Archives

September 2019



Gregory Laughlin and Malena Rice weren't exactly surprised a few weeks ago when they learned that a second interstellar object had made its way into our solar system.


There is an as-yet-unseen population of Jupiter-like planets orbiting nearby Sun-like stars, awaiting discovery by future missions like NASA's WFIRST space telescope, according to new models of gas giant planet formation by Carnegie's Alan Boss, described in an upcoming publication in The Astrophysical Journal.


The Copernicus Sentinel-2 mission takes us over the 'meeting of waters' in Brazil - where the Rio Negro and the Solimões River meet to form the Amazon River.


Searching for organic molecules in rocks on Mars is no easy task. Curiosity's Sample Analysis at Mars (SAM) instrument is designed to analyze the chemical composition of gases, which it creates by slowly heating rock samples in an oven.


The Chandrayaan-2 lander, Vikram, attempted a landing Sept. 7 (Sept. 6 in the United States), on a small patch of lunar highland smooth plains between Simpelius N and Manzinus C craters.


The number of meltwater lakes on the surface of the East Antarctic Ice Sheet is more significant than previously thought, according to new research.


This year, the official start of fall -- the Autumnal Equinox -- was Monday, Sept. 23, 2019 at 3:50 A.M. EDT.


NASA astronaut Jessica Meir, Oleg Skripochka of the Russian space agency Roscosmos, and Hazzaa Ali Almansoori from the United Arab Emirates (UAE) docked to the International Space Station at 3:42 p.m. EDT.


Christina H Koch @Astro_Christina: What it looks like from @Space_Station when your best friend achieves her lifelong dream to go to space.


Mini robots that can roll, fly, float and swim, then morph into a single machine? Together they form Shapeshifter, a developing concept for a transformational vehicle to explore treacherous, distant worlds.


The Soyuz MS-15 spacecraft is launched with Expedition 61 crewmembers Jessica Meir of NASA and Oleg Skripochka of Roscosmos, and spaceflight participant Hazzaa Ali Almansoori of the United Arab Emirates Wednesday, Sept. 25, 2019 from the Baikonur Cosmodrome in Kazakhstan.


In findings published in science journal Earth and Planetary Science Letters, a sample collected during the 1971 Apollo 14 lunar mission was found to contain traces of minerals with a chemical composition common to Earth and very unusual for the moon.


In January of this year, China's Chang'E-4 - the fourth version of a lunar spacecraft named for the Chinese goddess of the Moon - landed on the far side of the Moon. Due to the location of the landing, Chang'E-4 had to navigate autonomously, without the guidance of scientists on Earth.


Being able to accurately forecast how much solar energy reaches the surface of the Earth is key to guiding decisions for running solar power plants.


Washington State University scientists have developed a way to triple the shelf life of ready-to-eat macaroni and cheese, a development that could have benefits for everything from space travel to military use.


The metallic asteroid Psyche has mystified scientists because it is less dense than it should be. Now, a new theory by researchers including scientists at the University of Arizona could explain Psyche's low density and metallic surface.


As millions of people around the world marched for urgent action on climate change ahead of this week's UN Climate Action Summit, an icebreaker set sail from Norway to spend a year drifting in the Arctic sea ice.


The International Space Station was flying 255 miles above the border between Sudan and Egypt near 1 a.m. local time when an Expedition 60 crewmember photographed this oblique view of the Nile River and its delta.


The extent of Arctic sea ice at the end of this summer was effectively tied with 2007 and 2016 for second lowest since modern record keeping began in the late 1970s.


Many of the best-loved galaxies in the cosmos are remarkably large, close, massive, bright, or beautiful, often with an unusual or intriguing structure or history.


NASA is setting in motion the Orion spacecraft production line to support as many as 12 Artemis missions, including the mission that will carry the first woman and next man to the Moon by 2024.


Dust devils, small dusty whirlwinds, have been studied for decades. But, says Brian Jackson, an associate professor in the Department of Physics at Boise State University, the ability of dust devils to lift dust into the atmosphere remains murky.


