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SpaceX - IRIDIUM-8 Mission Success

SpaceX - Iridium NEXT VIII Mission patch. Jan. 11, 2019

Falcon 9 carrying Iridium NEXT VIII lift off

On Friday, January 11 at 7:31 a.m. PST, 15:31 UTC, SpaceX successfully launched the eighth and final set of satellites in a series of 75 total satellites for Iridium’s next generation global satellite constellation, Iridium NEXT.

IRIDIUM-8 MISSION

Falcon 9’s first stage delivered the second stage to its targeted orbit followed by deployment of all 10 Iridium NEXT satellites approximately 1 hour and 12 minutes after launch. Following stage separation, the first stage of Falcon 9 successfully landed on SpaceX’s “Just Read the Instructions” droneship stationed in the Pacific Ocean. Falcon 9’s first stage for the Iridium-8 mission previously supported the Telstar 18 VANTAGE mission in September 2018. A SpaceX Falcon 9 rocket launches 10 satellites (Iridium Next 66-75) for the Iridium next mobile communications fleet.

Iridium NEXT satellite

Iridium will use its new satellite network to provide improved communications services to more than a million customers across a variety of industries, including expanded services for the so-called “Internet of Things”—smart devices that need their own communications network to connect to the internet. For more information about SpaceX, visit: https://www.spacex.com/ For more information about Iridium NEXT, visit: https://www.iridium.com/network/iridium-next/ Images, Video, Text, Credits: SpaceX/Iridium/Orbiter.ch Aerospace/Roland Berga. Greetings, Orbiter.ch Full article

Pyar se bdi koi koi happiness nhi hoti ,aur pyar (love) se jyada dhokha kisi me nhi hota.

#madness

#feelloving

#singlelover

#villagelove

#childwood

#homesicker

@gr_the_tiger

NASA Science Show & Tell

This week, we’re at one of the biggest science conferences in the country, where our scientists are presenting new results from our missions and projects. It’s called the American Geophysical Union’s Fall Meeting.

Here are a few of the things we shared this week…

The Sun

A few months into its seven-year mission, Parker Solar Probe has already flown far closer to the Sun than any spacecraft has ever gone. The data from this visit to the Sun has just started to come back to Earth, and scientists are hard at work on their analysis.

Parker Solar Probe sent us this new view of the Sun’s outer atmosphere, the corona. The image was taken by the mission’s WISPR instrument on Nov. 8, 2018, and shows a coronal streamer seen over the east limb of the Sun. Coronal streamers are structures of solar material within the Sun’s atmosphere, the corona, that usually overlie regions of increased solar activity. The fine structure of the streamer is very clear, with at least two rays visible. Parker Solar Probe was about 16.9 million miles from the Sun’s surface when this image was taken. The bright object near the center of the image is Mercury, and the dark spots are a result of background correction.

Hurricane Maria

Using a satellite view of human lights, our scientists watched the lights go out in Puerto Rico after Hurricane Maria. They could see the slow return of electricity to the island, and track how rural and mountainous regions took longer to regain power.

In the spring, a team of scientists flew a plane over Puerto Rico’s forests, using a laser instrument to measure how trees were damaged and how the overall structure of the forests had changed.

Earth’s Ice

Our scientists who study Antarctica saw some surprising changes to East Antarctica. Until now, most of the continent’s melting has been on the peninsula and West Antarctica, but our scientists have seen glaciers in East Antarctica lose lots of ice in the last few years.

Our ICESat-2 team showed some of their brand new data. From the changing height of Antarctic ice to lagoons off the coast of Mexico, the little satellite has spent its first few months measuring our planet in 3D. The laser pulses even see individual ocean waves, in this graph.

Scientists are using our satellite data to track Adélie penguin populations, by using an unusual proxy – pictures of their poop! Penguins are too small to be seen by satellites, but they can see large amounts of their poop (which is pink!) and use that as a proxy for penguin populations.

Asteroid Bennu

Our OSIRIS-REx mission recently arrived at its destination, asteroid Bennu. On approach, data from the spacecraft’s spectrometers revealed chemical signatures of water trapped in clay minerals.  While Bennu itself is too small to have ever hosted liquid water, the finding indicates that liquid water was present at some time on Bennu’s parent body, a much larger asteroid.

We also released a new, detailed shape model of Bennu, which is very similar to our ground-based observations of Bennu’s shape. This is a boon to ground-based radar astronomy since this is our first validation of the accuracy of the method for an asteroid! One change from the original shape model is the size of the large boulder near Bennu’s south pole, nicknamed “Benben.” The boulder is much bigger than we thought and overall, the quantity of boulders on the surface is higher than expected. Now the team will make further observations at closer ranges to more accurately assess where a sample can be taken on Bennu to later be returned to Earth.

Jupiter

The Juno mission celebrated it’s 16th science pass of #Jupiter, marking the halfway point in data collection of the prime mission. Over the second half of the prime mission — science flybys 17 through 32 — the spacecraft will split the difference, flying exactly halfway between each previous orbit. This will provide coverage of the planet every 11.25 degrees of longitude, providing a more detailed picture of what makes the whole of Jupiter tick.

Mars

The Mars 2020 team had a workshop to discuss the newly announced landing site for our next rover on the Red Planet. The landing site…Jezero Crater! The goal of Mars 2020 is to learn whether life ever existed on Mars. It’s too cold and dry for life to exist on the Martian surface today. But after Jezero Crater formed billions of years ago, water filled it to form a deep lake about the same size as Lake Tahoe. Eventually, as Mars’ climate changed, Lake Jezero dried up. And surface water disappeared from the planet.

Interstellar Space

Humanity now has two interstellar ambassadors. On Nov. 5, 2018, our Voyager 2 spacecraft left the heliosphere — the bubble of the Sun’s magnetic influence formed by the solar wind. It’s only the second-ever human-made object to enter interstellar space, following its twin, Voyager 1, that left the heliosphere in 2012.

Scientists are especially excited to keep receiving data from Voyager 2, because — unlike Voyager 1 — its plasma science instrument is still working. That means we’ll learn brand-new information about what fills the space between the stars.

Learn more about NASA Science at science.nasa.gov. 

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com 

“Primer for Learning Google Colab” GR with GC

“Primer for Learning Google Colab” by Elvis https://link.medium.com/qrCcZMnKKT

View On WordPress

*studies for 2 minutes*

https://www.pscp.tv/w/bwnvyXR3LTEwNjEyNzE4NzM5ODY2MTczNDR8MU1ZR055WXlPcFhLd28onsCCwhsn5F-3EhRLH9GX7_ZI1XmrbIlP8q7zPgnb

Check out @MomentsAU’s Tweet: https://twitter.com/MomentsAU/status/1086195392096550913?s=09