rotation of the earth

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Check out how the striations on the surface of this ruby record the growth of the different faces and the 6-fold symmetry rotation axis. 

A teenager designed a pocket-sized satellite that will fly on a NASA mission

  • An 18-year-old created the world’s lightest functioning satellite, and it’s going to be launched on a real NASA mission next month.
  • Rifath Sharook, who is from Tamil Nadu, India, made the pocket-sized satellite for a competition called Cubes in Space, which is an international design challenge that asks students aged 11 to 18 to fit their space-worthy invention inside a 13-foot cube.
  • The pocket-sized 3-D printed satellite is much smaller than that. It weighs just 0.14 pounds and will measure the rotation, acceleration and magnetosphere of Earth, Sharook told Business Standard. Read more (5/17/17)

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Rotating supercell over the U.S. Great plains. I can’t tell if this is actual video or if this artists works to animate still frames, but I think some of their clips are the latter.  Almost time for tornado season to start moving up to the central U.S.

Solar System: Things to Know This Week

Our solar system is a jewel box filled with a glittering variety of beautiful worlds–and not all of them are planets. This week, we present our solar system’s most marvelous moons.

1. Weird Weather: Titan

Saturn’s hazy moon Titan is larger than Mercury, but its size is not the only way it’s like a planet. Titan has a thick atmosphere, complete with its own “water cycle” – except that it’s way too cold on Titan for liquid water. Instead, rains of liquid hydrocarbons like ethane and methane fall onto icy mountains, run into rivers, and gather into great seas. Our Cassini spacecraft mapped the methane seas with radar, and its cameras even caught a glimpse of sunlight reflecting off the seas’ surface. Learn more about Titan: saturn.jpl.nasa.gov/science/titan/

2. Icy Giant: Ganymede

Jupiter’s moon Ganymede is the largest in the solar system. It’s bigger than Mercury and Pluto, and three-quarters the size of Mars. It’s also the only moon known to have its own magnetic field. Details: solarsystem.nasa.gov/planets/ganymede/indepth

3. Retrograde Rebel: Triton

Triton is Neptune’s largest moon, and the only one in the solar system to orbit in the opposite direction of its planet’s rotation, a retrograde orbit. It may have been captured from the Kuiper Belt, where Pluto orbits. Despite the frigid temperatures there, Triton has cryovolcanic activity – frozen nitrogen sometimes sublimates directly to gas and erupts from geysers on the surface. More on Triton: solarsystem.nasa.gov/planets/triton/indepth

4. Cold Faithful: Enceladus

The most famous geysers in our solar system (outside of those on Earth) belong to Saturn’s moon Enceladus. It’s a small, icy body, but Cassini revealed this world to be one of the solar system’s most scientifically interesting destinations. Geyser-like jets spew water vapor and ice particles from an underground ocean beneath the icy crust of Enceladus. With its global ocean, unique chemistry and internal heat, Enceladus has become a promising lead in our search for worlds where life could exist. Get the details: saturn.jpl.nasa.gov/science/enceladus/

5. Volcano World: Io

Jupiter’s moon Io is subjected to tremendous gravitational forces that cause its surface to bulge up and down by as much as 330 feet (100 m). The result? Io is the most volcanically active body in the Solar System, with hundreds of volcanoes, some erupting lava fountains dozens of miles high. More on Io’s volcanoes: solarsystem.nasa.gov/planets/io/indepth

6. Yin and Yang Moon: Iapetus

When Giovanni Cassini discovered Iapetus in 1671, he observed that one side of this moon of Saturn was bright and the other dark. He noted that he could only see Iapetus on the west side of Saturn, and correctly concluded that Iapetus had one side much darker than the other side. Why? Three centuries later, the Cassini spacecraft solved the puzzle. Dark, reddish dust in Iapetus’s orbital path is swept up and lands on the leading face of the moon. The dark areas absorb energy and become warmer, while uncontaminated areas remain cooler. Learn more: saturn.jpl.nasa.gov/news/2892/cassini-10-years-at-saturn-top-10-discoveries/#nine

7. A Double World: Charon and Pluto

At half the size of Pluto, Charon is the largest of Pluto’s moons and the largest known satellite relative to its parent body. The moon is so big compared to Pluto that Pluto and Charon are sometimes referred to as a double planet system. Charon’s orbit around Pluto takes 6.4 Earth days, and one Pluto rotation (a Pluto day) takes 6.4 Earth days. So from Pluto’s point of view Charon neither rises nor sets, but hovers over the same spot on Pluto’s surface, and the same side of Charon always faces Pluto. Get the details: www.nasa.gov/feature/pluto-and-charon-new-horizons-dynamic-duo