Highlighting Artemis with help from Hollywood, preparing to launch to the only laboratory in microgravity, and testing new lunar landing technology ... a few of the stories to tell you about - This Week at NASA.


"Ad Astra" should really have used the entire phrase "Ad Astra Per Aspera" - "through hardships to the stars" - as its title. Brad Pitt certainly endures more than his fair share of hardships during his Homeric trek across the solar system to find and then confront his father.


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


The Copernicus Sentinel-2 mission takes us over Clarence Strait, a narrow body of water in Australia's Northern Territory.


Three Expedition 60 crewmembers finalized four days in a row of rodent research aboard the International Space Station this week. Meanwhile, more space science is underway as the orbiting lab residents prepare to swap crews.


This image taken by the Mars Reconnaissance Orbiter spacecraft shows sedimentary rock and sand within Danielson Crater, an impact crater about 42 miles or 67 kilometers in diameter, located in the southwest Arabia Terra region of Mars.


Northeastern Texas has borne the brunt of Tropical Depression Imelda's heavy rainfall and NASA estimated that rainfall with an algorithm that incorporates data from satellites and observations.


Scientists analysing the treasure trove of images taken by ESA's Rosetta mission have turned up more evidence for curious bouncing boulders and dramatic cliff collapses.


NASA finished assembling and joining the main structural components for the largest rocket stage the agency has built since the Saturn V that sent Apollo astronauts to the Moon.


Understanding the how our universe came to be what it is today and what will be its final destiny is one of the biggest challenges in science.


Two Expedition 60 crewmembers are moving ahead with departure preparations as the rest of their crewmates focused diligently on space biology research today.


The six residents aboard the International Space Station continued more biomedical science and rodent research to improve human health on Earth and in space. The Expedition 60 crew is also gearing up for a crew swap beginning next week.


NASA's Terra Satellite provided a visible image of Hurricane Humberto when it was off the coast of the Carolinas and slowly moving north.


Moving through cosmic forests and spider webs in deep space in search of answers on the origin of the Cosmos.


What is the chemical composition of the Earth's interior?


The Copernicus Sentinel-2 mission takes us over a set of small towns in the Colli Albani hills known collectively as Castelli Romani.


This captivating image was taken in the north polar region of Mars by the ESA/Roscosmos ExoMars Trace Gas Orbiter's CaSSIS camera.


The six Expedition 60 crewmembers aboard the International Space Station began the workweek exploring how microgravity affects a variety of biological systems.


This Copernicus Sentinel-1 image takes us just south of the US border, to the region of Baja California in northwest Mexico. Its capital city, Mexicali, is visible top left of the image.


Scientists have discovered that a mysterious pressure dubbed "dark energy" makes up about 68% of the total energy content of the cosmos, but so far we don't know much more about it.


Wherever fires are burning around the world NASA-NOAA's Suomi NPP satellite's Ozone Mapping and Profiler Suite (OMPS) can track the smoke and aerosols.


This image, taken with the NASA/ESA Hubble Space Telescope, focuses on an object named UGC 695, which is located 30 million light-years away within the constellation Cetus (the Sea Monster), also known as the Whale.


Anyone who has ever peered at Saturn through a small telescope is immediately enticed by its elegant rings, which make the far-flung planet one of the most exotic-looking, opulent worlds in the solar system.


Engineers took NASA's Mars 2020 for a spin on Aug. 29, 2019. The 2,300-pound (1,040-kilogram) Martian vehicle was rotated clockwise and counterclockwise at about 1 revolution per minute on what is called a spin table in the clean room of the Spacecraft Assembly Facility at NASA's Jet Propulsion Laboratory in Pasadena, California.


An international team of astronomers has discovered one of the largest features ever observed in the center of the Milky Way - a pair of enormous radio-emitting bubbles that tower hundreds of light-years above and below the central region of our galaxy.


A newly discovered comet has excited the astronomical community this week because it appears to have originated from outside the solar system.


