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Panning over Starstruck Image of Irregular Galaxy Arp 263 | Hubble
The irregular galaxy Arp 263 lurks in the background of this image from the NASA/European Space Agency Hubble Space Telescope, but the view is dominated by a stellar photobomber; the bright star BD+17 2217. Arp 263—also known as NGC 3239—is a patchy, irregular galaxy studded with regions of recent star formation, and astronomers believe that its ragged appearance is due to its having formed from the merger of two galaxies. It lies around 25 million light-years away in the constellation Leo.
Image Description:An irregular galaxy that appears like a triangle-shaped patch of tiny stars. It is densest in the center and along one edge, growing faint out to the opposite corner. Several bright pink patches mark areas of star formation, and the galaxy’s brightest stars are around these. A large, bright star, with two sets of long spikes, stands between the viewer and the galaxy.
The interloping foreground star, BD+17 2217, is adorned with two sets of criss-crossing diffraction spikes. The interaction of light with Hubble’s internal structure means that concentrated bright objects such as stars are surrounded by four prominent spikes. Since this image of BD+17 2217 was created using two sets of Hubble data, the spikes from both images surround this stellar photobomber. The spikes are at different angles because Hubble was at different orientations when it collected the two datasets.
Two different Hubble investigations into Arp 263, using two of Hubble’s third-generation instruments, contributed data to this image. The first investigation was part of an effort to observe the sites of recent supernovae, such as the supernova SN 2012A that was detected just over a decade ago in Arp 263. Astronomers used Hubble’s powerful Wide Field Camera 3 to search for lingering remnants of the colossal stellar explosion. The second investigation is part of a campaign using Hubble’s Advanced Camera for Surveys to image all the previously unobserved peculiar galaxies in the Arp catalogue, including Arp 263, in order to find promising subjects for further study using the James Webb Space Telescope.
Credit: European Space Agency (ESA)/Hubble & NASA, J. Dalcanton, A. Filippenko, N. Bartmann
¿Hay océanos en otros mundos? Preguntamos a un científico de la NASA
¿Hay océanos en otros mundos? ¡Sí! La Tierra no es la única que tiene: sospechamos que hay mundos en nuestro propio sistema solar que tienen océanos debajo de su superficie de hielo. El científico de la NASA Lucas Paganini te cuenta más.
NASA's Moghbeli & O’Hara + Russians on Spacewalk| International Space Station
NASA Astronaut Loral O'Hara on spacewalk
NASA Astronauts Loral O'Hara & Jasmin Moghbeli on spacewalk
Astronaut Loral O'Hara on spacewalk
Astronaut Jasmin Moghbeli on spacewalk
Astronaut Jasmin Moghbeli on spacewalk
Roscosmos spacewalker Oleg Kononenko (Russia)
Roscosmos spacewalker Nikolai Chub (Russia)
Orbital nighttime in the station's cupola—the "window to the world"
NASA astronauts Jasmin Moghbeli and Loral O’Hara concluded their spacewalk on Nov. 1, 2023, after 6 hours and 42 minutes. They had teamed up for their first spacewalks! Moghbeli was designated extravehicular crew member 1 (EV1), was wearing a suit with red stripes. O’Hara, designated extravehicular crew member 2 (EV 2), was in an unmarked suit.
Moghbeli and O’Hara were able to complete one of the spacewalk’s two major objectives, replacing one of the 12 trundle bearing assemblies on the port solar alpha rotary joint. This allows the arrays to track the Sun and generate electricity to power the station. Mission Control told the station crew that the solar array is functioning well after the bearing replacement. The spacewalkers also removed a handling bar fixture to prepare for future installation of a roll-out solar array and properly configured a cable that was previously interfering with an external camera.
Moghbeli and O’Hara are in the midst of a science mission living and working aboard the microgravity laboratory to advance scientific knowledge and demonstrate new technologies for future human and robotic exploration missions, including lunar missions through NASA’s Artemis program.
Expedition 70 Flight Engineers Oleg Kononenko (suit with red stripes) and Nikolai Chub (suit with blue stripes), from Russia's space agency Roscosmos, are pictured during a spacewalk on Oct. 25, 2023. This was the sixth spacewalk in Kononenko’s career, and the first for Chub. It was the 268th spacewalk for space station assembly, maintenance, and upgrades.
