China Long March 2D Rocket Launches Shiyan-31 Optical Imaging Test Satellite
Duration: 30 seconds
Release Date: Oct. 14, 2025
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China Long March 2D Rocket Launches Shiyan-31 Optical Imaging Test Satellite
Hickson Compact Group 40: A Flight Through Interacting Galaxies | Hubble
This scientific visualization begins by illustrating the location of the galaxy grouping known as Hickson Compact Group 40 in the constellation Hydra. The camera zooms into a lonely patch of sky inhabited by the close-knit group’s five galaxies, including three spiral galaxies, an elliptical galaxy and a lenticular galaxy. Viewers are then treated to a 3D fly-through of this eclectic bunch and observe how they are situated in relation to each other.
Alhough such cozy galaxy groupings can be found in the heart of huge galaxy clusters, these galaxies are notably isolated in their own small patch of the universe, in the direction of the constellation Hydra.
One possible explanation is that there is a lot of dark matter (an unknown and invisible form of matter) associated with these galaxies. If they come close together, then the dark matter can form a big cloud within which the galaxies are orbiting. As the galaxies plow through the dark matter they feel a resistive force due to its gravitational effects. This slows their motion and makes the galaxies lose energy, so they fall together. Therefore, this snapshot catches the galaxies at a very special moment in their lifetimes. In about 1 billion years they will eventually collide and merge to form a giant elliptical galaxy.
Astronomers have studied this compact galaxy group not only in visible light, but also in radio, infrared, and X-ray wavelengths. Almost all of them have a compact radio source in their cores, which could be evidence for the presence of supermassive black holes. X-ray observations show that the galaxies have been gravitationally interacting due to the presence of a lot of hot gas among the galaxies. Infrared observations reveal clues to the rate of new star formation.
Though over 100 such compact galaxy groups have been cataloged in sky surveys going back several decades, Hickson Compact Group 40 is one of the most densely packed. Observations suggest that such tight groups may have been more abundant in the early universe and provided fuel for powering black holes, known as quasars, whose light from superheated infalling material blazed across space. Studying the details of galaxies in nearby groups like this help astronomers sort out when and where galaxies assembled themselves, and what they are assembled from.
"I remember seeing this on a sky survey and saying, 'wow look at that!'" said Paul Hickson of the University of British Columbia, Vancouver, Canada. "All that I was using at the time was a big plastic ruler and a magnifying glass while looking over sky survey prints." He re-discovered the group by browsing through a collection of peculiar galaxies first published by Halton Arp in 1966.
Hubble was deployed into orbit around Earth by NASA astronauts aboard the space shuttle Discovery, on April 25, 1990. The telescope has taken 1.5 million observations of approximately 50,000 celestial targets to date. This treasure trove of knowledge about the universe is stored for public access in the Mikulski Archive for Space Telescopes, at the Space Telescope Science Institute in Baltimore, Maryland.
Hubble's unique capabilities in observing visible and ultraviolet light are a critical scientific complement to the infrared-light observations of the recently launched Webb Space Telescope, which will begin science observations this summer.
The Hubble Space Telescope is a project of international cooperation between NASA and the European Space Agency (ESA). NASA's Goddard Space Flight Center in Greenbelt, Maryland, manages the telescope. The Space Telescope Science Institute (STScI) in Baltimore, Maryland, conducts Hubble science operations. STScI is operated for NASA by the Association of Universities for Research in Astronomy, in Washington, D.C.
DG Tau: Stellar Genesis | NASA Hubble & Chandra [Budget Alert]
DG Tauri B, near the T Tauri star DG Tauri, is a young stellar object located 450 light-years (140 parsecs) from Earth, within the Taurus constellation. Its most notable characteristics are its bipolar jets of molecular gas and dust emanating from either side of the object. Red-shifted carbon monoxide (CO) emissions extend out 6,000 astronomical units (AU) to the northwest of the object from the undetermined source, and are symmetrically distributed about the jet, while blue-shifted CO emissions are confined to a region with a roughly 500 AU radius.
Image Processor Judy Schmidt: "Star formation is very interesting to me because I think they are incredibly beautiful. Something about witnessing a moment of stellar genesis . . . it makes me feel calm. Sometimes I sit around and try to imagine the dust coalescing from all angles to form a hot disk that eventually ignites the stellar crucible while these fantastic jets blow off the poles . . . it's all said and done in a cosmic instant."
NASA's Chandra X-ray Observatory is being canceled in NASA's Fiscal Year 2026 Budget Request, along with 18 other active science missions. NASA's science budget is being reduced by nearly 50%. NASA's total budget will become the lowest since 1961, after accounting for inflation.
