September 2021

With the recent discoveries of interstellar objects `Oumuamua and Borisov traversing the solar system, understanding the dynamics of interstellar objects is more pressing than ever.

Hurricane Larry is pictured churning in the Atlantic Ocean as the International Space Station orbited 263 miles above.

This beautiful image shows a glowing horseshoe-shaped cloud of hot gas against a backdrop of thousands of stars in the Large Magellanic Cloud, a nearby galaxy.

Shane Kimbrough @astro_kimbrough Can you find Grand Prismatic Spring in this pic? The 300-foot wide hot spring has its famous rainbow-colored edges.

On 16 December 2020 the Chang'e-5 mission, China's first sample return mission to the Moon, successfully delivered to Earth nearly two kilograms of rocky fragments and dust from our celestial companion.

SpaceCast Weekly is a NASA Television broadcast from the Johnson Space Center in Houston featuring stories about NASA's work in human spaceflight.

Positioning the agency for future success, a lunar landing site selected for a robotic explorer, and highlighting diversity on the Moon ... a few of the stories to tell you about - This Week at NASA.

Thomas Pesquet: The flames seen up close (with a teleconverter) in California, near Sequoia park. It looks very apocalyptic.

Here, using its WATSON camera, NASA's Perseverance Mars rover took this selfie over a rock nicknamed "Rochette," on Sept.10, 2021, the 198th Martian day, or sol, of the mission.

In this view looking up inside High Bay 3 of the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, the work platforms have been retracted from around the Artemis I Space Launch System on Sept. 20, 2021.

Thomas Pesquet: Impressive fires in Canada. We were chatting this week and we realised that we have missed a whole summer on Earth now.

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.

The Expedition 65 astronauts are moving full speed ahead today studying how living in space affects skin processes.

Calabria, often referred to as the 'boot' of Italy, is featured in this image captured by the Copernicus Sentinel-2 mission.

The International Space Station was orbiting 263 miles above Afghanistan when this photograph was taken of the city lights of Pakistan and India and the well-lit border separating both countries.

This week 20 women are tucking themselves in a waterbed for five days as part of a dry immersion study to recreate some of the effects of spaceflight on the body.

For decades, scientists have assumed that losses in Arctic sea ice cover allow for the formation of more clouds near the ocean's surface.

Permanently shadowed lunar craters contain water ice, but are difficult to image. A machine learning algorithm now provides sharper images.

An international team of astronomers has not only detected clouds on the distant exoplanet WASP-127b, but also measured their altitude with unprecedented precision.

Hubble Space Telescope's glamour shots of the universe are so revealing they nearly always have a discovery behind them.

Russia's Nauka multipurpose laboratory module continues being outfitted today before operations begin with Europe's new robotic arm.

Noctilucent clouds in the high atmosphere. A rarely seen phenomenon : noctilucent clouds high in the atmosphere.

The National Science Foundation's Green Bank Observatory (GBO) and National Radio Astronomy Observatory (NRAO), and Raytheon Intelligence & Space (RI&S) have released a new high-resolution image of the Moon, the highest-ever taken from the ground using new radar technology on the Green Bank Telescope (GBT).

The lander cleared enough dust from one solar panel to keep its seismometer on through the summer, allowing scientists to study the three biggest quakes they've seen on Mars.

Engineers with Exploration Ground Systems and contractor Jacobs successfully completed the Umbilical Release and Retract Test on Sept. 19 inside the Vehicle Assembly Building (VAB) at NASA's Kennedy Space Center in preparation for the Artemis I mission.

Early massive galaxies--those that formed in the three billion years following the Big Bang--should have contained large amounts of cold hydrogen gas, the fuel required to make stars.

Planetary systems take millions of years to form, which introduces quite a challenge for astronomers.

Sea ice in the Arctic appears to have hit its annual minimum extent on Sept. 16, after waning in the 2021 Northern Hemisphere spring and summer. The summertime extent is the 12th-lowest in the satellite record, according to scientists at the NASA-supported National Snow and Ice Data Center and NASA.

Four Expedition 65 astronauts are swapping shifts today for a biology study exploring how long-term microgravity affects skin and the healing process.

Thomas Pesquet: It has been a while, but the blues of the Bahamas and Key West just never disappoint, seem to change hue on every pass over the area and brighten up our day every time we see them. Bask in the blue tones.

We report results of a four-year survey using Electron Multiplied Charged Coupled Device (EMCCD) cameras recording 34761 two-station video meteor events complete to a limiting magnitude of +6.

Thomas Pesquet: Andes again. This area, between Peru, Chile, Bolivia, is an infinite source of magical shapes and striking colours. Do you prefer a burgundy red lake, or a neon blue amphitheatre?

Researchers at the University of Illinois Urbana-Champaign watched fragments of two meteors as they ramped up the heat from room temperature to the temperature it reaches as it enters Earth's atmosphere and made a significant discovery.

Led by NASA JPL, Team CoSTAR will participate in the SubT final this week to demonstrate multi-robot autonomy in a series of tests in extreme environments.

This composite X-ray (blue)/radio (pink) image of the galaxy cluster Abell 400 shows radio jets immersed in a vast cloud of multimillion degree X-ray emitting gas that pervades the cluster.

Expedition 65 is kicking off the week with a host of space biology and robotics activities aboard the International Space Station today.

