World Teacher Appreciation Day!

On #WorldTeachersDay, we are recognizing our two current astronauts who are former classroom teachers, Joe Acaba and Ricky Arnold, as well as honoring teachers everywhere. What better way to celebrate than by learning from teachers who are literally out-of-this-world!

During the past Year of Education on Station, astronauts connected with more than 175,000 students and 40,000 teachers during live Q & A sessions. 

Let’s take a look at some of the questions those students asked:

The view from space is supposed to be amazing. Is it really that great and could you explain? 

Taking a look at our home planet from the International Space Station is one of the most fascinating things to see! The views and vistas are unforgettable, and you want to take everyone you know to the Cupola (window) to experience this. Want to see what the view is like? Check out earthkam to learn more.

What kind of experiments do you do in space?

There are several experiments that take place on a continuous basis aboard the orbiting laboratory — anything from combustion to life sciences to horticulture. Several organizations around the world have had the opportunity to test their experiments 250 miles off the surface of the Earth. 

What is the most overlooked attribute of an astronaut?

If you are a good listener and follower, you can be successful on the space station. As you work with your team, you can rely on each other’s strengths to achieve a common goal. Each astronaut needs to have expeditionary skills to be successful. Check out some of those skills here. 

Are you able to grow any plants on the International Space Station?

Nothing excites Serena Auñón-Chancellor more than seeing a living, green plant on the International Space Station. She can’t wait to use some of the lettuce harvest to top her next burger! Learn more about the plants that Serena sees on station here. 

What food are you growing on the ISS and which tastes the best? 

While aboard the International Space Station, taste buds may not react the same way as they do on earth but the astronauts have access to a variety of snacks and meals. They have also grown 12 variants of lettuce that they have had the opportunity to taste.

Learn more about Joe Acaba, Ricky Arnold, and the Year of Education on Station.

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

HiPOD (5 October 2018): Erosion within Cerberus Fossae   – A…

HiPOD (5 October 2018): Erosion within Cerberus Fossae

   – A Context Camera image shows a small bench in the middle of the Cerberus Fossae at the head of Athabasca Valles. Small cataracts appear on this bench. Do these reflect erosion as water drained back into the subsurface at the conclusion of the flood? (279 km above the surface. Black and white is less than 5 km across; enhanced color is less than 1 km).

NASA/JPL/University of Arizona

Explosive Beginnings Seen down a high-powered microscope, these…

Explosive Beginnings

Seen down a high-powered microscope, these red shapes are endothelial cells – normally found making up the lining of blood vessels – growing on a tiny bead. This enthusiastic ‘sprouting’ is the first step in the formation of new blood vessels, which are essential for a foetus growing in the womb or during wound healing, but highly dangerous if they start to feed a growing tumour. By taking such a detailed look at the very earliest stages of blood vessel growth in a three-dimensional system, researchers are hoping to understand more about how the environment around endothelial cells encourages them to sprout. In the future, this knowledge could point towards new ways to repair or reconnect damaged blood vessels, such as after a heart attack. It could also lead to novel cancer treatments designed to halt the spread of unwanted blood vessels into tumours, cutting off the supply of oxygen and nutrients.

Written by Kat Arney

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