Top: Hubble’s Infrared Vision Pierced The Dusty Heart Of Our Milky Way Galaxy To Reveal More Than Half

Emission Nebula Sh2-72

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Into the storm

Hubble peers billions of light years away, uncovering thousands of colorful galaxies clustered together in the constellation of Leo (The Lion). Galaxy clusters are so massive that their immense gravity warps and amplifies the light from more distant objects. This phenomenon, known as gravitational lensing, can help astronomers reveal the earliest galaxies in our universe.

Astronomers just discovered the most distant galaxy cluster ever seen

Scientists managed to spot a cluster of galaxies 11.1 billion light-years away. That’s almost an inconceivable distance when you consider that one light-year is roughly 6 trillion miles. The discovery is important because it reveals new information about the actual time when galaxy clusters started forming. 

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Our Moon along with Jupiter and it’s 4 largest moons.

Image Credit & Copyright: Cristian Fattinnanzi

Getting to Mars: 4 Things We’re Doing Now

We’re working hard to send humans to Mars in the 2030s. Here are just a few of the things we’re doing now that are helping us prepare for the journey:

1. Research on the International Space Station

The International Space Station is the only microgravity platform for the long-term testing of new life support and crew health systems, advanced habitat modules and other technologies needed to decrease reliance on Earth.

When future explorers travel to the Red Planet, they will need to be able to grow plants for food, atmosphere recycling and physiological benefits. The Veggie experiment on space station is validating this technology right now! Astronauts have grown lettuce and Zinnia flowers in space so far.

The space station is also a perfect place to study the impacts of microgravity on the human body. One of the biggest hurdles of getting to Mars in ensuring that humans are “go” for a long-duration mission. Making sure that crew members will maintain their health and full capabilities for the duration of a Mars mission and after their return to Earth is extremely important. 

Scientists have solid data about how bodies respond to living in microgravity for six months, but significant data beyond that timeframe had not been collected…until now! Former astronaut Scott Kelly recently completed his Year in Space mission, where he spent a year aboard the space station to learn the impacts of microgravity on the human body.

A mission to Mars will likely last about three years, about half the time coming and going to Mars and about half the time on the Red Planet. We need to understand how human systems like vision and bone health are affected and what countermeasures can be taken to reduce or mitigate risks to crew members.

2. Utilizing Rovers & Tech to Gather Data

Through our robotic missions, we have already been on and around Mars for 40 years! Before we send humans to the Red Planet, it’s important that we have a thorough understanding of the Martian environment. Our landers and rovers are paving the way for human exploration. For example, the Mars Reconnaissance Orbiter has helped us map the surface of Mars, which will be critical in selecting a future human landing site on the planet.

Our Mars 2020 rover will look for signs of past life, collect samples for possible future return to Earth and demonstrate technology for future human exploration of the Red Planet. These include testing a method for producing oxygen from the Martian atmosphere, identifying other resources (such as subsurface water), improving landing techniques and characterizing weather, dust and other potential environmental conditions that could affect future astronauts living and working on Mars.

We’re also developing a first-ever robotic mission to visit a large near-Earth asteroid, collect a multi-ton boulder from its surface and redirect it into a stable orbit around the moon. Once it’s there, astronauts will explore it and return with samples in the 2020s. This Asteroid Redirect Mission (ARM) is part of our plan to advance new technologies and spaceflight experience needed for a human mission to the Martian system in the 2030s.

3. Building the Ride

Okay, so we’ve talked about how we’re preparing for a journey to Mars…but what about the ride? Our Space Launch System, or SLS, is an advanced launch vehicle that will help us explore beyond Earth’s orbit into deep space. SLS will be the world’s most powerful rocket and will launch astronauts in our Orion spacecraft on missions to an asteroid and eventually to Mars.

In the rocket’s initial configuration it will be able to take 154,000 pounds of payload to space, which is equivalent to 12 fully grown elephants! It will be taller than the Statue of Liberty and it’s liftoff weight will be comparable to 8 fully-loaded 747 jets. At liftoff, it will have 8.8 million pounds of thrust, which is more than 31 times the total thrust of a 747 jet. One more fun fact for you…it will produce horsepower equivalent to 160,000 Corvette engines!

Sitting atop the SLS rocket will be our Orion spacecraft. Orion will be the safest most advanced spacecraft ever built, and will be flexible and capable enough to carry humans to a variety of destinations. Orion will serve as the exploration vehicle that will carry the crew to space, provide emergency abort capability, sustain the crew during space travel and provide safe re-entry from deep space return velocities.

4. Making it Sustainable

When humans get to Mars, where will they live? Where will they work? These are questions we’ve already thought about and are working toward solving. Six partners were recently selected to develop ground prototypes and/or conduct concept studies for deep space habitats.

These NextSTEP habitats will focus on creating prototypes of deep space habitats where humans can live and work independently for months or years at a time, without cargo supply deliveries from Earth.

Another way that we are studying habitats for space is on the space station. In June, the first human-rated expandable module deployed in space was used. The Bigelow Expandable Activity Module (BEAM) is a technology demonstration to investigate the potential challenges and benefits of expandable habitats for deep space exploration and commercial low-Earth orbit applications.

Our journey to Mars requires preparation and research in many areas. The powerful new Space Launch System rocket and the Orion spacecraft will travel into deep space, building on our decades of robotic Mars explorations, lessons learned on the International Space Station and groundbreaking new technologies.

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Enceladus, the sixth-largest moon of Saturn

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Cargo transfer bags come in various sizes.  I actually fit into this one and as a joke, Thomas and Shane took me over to the Russian segment, zipped inside.  They told them there was a present inside and opened it up.  I popped out and gave them a good surprise!

Hubble Peers into the Storm

NASA - Hubble Space Telescope patch. Sept. 9, 2016

This shot from the NASA/ESA Hubble Space Telescope shows a maelstrom of glowing gas and dark dust within one of the Milky Way’s satellite galaxies, the Large Magellanic Cloud (LMC). This stormy scene shows a stellar nursery known as N159, an HII region over 150 light-years across. N159 contains many hot young stars. These stars are emitting intense ultraviolet light, which causes nearby hydrogen gas to glow, and torrential stellar winds, which are carving out ridges, arcs, and filaments from the surrounding material. At the heart of this cosmic cloud lies the Papillon Nebula, a butterfly-shaped region of nebulosity. This small, dense object is classified as a High-Excitation Blob, and is thought to be tightly linked to the early stages of massive star formation.

Hubble orbiting Earth

N159 is located over 160,000 light-years away. It resides just south of the Tarantula Nebula (heic1402), another massive star-forming complex within the LMC.  This image comes from Hubble’s Advanced Camera for Surveys.  The region was previously imaged by Hubble’s Wide Field Planetary Camera 2, which also resolved the Papillon Nebula for the first time. Related links: heic1402: https://www.spacetelescope.org/news/heic1402/ Hubble’s Wide Field Planetary Camera 2: https://www.spacetelescope.org/about/general/instruments/wfpc2/ For more information about the Hubble Space Telescope, visit: http://hubblesite.org/ http://www.nasa.gov/hubble https://www.spacetelescope.org/ Image, Video, Text, Credits: ESA/Hubble & NASA/Text credit: European Space Agency/NASA/Karl Hille. Greetings, Orbiter.ch Full article

NGC 7129, Young Stars