Thomas Pesquet: I love the look of Santorini from space, is it about to take a large bite and swallow the Tholos Naftilos volcano whole? The boat on the left looks like it was traveling very fast towards the natural harbour.

For centuries, humans have mined materials to build the tools we use every day, from batteries and cell phones to airplanes and refrigerators.

NASA's Ingenuity Mars Helicopter provided a 3D view of a rock-covered mound during its 13th flight on Sept. 4.

In 2023, NASA's Volatiles Investigating Polar Exploration Rover (VIPER) will land near the western edge of the Nobile Crater at the Moon's South Pole to map and explore the region's surface and subsurface for water and other resources.

A new meteorological satellite, called Fengyun-3E (FY-3E), is crossing the early morning sky, observing and collecting data about the weather, climate and more.

When it comes time for NASA's Psyche spacecraft to power itself through deep space, it'll be more brain than brawn that does the work.

The Expedition 65 crew opened up BEAM today and transferred cargo for return to Earth aboard the SpaceX Cargo Dragon resupply ship.

The International Astronomical Union has named a lunar crater--the "Henson Crater"-- after Dr. Matthew Alexander Henson, an extraordinary explorer who journeyed to Earth's North Pole.

Thomas Pesquet: 🎶City of stars, are you shining just for me?🎶 Los Angeles at night lights up like stars in the sky. Follow the boulevard of the stars and other areas shining bright.

Thomas Pesquet: Framing is everything, the Syr Darya river at two zoom levels: the winding rivers remind me of wisps of smoke. At the borders of the river you can see the #CropArt where humans have naturally started growing food using the life-giving water a river brings.

Four pepper plants growing in the Advanced Plant Habitat (APH) aboard the International Space Station have sprouted several flowers in the past week since NASA astronaut Megan MacArthur shared photos of some of the first flowers blooming.

Mushballs - giant, slushy hailstones made from a mixture of ammonia and water - may be responsible for an atmospheric anomaly at Neptune and Uranus that has been puzzling scientists.

The Institute of Planetary Research at DLR (German Aerospace Center) is starting construction of a new Sample Analysis Laboratory (SAL) dedicated to the study of rock and dust samples from planetary bodies such as asteroids and the Moon.

Space is mostly quiet. Data collected by telescopes is most often turned into silent charts, plots, and images.

These new views showcase the dual nature of the star AG Carinae, which was the target of the NASA/ESA Hubble Space Telescope's 31st anniversary image in April 2021.

Preparing the space station for a future power boost, a mission extension for a couple of station crew members, and a spaceflight first for one of our commercial partners ... a few of the stories to tell you about - This Week at NASA.

SpaceCast Weekly is a NASA Television broadcast from the Johnson Space Center in Houston featuring stories about NASA's work in human spaceflight.

The Inspiration4 crew of newly-minted astronauts returned to Earth Saturday night after 3 days in space. Everyone was smiling.

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.

On Wednesday, Inspiration4 became the first all-civilian space flight to orbit Earth. During their three days in space, crew members Jared Issacman, Sian Procter, Hayley Arceneaux, and Chris Sembroski will see some incredible views from the Dragon capsule's cupola.

Maharloo Lake, a seasonal salt lake in Iran, is featured in this image captured by the Copernicus Sentinel-2 mission.

A 3D virtual reality camera that filmed Sunday's spacewalk has been returned to the inside of the International Space Station.

A variety of robotics work took place today aboard the International Space Station to teach students programming skills and ready a science module for a new robotic arm.

From front to back, Russia's Soyuz MS-18 spacecraft docked to the Rassvet module and the Nauka multipurpose laboratory module attached to the Zvezda module.

Thomas Pesquet: Mexico has its fair share of #CropArt and #EarthArt.

Boom in carbon-sequestering phytoplankton raises new questions about oceanic carbon uptake and productivity

Galaxies can receive and exchange matter with their external environment thanks to the galactic winds created by stellar explosions.

Often, the squeaky wheel, or at least the shiniest object, seems to get all the attention.

Two interactive web experiences let you explore the Martian surface, as seen by cameras aboard the rover and orbiters flying overhead.

Inspiration4 Was launched on Wednesday evening. The crew is happy and healthy - and this is their view.

The Democratic People's Republic of Korea is the blackness to the right, the only little bright spot is Pyongyang.

Scientists connect the dots between where planets form and what they're made of.

Using radio data from the ALMA observatory and physical modelling, astronomers led by Kamber Schwarz (Max Planck Institute for Astronomy and University of Arizona) have managed to determine the mass of a potential "planet factory," the protoplanetary disk around the star GM Aurigae.

Some volcanoes can produce eruptions so powerful they release oceans of dust and toxic gases into the air, blocking out sunlight and changing a planet's climate for decades.

A 900-year-old cosmic mystery surrounding the origins of a famous supernova first spotted over China in 1181AD has finally been solved, according to an international team of astronomers.

An international research team using the Atacama Large Millimeter/submillimeter Array (ALMA) revealed the distribution of heavy hydrogen, or deuterium, in planet formation sites with the highest resolution ever achieved.

Two International Space Station crew members have had their stay onboard the orbiting lab extended to nearly a year.

Thomas Pesquet: The Maldives under clouds. You can still see the capital Malé and its airport. It is amazing how some of the islands are fully built-up and barely seem to stick out of the sea.

The surface of the Moon is a harsh environment with no air, low gravity, dust, and micrometeorites--tiny rocks or metal particles--flying faster than 22,000 mph.