SpaceX Starship Super Heavy Booster Close-up | 11th Flight Test | Starbase Texas
#NASA #SpaceX #Space #Earth #Mars #Moon #MoonToMars #ArtemisProgram #ArtemisIII #Starship #StarshipSpacecraft #Starship11 #StarshipTestFlight11 #SuperHeavyBooster #SuperHeavyRocket #ElonMusk #Engineering #SpaceTechnology #HumanSpaceflight #CommercialSpace #SpaceExploration #StarbaseTexas #Texas #UnitedStates #STEM #Education #HD #Video
SpaceX Starship Splashdown Confirmed! | 11th Flight Test | Starbase Texas
#NASA #SpaceX #Space #Earth #Mars #Moon #MoonToMars #ArtemisProgram #ArtemisIII #Starship #StarshipSpacecraft #Starship11 #StarshipTestFlight11 #SuperHeavyBooster #SuperHeavyRocket #ElonMusk #Engineering #SpaceTechnology #HumanSpaceflight #CommercialSpace #SpaceExploration #StarbaseTexas #Texas #UnitedStates #STEM #Education #HD #Video
SpaceX Starship Liftoff: 11th Flight Test | Starbase Texas
#NASA #SpaceX #Space #Earth #Mars #Moon #MoonToMars #ArtemisProgram #ArtemisIII #Starship #StarshipSpacecraft #Starship11 #StarshipTestFlight11 #SuperHeavyBooster #SuperHeavyRocket #ElonMusk #Engineering #SpaceTechnology #HumanSpaceflight #CommercialSpace #SpaceExploration #StarbaseTexas #Texas #UnitedStates #STEM #Education #HD #Video
SpaceX Starship & Super Heavy on Launchpad: Pre-11th Flight Test | Starbase Texas
#NASA #SpaceX #Space #Earth #Mars #Moon #MoonToMars #ArtemisProgram #ArtemisIII #Starship #StarshipSpacecraft #Starship11 #StarshipTestFlight11 #SuperHeavyBooster #SuperHeavyRocket #ElonMusk #Engineering #SpaceTechnology #HumanSpaceflight #CommercialSpace #SpaceExploration #StarbaseTexas #Texas #UnitedStates #STEM #Education
C/2025 A6 (Lemmon): View from Spain
Astrophotographer Ignacio Fernández: "C/2025 A6 (Lemmon) captured with my usual and modest astromodified a7III at 600mm. By pure chance, I was able to try the Sony 200-600mm a couple of nights ago. My intention was to make a few tests, to shoot Andromeda, Orion, and the Pleiades just to see how they look at 600mm, and I thought of giving the comet a try. I was shocked when I saw it on the camera, and after a while of trial and error, I was able to stack 23 shots—not much more than one hour of integration. For me, it’s the first time I’ve shot and finished a photo at this focal length, and this comet was a great experience to start with."
Comet Lemmon is brightening and moving into morning northern skies. Besides Comet SWAN25B and Comet ATLAS, Comet C/2025 A6 (Lemmon) is now the third comet currently visible with binoculars and on long camera exposures. Comet Lemmon was discovered early this year and is still headed into the inner Solar System. The comet will round the Sun on November 8, but first it will pass its nearest to the Earth—at about half the Earth-Sun distance—on October 21.
Although the brightnesses of comets are notoriously hard to predict, optimistic estimates have Comet Lemmon then becoming visible to the unaided eye. The comet should be best seen in predawn skies until mid-October, when it also becomes visible in evening skies.
Spain, officially the Kingdom of Spain, is a country in Southern and Western Europe with territories in North Africa. Spanning the majority of the Iberian Peninsula, its territory also includes the Canary Islands, in the Eastern Atlantic Ocean, the Balearic Islands, in the Western Mediterranean Sea, and the autonomous cities of Ceuta and Melilla, in mainland Africa. Peninsular Spain is bordered to the north by France, Andorra, and the Bay of Biscay; to the east and south by the Mediterranean Sea and Gibraltar; and to the west by Portugal and the Atlantic Ocean.
3D Model of Star Distribution in Elliptical Galaxy Messier 87 | Hubble
This sequence begins with a Hubble Space Telescope photo of the giant elliptical galaxy Messier 87 (M87). A grid is overlayed to trace out its three-dimensional shape. This information was gleaned from meticulous observations made with the Hubble and Keck telescopes. Astronomers traced motion of stars around the center of M87, like bees around a hive, in order to create a three-dimensional view of how stars are distributed within the galaxy.