Station Commander: Andreas Mogensen of the European Space Agency (Denmark)
Roscosmos (Russia): Oleg Kononenko, Nikolai Chub, Konstantin Borisov
JAXA: Flight Engineer Satoshi Furukawa (Japan)
NASA: Jasmin Moghbeli, Loral O'Hara (USA)
An international partnership of space agencies provides and operates the elements of the International Space Station (ISS). The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada. The ISS has been the most politically complex space exploration program ever undertaken.
Stepping Out for a Spacewalk at the International Space Station | This Week @NASA
Week of Nov. 3, 2023: Stepping out for a spacewalk at the International Space Station, the first asteroid flyby for our Lucy spacecraft, and signing up for safe and peaceful space exploration . . . a few of the stories to tell you about—This Week at NASA!
Credit: National Aeronautics and Space Administration (NASA)
Full Moon above a Cloudy South Indian Ocean | International Space Station
The full Moon is pictured from the International Space Station as it orbited 271 miles above a cloudy south Indian Ocean half-way between Australia and Antarctica.
Station Commander: Andreas Mogensen of the European Space Agency (Denmark)
Roscosmos (Russia): Oleg Kononenko, Nikolai Chub, Konstantin Borisov
JAXA: Flight Engineer Satoshi Furukawa (Japan)
NASA: Jasmin Moghbeli, Loral O'Hara (USA)
An international partnership of space agencies provides and operates the elements of the International Space Station (ISS). The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada. The ISS has been the most politically complex space exploration program ever undertaken.
Virgin Galactic’s fifth commercial spaceflight—and sixth successful human space mission in six months—was launched from Spaceport America, New Mexico, on November 2, 2023, at 09:00 local time. VSS Unity, the second SpaceShipTwo, transported three passengers: Dr. Alan Stern, Kellie Gerardi, Ketty Pucci-Sisti Maisonrouge; as well as Colin Bennett (Astronaut Instructor). The flight reached an apogee of 54.2m miles (~87 km).
Astronaut 020 – Dr. Alan Stern, U.S. Planetary Scientist and Associate Vice President in Southwest Research Institute’s (SwRI) Space Sector
Astronaut 021 – Kellie Gerardi, U.S. Payload Specialist and Bioastronautics Researcher for the International Institute for Astronautical Sciences (IIAS)
Dr. Stern flew with two human-tended experiments, including a biomedical harness to collect physiological data related to human spaceflight. He also conducted practice routines and procedures in preparation for a future NASA-funded suborbital research flight.
Dr. Alan Stern, U.S. Planetary Scientist and Associate Vice President in Southwest Research Institute’s (SwRI) Space Sector, said: “The success of this mission is another important step in the development of the scientific and educational use cases for commercial suborbital vehicles. The potential here is literally astronomical.”
Dr. Stern was the principal investigator of NASA's New Horizons mission to Pluto
Planet Saturn Takes a Spin | Hubble Space Telescope
Witness Saturn in motion! This timelapse animation combines 13 Hubble Space Telescope images obtained over a span of about 20 hours. Saturn’s day is just 10.5 hours long, so this video features nearly two full rotations of the planet.
The rotation is most evident by watching the bright cloudy patches near the planet’s north pole. The pole is noticeably darker than the butterscotch tones seen at lower latitudes.
Credit: NASA, ESA, A. Simon (GSFC) and the OPAL Team, and J. DePasquale (STScI).
NASA's Space to Ground: Moghbeli & O'Hara Spacewalk | Week of Nov. 3, 2023
NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station. NASA astronauts Jasmin Moghbeli and Loral O’Hara concluded their spacewalk on Nov. 1, 2023, after 6 hours and 42 minutes. They had teamed up for their first spacewalks!
