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#exploration
lovehina019 · 1 day
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Exploration du donjon de Niort : une ancienne prison Vidéo:
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blogfanreborn777 · 3 days
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Fortress by Michal Domanski
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thatsbelievable · 3 months
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nasa · 4 months
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do you have a favourite planet etc?
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wolfbeestudio · 6 months
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I love black cats, so they're great for style practice and exploration~
Which one is your favorite?
Like, comment, share, and follow for more!
NOW AVAILABLE AS KEYCHAINS ON MY ETSY!
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Venturi Antarctica EV, 2018. An electric ATV from the French sports car maker that can manage 20 kph max. for a range of 45 kilometres.
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nfasth · 1 year
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humanoidhistory · 7 months
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The art of Robert McCall.
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macleod · 6 months
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Solar storm confirms Vikings settled in North America exactly 1,002 years ago (as of 2023)
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The Icelandic sagas – oral histories written down hundreds of years later – tell of a leader named Leif Erikson and a settlement called “Vinland”, assumed to be coastal North America. But while it is known that the Norse landed in Canada, exactly when they set up camp to become the first Europeans to cross the Atlantic, marking the moment when the globe was first known to have been encircled by humans, has remained imprecise.
This study, published in the journal Nature, made use of the cosmic-ray induced upsurge in atmospheric radiocarbon concentrations during a known solar storm in AD993, which released an enormous pulse of radiation that was absorbed by trees at the time.
The logs, with bark still attached, were from trees alive during that solar storm, and excavated from the site. Such solar storms are reflected in annual tree growth rings. In all three samples, 28 growth rings were formed after the one that bore evidence of the storm, meaning the trees were cut in AD1021.
By Caroline Davies for The Guardian (Oct 21ˢᵗ 2021)
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docileeffects · 8 months
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lovehina019 · 15 days
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by Reza Afshar
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amiablesummer · 10 months
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The canvases of our exploration
Interstellar - Christopher Nolan // A Ship in a Stormy Sea - Ivan Konstantinovich Aivazovsky // The ISS - NASA // Address at Rice University, 12 Sep. 1962 - John F. Kennedy // Cosmic Web and Dark Matter in Outer Space - Stephen Dalton // Rough sea, Morestil - John Russell // Rocket Man - Elton John // Olin Ivory // @eighthxjune // Space Mirror Memorial, Kennedy Space Center via reddit //OP: @smoooothbrain
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spacecdt · 1 year
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Mars, as seen by ESA's Mars Express satellite
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nasa · 6 months
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Let's Explore a Metal-Rich Asteroid 🤘
Between Mars and Jupiter, there lies a unique, metal-rich asteroid named Psyche. Psyche’s special because it looks like it is part or all of the metallic interior of a planetesimal—an early planetary building block of our solar system. For the first time, we have the chance to visit a planetary core and possibly learn more about the turbulent history that created terrestrial planets.
Here are six things to know about the mission that’s a journey into the past: Psyche.
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1. Psyche could help us learn more about the origins of our solar system.
After studying data from Earth-based radar and optical telescopes, scientists believe that Psyche collided with other large bodies in space and lost its outer rocky shell. This leads scientists to think that Psyche could have a metal-rich interior, which is a building block of a rocky planet. Since we can’t pierce the core of rocky planets like Mercury, Venus, Mars, and our home planet, Earth, Psyche offers us a window into how other planets are formed.
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2. Psyche might be different than other objects in the solar system.
Rocks on Mars, Mercury, Venus, and Earth contain iron oxides. From afar, Psyche doesn’t seem to feature these chemical compounds, so it might have a different history of formation than other planets.
If the Psyche asteroid is leftover material from a planetary formation, scientists are excited to learn about the similarities and differences from other rocky planets. The asteroid might instead prove to be a never-before-seen solar system object. Either way, we’re prepared for the possibility of the unexpected!
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3. Three science instruments and a gravity science investigation will be aboard the spacecraft.
The three instruments aboard will be a magnetometer, a gamma-ray and neutron spectrometer, and a multispectral imager. Here’s what each of them will do:
Magnetometer: Detect evidence of a magnetic field, which will tell us whether the asteroid formed from a planetary body
Gamma-ray and neutron spectrometer: Help us figure out what chemical elements Psyche is made of, and how it was formed
Multispectral imager: Gather and share information about the topography and mineral composition of Psyche
The gravity science investigation will allow scientists to determine the asteroid’s rotation, mass, and gravity field and to gain insight into the interior by analyzing the radio waves it communicates with. Then, scientists can measure how Psyche affects the spacecraft’s orbit.
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4. The Psyche spacecraft will use a super-efficient propulsion system.
Psyche’s solar electric propulsion system harnesses energy from large solar arrays that convert sunlight into electricity, creating thrust. For the first time ever, we will be using Hall-effect thrusters in deep space.
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5. This mission runs on collaboration.
To make this mission happen, we work together with universities, and industry and NASA to draw in resources and expertise.
NASA’s Jet Propulsion Laboratory manages the mission and is responsible for system engineering, integration, and mission operations, while NASA’s Kennedy Space Center’s Launch Services Program manages launch operations and procured the SpaceX Falcon Heavy rocket.
Working with Arizona State University (ASU) offers opportunities for students to train as future instrument or mission leads. Mission leader and Principal Investigator Lindy Elkins-Tanton is also based at ASU.
Finally, Maxar Technologies is a key commercial participant and delivered the main body of the spacecraft, as well as most of its engineering hardware systems.
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6. You can be a part of the journey.
Everyone can find activities to get involved on the mission’s webpage. There's an annual internship to interpret the mission, capstone courses for undergraduate projects, and age-appropriate lessons, craft projects, and videos.
You can join us for a virtual launch experience, and, of course, you can watch the launch with us on Oct. 12, 2023, at 10:16 a.m. EDT!
For official news on the mission, follow us on social media and check out NASA’s and ASU’s Psyche websites.
Make sure to follow us on Tumblr for your regular dose of space!
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