's energy reserves run too low to keep its aging electronic circuits warm, blisteringly cold Martian temperatures could disable them.

But halfway around the planet, dust storm conditions aren't as dangerous for Curiosity — a car-size, nuclear-powered rover that NASA landed on Mars in 2012. Curiosity uses plutonium-238instead of solar cells to power its exploration of the red planet, so the darkness isn't a problem either.

In fact, Curiosity photographed itself on Friday during the dust storm.

Curiosity's latest selfie
The image comes from an instrument called the Mars Hand Lens Imager. The camera sits on the end of Curiosity's robotic arm and can function like a multi-million-dollar selfie stick.

Because the camera can't capture all of Curiosity in one shot, it has to take a series of photos — more than 200 in this case. So on Saturday, Kevin M. Gill, a NASA software engineer who processes spacecraft photos as a hobby, stitched them all together into a single panorama.

The full panoramic selfie also shows the rover's surroundings, including a rock with a drill hole in it and a small pile of orange dust:

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NASA/JPL-Caltech/MSSS/Kevin M. Gill (CC BY 2.0)
Curiosity's drill was taken offline line in December 2016 after suffering a mechanical problem.

However, NASA eventually figured out a way to work around the problem and tested the drill in May 2018. Curiosity bored a two-inch-deep hole, then dropped some fresh Martian grit on the ground during a subsequent test (to see how much dirt the drill could collect for sampling).

The perfect storm for science


Scientists hope to gain more clues as to how such massive dust storms arise and dissipate on Mars by using Opportunity, Curiosity, and three satellites in orbit around the planet.

The last dust storm to enshroud Mars happened in 2007, but there weren't as many spacecraft there at the time. So, while NASA is concerned about the future of its Opportunity rover, scientists have waited more than a decade for a dust storm of this magnitude to brew and study.

"This is the ideal storm for Mars science," Jim Watzin, the director of NASA's Mars Exploration Program, said in a press release. "We have a historic number of spacecraft operating at the red planet. Each offers a unique look at how dust storms form and behave — knowledge that will be essential for future robotic and human missions."

The last time NASA updated the public about Curiosity, it was sitting on the edge of the growing dust storm, which had grown to the size of North America and Russia combined. A space agency representative could not immediately update Business Insider on the storm or the rovers' statuses.

Future missions to Mars
NASA recently launched its InSight Mars lander, which should touch down on November 26. Next up is the Mars 2020 rover, which is almost identical to Curiosity, though it may be better equipped to detect signs of past alien life and prepare a sample for return to Earth.

NASA is also working on its giant Space Launch System, and one of the planned versions might send a small crew to the red planet. In addition, private companies hope to explore Mars. SpaceX, Elon Musk's rocket company, aims to send people to the red planet in the mid-2020s with its upcoming Big Falcon Rocketsystem. Blue Origin, which is owned by Jeff Bezos, is designing aNew Glenn rocket that may be Mars-capable.

If any of these outfits can send people to Mars in relative safety, experts say it will be no walk in the park. Crews will face threats from explosions, radiation, starvation, and other dangers.

If NASA can master a small-scale nuclear reactor for space, though, future Martian crews would at least not have to worry about a dust storm threatening their power supply.
 
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What? Can't believe it, a thread dedicated to the U.S. space program, 23 pages and only beating around the bush!
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Seems that all the posters here are as clueless as President Trump about what the U.S. space program is about!

Trump under fire for mocking senior Bush

Sun Jul 8, 2018 05:54PM

US President Donald Trump has stirred controversy by poking fun at former President George H.W. Bush and his “Thousand Points of Light” slogan.

Bush, the 41st US president, is also referred to as "Bush 41", "Bush the Elder" and "Bush Senior" to distinguish him from his eldest son, George W. Bush, who became the 43rd US president.

“Thousand Points of Light. I never quite got that one. What the hell is that? Has anyone ever figured that one out?” Trump said during a free-wheeling campaign rally Thursday in Montana.

Bush, 94, used the slogan to name a private organization he had established to promote volunteerism.

http://217.218.67.231/Detail/2018/07/08/567494/US-Bush-Trump-slogans

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Flight to the Lights 2 - Flying with auroras
By Taichi NAKAMURA, Trace of Light Photography
Published on Mar 30, 2018
Chasing the Southern Lights. Captured from the Boing jet Dreamliner that was chartered for the ultimate aurora chasers' project “Flight to the Lights” during 22-23 March 2018. The plane departed from the largest airport in South Island New Zealand and went further south where it is close to Antarctica and where the Aurora Oval is, the place where the aurora is highly active. This video contains most of aurora's activity during the flight observed from the port side of the plane. Small reflections from the wing beacon and internal lights occasionally is in the frame. Captured with Sony ILCE-7S (a7s). Standard Youtube licence Sharing greatly appreciated with attribution
https://www.youtube.com/watch?v=In-ZbBDAWkQ
▲ For the clueless, a glimpse at the U.S. 20,000 orbital psychotronic satellites.


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