Moghbeli and O’Hara were able to complete one of the spacewalk’s two major objectives, replacing one of the 12 trundle bearing assemblies on the port solar alpha rotary joint. This allows the arrays to track the Sun and generate electricity to power the station. Mission Control told the station crew that the solar array is functioning well after the bearing replacement. The spacewalkers also removed a handling bar fixture to prepare for future installation of a roll-out solar array and properly configured a cable that was previously interfering with an external camera.
Moghbeli and O’Hara are in the midst of a science mission living and working aboard the microgravity laboratory to advance scientific knowledge and demonstrate new technologies for future human and robotic exploration missions, including lunar missions through NASA’s Artemis program.
Station Commander: Andreas Mogensen of the European Space Agency (Denmark)
Roscosmos (Russia): Oleg Kononenko, Nikolai Chub, Konstantin Borisov
JAXA: Flight Engineer Satoshi Furukawa (Japan)
NASA: Jasmin Moghbeli, Loral O'Hara (USA)
An international partnership of space agencies provides and operates the elements of the International Space Station (ISS). The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada. The ISS has been the most politically complex space exploration program ever undertaken.
Learn more about the important research being operated on Station:
China's iSpace Hyperbola-2 Rocket: Successful Vertical Takeoff & Landing Test
A Chinese commercial rocket company has successfully launched and landed a test vehicle on its path to developing a reusable rocket. iSpace’s Hyperbola-2 (SQX-2) launch vehicle performed a successful vertical takeoff, vertical landing (VTVL) test at the Jiuquan Satellite Launch Center, Gansu Province, China, on Nov. 2, 2023, at 06:00 UTC (14:00 local time). Hyperbola-2 is a small, reusable, two-stage liquid-propellant launch vehicle, designed by iSpace (Beijing Interstellar Glory Space Technology Corporation Ltd.) to launch up to 1.9 tons to low-Earth orbit.
The Hyperbola-2 methane-liquid oxygen reusable verification stage rose to a height of 178 meters during its 51-second flight. It performed a powered descent and soft landing, supported by four landing legs. The 3.35-meter-diameter, 17m-long test stage is powered by a variable thrust Focus-1 engine.
The vertical takeoff, vertical landing test marks progress towards a reusable medium-lift rocket to debut in 2025. It is also the latest marker in Chinese efforts to emulate the success of SpaceX and its Falcon 9 rocket.
The flight verified iSpace’s variable thrust methalox propulsion, vertical landing guidance, navigation, guidance and control, and will be used to test recovery and reuse processes. The footage did not indicate a restarting of the Focus-1 engine, but the company has previously conducted ground restart hot fire tests.
The successful hop test “marks a major breakthrough in China’s commercial aerospace industry in reusable launch vehicle technology. It also signals the charge for China’s aerospace sector to catch up with the world’s most advanced levels in reusable launch vehicle technology” an iSpace statement read.
The test is part of the company’s plan to develop the Hyperbola-3 rocket with a reusable first stage. iSpace is skipping the previously-planned smaller Hyperbola-2, the company stated at the 9th China (International) Commercial Aerospace Forum in July this year.
The company is targeting a first flight of the 13.4-metric-ton to low Earth orbit (LEO) Hyperbola-3 rocket in 2025. A demonstration of reuse will follow in 2026. The 69-meter-long rocket will be able to lift 8.5 tons to LEO in reusable mode. iSpace says it aims to conduct 25 Hyperbola-3 launches per year by 2030.
The Hyperbola-3B, a triple-core version of the rocket, akin to the Falcon Heavy in configuration, will be capable of carrying no less than 15 tons to LEO, according to iSpace.
iSpace made history as the first privately-funded Chinese company to reach orbit in 2019 with the solid-fueled Hyperbola-1 rocket. The company however suffered three consecutive failures with the rocket, before a successful return to flight earlier this year. Further launches of the solid rocket are expected in the coming year, despite competition from Galactic Energy’s Ceres-1 and Expace’s Kuaizhou rockets.
iSpace is not the only Chinese company working on reusable rockets. Galactic Energy recently performed a hop test with a jet engine-powered article. CAS Space, a spin-off from the Chinese Academy of Sciences, has likewise conducted such tests to verify algorithms. Deep Blue Aerospace completed a successful kilometer-level rocket launch and landing test in 2022.