8. “Death Star” Moon: Mimas

Saturn’s moon Mimas has one feature that draws more attention than any other: the crater Herschel, which formed in an impact that nearly shattered the little world. Herschel gives Mimas a distinctive look that prompts an oft-repeated joke. But, yes, it’s a moon. More: olarsystem.nasa.gov/planets/mimas

9. Don’t Be Afraid, It’s Just Phobos

In mythology, Mars is a the god of war, so it’s fitting that its two small moons are called Phobos, “fear,” and Deimos, “terror.” Our Mars Reconnaissance Orbiter caught this look at Phobos, which is roughly 17 miles (27 km) wide. In recent years, NASA scientists have come to think that Phobos will be torn apart by its host planet’s gravity. Details: www.nasa.gov/feature/goddard/phobos-is-falling-apart

Learn more about Phobos: solarsystem.nasa.gov/planets/phobos/indepth

10. The Moon We Know Best

Although decades have passed since astronauts last set foot on its surface, Earth’s moon is far from abandoned. Several robotic missions have continued the exploration. For example, this stunning view of the moon’s famous Tycho crater was captured by our Lunar Reconnaissance Orbiter, which continues to map the surface in fine detail today. More: www.lroc.asu.edu/posts/902

Discover more lists of 10 things to know about our solar system HERE.

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

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3 day hike around Mount Hood combined into a few seconds of video (Careful if fast moving clips bother you)

Diving into New Magnetic Territory with the MMS Mission

Our Magnetospheric Multiscale Mission, or MMS, is on a journey to study a new region of space.  

On May 4, 2017, after three months of precisely coordinated maneuvers, MMS reached its new orbit to begin studying the magnetic environment on the ever-rotating nighttime side of Earth.

The space around Earth is not as empty as it looks. It’s packed with high energy electrons and ions that zoom along magnetic field lines and surf along waves created by electric and magnetic fields.  

MMS studies how these particles move in order to understand a process known as magnetic reconnection, which occurs when magnetic fields explosively collide and re-align.

After launch, MMS started exploring the magnetic environment on the side of Earth closest to the sun. Now, MMS has been boosted into a new orbit that tops out twice as high as before, at over 98,000 miles above Earth’s surface.

The new orbit will allow the spacecraft to study magnetic reconnection on the night side of Earth, where the process is thought to cause the northern and southern lights and energize particles that fill the radiation belts, a doughnut-shaped region of trapped particles surrounding Earth.  

MMS uses four separate but identical spacecraft, which fly in a tight pyramid formation known as a tetrahedron. This allows MMS to map the magnetic environment in three dimensions.

MMS made many discoveries during its first two years in space, and its new orbit will open the door to even more. The information scientists get from MMS will help us better understand our space environment, which helps in planning future missions to explore even further beyond our planet. Learn more about MMS at nasa.gov/mms.

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

Caption:

“This is Pennsylvania State Senator Republican Scott Wagner. He just said the Earth is warming because: ‘The earth moves closer to the sun every year. You know, the rotation of the earth. Also, we have more people and humans have warm bodies, so heat is coming off them.’ America, this is why we need science education. ”

-

Let’s vote these people out please.

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Want to have your mind blown? Drone matches the rotation rate of a windmill, Sweden. Serious drone pilot skills here.

Top 10 Facts Of The Day (March 31, 2017)

10. The Queen of England once “terrorised” Saudi Arabia’s King by driving him around. In Saudi Arabia women are not allowed to drive.

9. Snoop Dogg and Cameron Diaz went to high school together and Snoop was Cameron’s weed dealer.

8. Squeezing lemon juice on fruit like apples and bananas will prevent oxidation (turning brown).

7. Netflix employees get unlimited vacation days. Netflix CEO Reed Hastings says tracking vacation time is an “Industrial Era Habit” and prefers to focus more on workplace efficiency than time spent in the workplace.

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A Ticket To The Sun, 2.

♔ Part: One • Part: Two • Part: Three (Finale)

Genre | Dystopia AU.

Pairing | Min Yoongi / Reader.

Words | 17,529 words.