Messier 87 (also known as Virgo A or NGC 4486, generally abbreviated to M87) is a supergiant elliptical galaxy in the constellation Virgo that contains several trillion stars. One of the largest and most massive galaxies in the local universe, it also has a large population of globular star clusters—about 15,000 compared with the 150–200 orbiting the Milky Way—and a jet of energetic plasma that originates at the core and extends at least 1,500 parsecs (4,900 light-years), traveling at a relativistic speed. Moreover, it is one of the brightest radio sources in the sky and a popular target for amateur and professional astronomers.
The French astronomer Charles Messier discovered M87 in 1781.
Chamaeleon I Dark Cloud: Closest Star-forming Region to Earth | Hubble
The ominous Chamaeleon I dark cloud, the nearest star-forming region to Earth, is captured in this Hubble Space Telescope image. Chamaeleon I is one portion of the larger Chamaeleon Complex and is home to three reflection nebulae that are brightly illuminated by nearby newly formed stars. The stellar population is between 200–300 and the average star age is around 2 million years.
Chamaeleon I is located about 520 light years from Earth.
A Well-studied Spiral Galaxy: NGC 7496 in Grus | Hubble Space Telescope
The celestial object that is displayed in this NASA/European Space Agency Hubble Space Telescope picture is NGC 7496, a galaxy located over 24 million light-years away in the constellation Grus (The Crane). NGC 7496 is a dusty spiral galaxy with a bar of stars stretching across its center. Adding to its intrigue is an active galactic nucleus: a supermassive black hole that feasts on gas at the very heart of the galaxy.
Astronomers have observed NGC 7496 at wavelengths from radio to ultraviolet in order to study the galaxy’s active galactic nucleus, dust clouds, and star formation. Hubble first observed this galaxy as part of the Physics at High Angular resolution in Nearby GalaxieS (PHANGS) program. With its unique ultraviolet capabilities and fine resolution, Hubble’s view reveals young star clusters bursting with high-energy radiation. Hubble’s observations of NGC 7496 help to reveal the ages and masses of these young stars, as well as the extent to which their starlight is blocked by dust.
This Hubble image incorporates new data that highlight the galaxy’s star clusters that are surrounded by glowing red clouds of hydrogen gas. Astronomers collected these data in order to study nebulae like those that massive stars leave behind when they explode as supernovae and that become the source of newborn stars.
Image Description: A spiral galaxy featuring a bright, glowing core that is crossed by a horizontal bar of yellowish light. Spiral arms emerge from each end of this bar and wrap around it, creating a disc that is stretched out to the right. Mostly along the arms are areas glowing in pink where stars are forming in nebulae. Webs of dark reddish dust also follow the arms. A star in our galaxy shines prominently, off to the right.
#NASA #ESA #Hubble #Astronomy #Space #Science #Galaxies #NGC7496 #Grus #Constellations #Cosmos #Universe #HubbleSpaceTelescope #HST #GSFC #STScI #UnitedStates #Europe #STEM #Education
New Earth Orbital Views | Shenzhou-20 Crew Mission | China Space Station
The Shenzhou-20 astronauts entered the space station on April 25, 2025, for a mission expected to last around 6 months.
NS-36 Spaceflight Experience: Danna Karagussova | Blue Origin
"Seeing Earth from space changes everything."
On October 8, 2025, Blue Origin successfully completed the 36th flight for the New Shepard program. The crew included: Jeff Elgin, Danna Karagussova, Clint Kelly III, Will Lewis, Aaron Newman, and Vitalii Ostrovsky. New Shepard has now flown 86 humans (80 individuals) into space.
"Today’s mission is a testament to the relentless spirit of exploration exhibited by this crew," said Phil Joyce, SVP, New Shepard. "We are reminded of the profound effect that seeing Earth from above has on each astronaut. This experience fosters a deeper connection to our planet and drives us to continue working together to push the boundaries of what is possible."
Fly to space: https://www.blueorigin.com/new-shepard/fly
Dusty Comet C/2025 R2 (SWAN) & Horsehead Nebula: View from Chile
A new visitor from the outer Solar System, comet C/2025 R2 (SWAN), also known as SWAN25B, was discovered on September 11, 2025. This was just a day before the comet reached perihelion, its closest approach to the Sun. First spotted by Vladimir Bezugly in images from the SWAN instrument on the sun-staring SOHO spacecraft, the comet was surprisingly bright but understandably difficult to see against the Sun's glare.