Another competitor, Space Pioneer, is planning to launch its Tianlong-3 rocket in the first half of 2024. The rocket will be comparable to Falcon 9 in launch capability and eventually to be made reusable. Landspace’s methalox Zhuque-2 is also expected to be converted for reusability.
China opened up its space sector to private and commercial activity in 2014. This is seen as largely in reaction to the explosion of commercial space in the U.S. The central government has since implemented policies and published guidance to support the development of commercial space.
2023 has been a notable year for China’s commercial launch companies. CAS Space, Galactic Energy, iSpace, Expace, Space Pioneer and Landspace have all reached orbit. These include first Chinese commercial liquid propellant launch successes, achieved by Space Pioneer and Landspace.
The Tiangong Space Station is expected to provide an opportunity for commercial launch vehicles to gain contracts to deliver cargo. The national Guowang LEO broadband megaconstellation is also expected to provide opportunities for commercial actors.
Video Credit: iSpace (Beijing Interstellar Glory Space Technology Corporation Ltd.)
Tonight's Sky: November 2023 (Northern Hemisphere)
In November 2023, hunt for the fainter constellations of fall, including Pisces, Aries, and Triangulum. They will guide you to find several galaxies and a pair of white stars. Stay tuned for space-based views of M74 and the Triangulum Galaxy, which are shown in visible, infrared, and ultraviolet light.
“Tonight’s Sky” is a monthly video of constellations you can observe in the night sky. The series is produced by the Space Telescope Science Institute, home of science operations for the Hubble Space Telescope, in partnership with NASA’s Universe of Learning.
This product is based on work supported by NASA under award numbers NNX16AC65A to the Space Telescope Science Institute, working in partnership with Caltech/IPAC, Jet Propulsion Laboratory, Smithsonian Astrophysical Observatory, and Sonoma State University.
Flyby of Dinkinesh Reveals Binary Asteroid System | NASA's Lucy Spacecraft
On Nov. 1, 2023, NASA's Lucy spacecraft flew by the small Main Belt asteroid Dinkinesh (previously known as 1999 VD57) and revealed that it is actually a binary asteroid system.
“Dinkinesh really did live up to its name; this is marvelous,” said Hal Levison, referring to the meaning of Dinkinesh in the Amharic language, “marvelous.” Levison is principal investigator for Lucy from the Boulder, Colorado, branch of the San-Antonio-based Southwest Research Institute. “When Lucy was originally selected for flight, we planned to fly by seven asteroids. With the addition of Dinkinesh, two Trojan moons, and now this satellite, we’ve turned it up to 11.”
This asteroid flyby was added to Lucy’s list of targets in January 2023. The primary purpose of the Dinkinesh encounter was to test the spacecraft’s Terminal Tracking System. This will keep Lucy's instruments pointing at the asteroid as it flies by at 10,000 miles per hour. The Lucy mission’s record-breaking tour will explore at least ten small solar system bodies.
The Lucy spacecraft will now head back towards Earth for its second gravity assist in December 2024. This assist will send the spacecraft to explore the Jupiter Trojan asteroids.
NASA's "Espacio a Tierra" | Un paseo en el espacio: 27 de octubre de 2023
Espacio a Tierra, la versión en español de las cápsulas Space to Ground de la NASA, te informa semanalmente de lo que está sucediendo en la Estación Espacial Internacional.
The Sounds of a New Planetary System | NASA Ames Data Sonification
This is the first planetary system where each planet is bathed in more radiant heat from their host star per area than any in our solar system.
This sonification turns the orbits of a new seven-planet system, discovered by NASA’s retired Kepler space telescope, into sound. It begins at the center of the system with the innermost orbit and builds toward the outermost, introducing each orbit with a new sound that plays once per rotation around the central Sun-like star. It then focuses on two specific orbits in resonance. This creates a beating sound with the inner rotating twice in the same period as the outer rotates three times. Next, only the three outer-most planets are singled out as an orbital resonance chain before blending all seven together again.