Conspectus | Overpopulation of the planet leads to the unethical method of culling thousands of people once every month through a customary enlistment ballot. In such a world where your future is determined by your name on a piece of paper, life becomes much easier when you choose to be desensitised of emotions such as love and affection. But such an ideal flips completely upside down when you punch a kid called Min Yoongi in the face.

Warnings | Pining. Many references to weapons in a metaphorical sense. Recreational drug and alcohol use. Strong angst. Death.

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Mt. Etna has been erupting for hundreds of thousands of years. Located in Sicily, Italy, the volcano produces lava fountains over one kilometer high. Mt. Etna is not only one of the most active volcanoes on Earth, it is one of the largest, measuring over 50 kilometers at its base and rising nearly 3 kilometers high!!

Pictured in mid-March, a spectacular lava plume erupts upwards, dangerous molten volcanic bombs fly off to the sides, while hot lava flows down the volcano’s exterior. The Earth’s rotation is discernable on this carefully time, moon-lit, long duration image as star trails.

Image Credit & Copyright: Dario Giannobile

The Signs as Girls I've Fallen In Love With
  • <p> <b>Aries:</b> You were out with your friends. Your smile was so big and so gorgeous. You looked over at me twice, a smirk painted on your round face. You were so cute, you intimidated me a little bit. But you had a softness about you.<p/><b>Taurus:</b> My first girl crush. Your eyes were storms, and your cheeks always rosy. You always made my knees quiver and my heart beat. I miss you. I miss you more than I admit. I wished I kissed you. You're still in my dreams.<p/><b>Gemini:</b> You taught me how to smoke weed in my car on a sunny September morning. The smoke danced through your golden hair and you laughed so hard. Your hands are very soft. I remember you coming into my room at 6 in the morning, wanting to go for a drive. I hope your head is clear. I hope you're still laughing.<p/><b>Cancer:</b> Charming, magnetic, warm. You were always so warm. The time I saw the small of your back when you lifted your shirt is still alive in my memory. Your smile could stop the rotation of the Earth. I'm sure it has.<p/><b>Leo:</b> I saw you in a photograph. The brightest smile I've ever seen. So radiant that the sun should hang her head in shame. Glowing. Always glowing. I've only ever wanted to be in your arms. You are so alive in my imagination. I hope you're alive in reality.<p/><b>Virgo:</b> I caught your eye in a mirror. You were so beautiful and so eager. Your steely resolve melted my heart. I was standing against the wall, admiring your determination. I'm sure you saw me. I thought about saying hi, but you probably would have walked away, leaving me to imagine an intoxicating conversation.<p/><b>Libra:</b> I saw you at a concert. You smiled so much, and your eyes were so bright. I lost myself in them. Our eyes met a million times that night. You returned my smile and blushed a lot. I wanted to find you after the show, but you disappeared.<p/><b>Scorpio:</b> I've always wanted to kiss you. So passionate. So loud. So unique. Always moving. Always working to be a better you. I admire you so much and have wanted not only to be you, but to be with you. You would probably break my heart. I would love to be broken by you.<p/><b>Sagittarius:</b> You were always running. You always sat a little too close to me. You always talked a little too loud. You were so electric. Sometimes I still picture you, you always looked like a painting. I hope he paints you.<p/><b>Capricorn:</b> Quiet. But there was something brewing there. You walked around like you owned the place, and I wanted to run with you. You wouldn't let anyone break through to you. I wanted to so bad. I hope you know that.<p/><b>Aquarius:</b> I love you. I'm so in love with you. I haven't stopped thinking about you since the day we met. I trust you. So beautiful and so weird. I love the way you talk and the way your eyes shine whenever you smile. I'm so caught up in you. I love you more than any girl on this list.<p/><b>Pisces:</b> You don't believe it but you are so very important to me. You have so much to offer this world. I want you to believe in yourself the way I do. So strong. You love more than anyone I know.<p/></p>

I want you to remember
how old this world is.
I want you to think of
all the times you could
have been born.

In the caves.
Moss and dirt and spears.

Amidst the gods and the demigods.
The time of planets rotating
around the earth.

During the building of the pyramids.
Hidden passages and large sphinxes.

A hundred other decades / a
thousand other years / a
million other moments.

But despite everything, we 
were born at the same time.
We exist now, together –
in the same place,
breathing the same air.

This is a formal thank you
to the universe for allowing
your birth to be the biggest
miracle of my life.

For letting you and I
walk this earth at the same time.

—  Week 40 of 52 - Possibilities by Darshana Suresh