With data from the NASA/ESA Hubble Space Telescope, water vapour has been detected in the atmosphere of a super-Earth within the habitable zone.


Hot and dry. These are the watchwords for large fires. While every fire needs a spark to ignite and fuel to burn, it's the hot and dry conditions in the atmosphere that determine the likelihood of a fire starting, its intensity and the speed at which it spreads.


Every spring the sun shines on the side of the stack of layers at the North Pole of Mars known as the north polar layered deposits. The warmth destabilizes the ice and blocks break loose.


Almost all the planets of our solar system have moons. Each planetary system has however unique characteristics.


Rosetta observations of 67P/Churyumov-Gerasimenko (67P) reveal that most changes occur in the fallback-generated smooth terrains, vast deposits of granular material blanketing the comet's northern hemisphere.


Just as people of the same age can vary greatly in appearance and shape, so do collections of stars or stellar aggregates.


The final chapter of the historic detection of the powerful merger of two neutron stars in 2017 officially has been written.


Using radar data from NASA's Cassini spacecraft, recently published research presents a new scenario to explain why some methane-filled lakes on Saturn's moon Titan are surrounded by steep rims that reach hundreds of feet high.


The wildfires that have been devastating the Amazon rainforest have been international headline news over the last weeks.


While flying about 260 miles above the border between northeastern China and southeastern Russia, an uncrewed Russian Soyuz spacecraft undocked and departed from the International Space Station at 2:14 p.m. EDT.


On Sept. 4, 2019, a loose chain of tropical cyclones lined up across the Western Hemisphere.


Astronomers have discovered a planet three times the mass of Jupiter that travels on a long, egg-shaped path around its star.


A key tracer used to estimate how much atmosphere Mars lost can change depending on the time of day and the surface temperature on the Red Planet, according to new observations by NASA-funded scientists.


Located in the northern constellation of Ursa Major, which also includes the Big Dipper, nearby galaxy Messier 81 is easily visible through binoculars or a small telescope. M81 is located at a distance of 12 million light-years.


As cosmonaut Oleg Skripochka, NASA astronaut Jessica Meir and spaceflight participant Hazzaa Ali Almansoori ready for their Sept. 25 launch aboard a Soyuz MS-15 spacecraft, tomorrow they will pause in their mission preparations for the ceremonial laying of the flowers at the Kremlin Wall.


Expedition 60 flight engineer Christina Koch of NASA captured this image of Hurricane Dorian from the International Space Station on Sept. 2, 2019 as the storm churned over the northwestern Bahamas.


A new view of Hurricane Dorian shows the layers of the storm, as seen by an experimental NASA weather satellite that's the size of a cereal box.


While many NASA missions are tracking Hurricane Dorian as the storm makes its way toward the United States, some researchers are looking at what Dorian has already left behind.


Pops of bright blue and green in this image of the Fireworks galaxy (NGC 6946) show the locations of extremely bright sources of X-ray light captured by NASA's NuSTAR space observatory.


After a quiet, off-duty day for the crew of Expedition 60 on Labor Day, operations supporting science for long-duration human space exploration and upcoming spaceship movements ramped up on the International Space Station.


Astronaut Nick Hague, aboard the International Space Station, posted this photograph of Hurricane Dorian to Twitter on Sept. 2, 2019. He added, "You can feel the power of the storm when you stare into its eye from above. Stay safe everyone!" Larger image


NASA's IMERG storm-total rain accumulation over parts of Grand Bahama and Abaco islands have exceeded 24 inches according to NASA satellite-based estimates.


This Copernicus Sentinel-3 image features Hurricane Dorian as it pummels the Bahamas on 2 September 2019 at 15:16 GMT (11:16 EDT).


NASA has selected three proposals for concept studies of missions that could help us better understand the dynamic space weather system driven by the Sun that manifests near Earth.


Human research kept the Expedition 60 crew busy today helping NASA and its partners understand how to keep astronauts healthy on long-term space missions.