The Kepler space telescope was NASA’s first planet-hunting mission, assigned to search a portion of the Milky Way galaxy for Earth-sized planets orbiting stars outside our solar system. During nine years in deep space Kepler, and its second act, the extended mission dubbed K2, showed our galaxy contains billions of hidden "exoplanets," many of which could be promising places for life. They proved that our night sky is filled with more planets even than stars—knowledge that revolutionizes understanding of our place in the cosmos.
Kepler has opened our eyes to the diversity of planets that exist in our galaxy. Analysis of Kepler’s discoveries concludes that 20 to 50 percent of the stars visible in the night sky are likely to have small, possibly rocky, planets similar in size to Earth, and located within the habitable zone of their parent stars. That means they are located at distances from their parent stars where liquid water—a vital ingredient to life as we know it—might pool on the planet surface.
Sierra Space Introduces Reusable Dream Chaser Spaceplane "Tenacity"
The First Spaceplane in the New Dream Chaser Fleet: Sierra Space has proudly revealed a product of passionate determination, innovations and relentless commitment—the remarkable Dream Chaser spaceplane. The first vehicle "Tenacity," is complete and will ship to NASA’s Neil Armstrong Test Facility in Ohio for environmental testing in the coming weeks.
It is the world’s sole commercial runway-capable spaceplane. Supported by a substantial contract from NASA to resupply the International Space Station, Dream Chaser is poised to lead the way in democratizing access to space, forging a path towards shared space exploration and international cooperation.
Dream Chaser Tenacity Spaceplane: “Today we have arrived at a profound milestone in both our company’s journey and our industry’s future—one that has been years in the making and is shaped by audacious dreaming and tenacious doing,” said Sierra Space CEO Tom Vice.
“I am reminded of a comment made by Steve Jobs that every once in a while, a revolutionary product comes along that changes everything. I think Dream Chaser is that product. This breakthrough shifts paradigms and redefines space travel. The Dream Chaser is not just a product; it’s a testament to human spirit, determination and the relentless pursuit of what lies beyond.”
Sierra Space team members gathered to celebrate this milestone moment on October 30th, at the company’s Louisville, CO, production facility.
Unlocking Opportunities for Space Access
The versatile Dream Chaser spaceplane fleet is meticulously designed to facilitate the transportation of cargo and, in the future, crew to low-Earth orbit (LEO). This multi-mission platform offers customization options to cater to the needs of both domestic and international customers, further enhancing its role in global space operations. Under NASA’s Commercial Resupply Services 2 (CRS-2) contract, Dream Chaser has been selected to provide essential cargo delivery, return, and disposal services for the International Space Station.
Dream Chaser showcases its mettle by safely withstanding temperatures exceeding 3,000 degrees during re-entry, all while being cool to the touch mere minutes after landing. The incorporation of the most advanced autonomous flight system, ensuring a minimum 15-mission lifespan, marks a monumental leap forward in space transportation.
Years of dedication have resulted in the creation of a new propulsion and oxidizer-fuel system, a more eco-friendly and responsible approach to space travel.
The inaugural Dream Chaser spaceplane, “Tenacity,” is poised to embark on its initial seven cargo missions to and from the International Space Station, carrying essential supplies such as food, water and scientific experiments. One of Dream Chaser’s groundbreaking features is its capability to safely return critical cargo to Earth at fewer than 1.5g’s, ensuring the preservation of invaluable payloads. This innovative spaceplane offers unparalleled flexibility and can land at any compatible commercial runway worldwide, just like a narrow body commercial airliner.
Setting New Standards for Reusability and Adaptability
Dream Chaser’s high reusability and adaptability set it apart, making it an optimal choice for a wide range of applications while ensuring rapid turnaround times to meet various LEO requirements. The launch for this extraordinary journey is schedule to occur from NASA’s Kennedy Space Center. Sierra Space’s launch provider, United Launch Alliance (ULA), will carry Dream Chaser into orbit on the second Vulcan Centaur rocket. Tenacity’s maiden resupply mission will culminate with the vehicle’s return, landing at the historic NASA Space Shuttle Landing Facility.
As “Tenacity” embarks on its maiden mission, it sets the stage for a brighter future of space transportation and cooperation, bringing humanity’s dreams of space exploration one step closer to reality.
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