Near the western horizon after sunset and slightly easier to see in binoculars from the southern hemisphere, this comet SWAN is scheduled to make its closest approach to our fair planet around October 20.
Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes Mountains and the Pacific Ocean. Chile shares borders with Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage to the south.
#NASA #Astronomy #Space #Science #C2025R2SWAN #CometSWAN25B #Comets #Coma #CometaryTails #SolarSystem #HorseheadNebula #MilkyWayGalaxy #Cosmos #Universe #Astrophotography #AlessandroCarrozzi #Astrophotographers #Chile #SouthAmerica #GSFC #UnitedStates #STEM #Education
Nebula NGC 2170 in Monoceros | NASA Spitzer & WISE Infrared Space Telescopes
"These dusty star-forming regions tend to also be interesting in infrared, so I decided to see what kind of data was available in the archives. Lo and behold, Spitzer had observed the region in my favorite bands and so I set forth to compose this . . . there is a load of star formation going on in there. When looking at these particular infrared bands I find it's easier to think in terms of dust rather than stars, though. Sure, there are points of light that are stars, but it seems to me that without the dust component they'd all be oddly invisible."
#NASA #Astronomy #Space #SpitzerSpaceTelescope #NASASpitzer #SST #NASAWISE #SpaceTelescopes #InfraredAstronomy #Nebulae #Nebula #NGC2170 #ReflectionNebula #Monoceros #Constellations #MilkyWayGalaxy #Cosmos #Universe #JPL #Caltech #UnitedStates #STEM #Education
China's Orienspace Launches World's Largest Solid Fuel Commercial Rocket by Ship
Orienspace, a private Chinese rocket manufacturer, successfully launched the 30-meter-tall Gravity 1 Y2 commercial carrier rocket with four solid-rocket boosters (SRBs) on Saturday, Oct. 11, 2025, at 10:20 a.m. Beijing Time (BJT) from its launch ship off the coast of Haiyang in east China's Shandong Province. This marked the second flight of the world's largest and most powerful commercial solid-propellant rocket that produces 600 tonnes of thrust at liftoff. The Gravity 1 Y2 rocket delivered three satellites into their planned Earth orbits. The payloads were an optical remote-sensing satellite and two experimental satellites.
This was the 20th offshore launch at the Oriental Aerospace Port. Prior to this, Yantai had already hosted 19 offshore rocket launch missions, sending a total of 130 satellites into space.
This mission was the second flight of the Gravity 1 after its debut launch from the same site in January 2024.
Xu Guoguang, chief designer and project manager of Gravity 1, said the second flight aimed to further verify the rocket's reliability and capability, its pre-launch preparations and the launch sequence, as well as to demonstrate its ability to handle multiple flight trajectories. The Gravity 1 rocket model features three core stages and four boosters, all powered by solid-propellant engine and equipped with flexible swinging nozzles.
With a liftoff weight of 405 metric tons and a thrust of 600 tons, the rocket can carry a spacecraft weighing up to 6.5 tons to a low-Earth orbit, or 4.2 tons to a typical sun-synchronous orbit at an altitude of 500 kilometers, according to Orienspace—founded in 2020 by a group of veteran researchers from State-owned space enterprises.
Gravity 1 is the most powerful commercial rocket currently in China.
Its liftoff weight and thrust surpass those of the European Space Agency's Vega-C, previously the world's most powerful solid-propellant rocket.
In addition, Gravity 1 is the first and currently the only private rocket in China that has side boosters and the largest fairing, or nose cone—the top structure on a rocket that contains satellites or other payloads.
The use of solid fuel is "convenient and safe." It allows for the process of rocket assembly, testing and launch to be completed within a 5 kilometer radius, significantly reducing production time and cost.
Offshore launches offer additional advantages in terms of safety and frequency with potential for weekly launch missions using a single vessel, according to OrienSpace.
The Gravity-1 rocket structure is designed for rapid mass production. Its core and boosters have the same diameter, simplifying the manufacturing process and significantly improving manufacturing efficiency, while cutting production costs.
OrienSpace said it aimed to achieve liquid rocket recyclability and reusability within 1-2 years, increasing its carrying capacity to 15-20 tonnes and further driving down costs.
#NASA #Space #Satellites #Earth #China #中国 #OrienSpace #东方空间 #SeaLaunch #Haiyang #ShandongProvince #RocketLaunch #Gravity1Y2 #引力1号 #SolidFuelRocket #CommercialSpace #ChinaSpaceflight #SpaceTechnology #AerospaceEngineering #STEM #Education #HD #Video