A view of the Milky Way supermassive black hole Sagittarius A* in polarised light
The Event Horizon Telescope (EHT) collaboration, who produced the first ever image of our Milky Way black hole released in 2022, has captured a new view of the massive object at the centre of our Galaxy: how it looks in polarised light. This is the first time astronomers have been able to...
FS Tau is a multi-star system made up of FS Tau A, the bright star-like object near the middle of the image, and FS Tau B (Haro 6-5B), the bright object to the far right that is partially obscured by a dark, vertical lane of dust. The young objects are surrounded by softly illuminated gas and...
This image shows a globular cluster known as NGC 1651. Like the object in another recent Picture of the Week, it is located about 162 000 light-years away in the largest and brightest of the Milky Way’s satellite galaxies, the Large Magellanic Cloud (LMC). A notable feature of this image is...
Dusty Celestial Ornaments Dusty Celestial Ornaments: Supernova Remnant Cassiopeia A
These beautiful bulbs might look like they belong on Christmas trees, but they are actually different Spitzer Space Telescope views of the blown-out remains of a stellar explosion, or supernova. Cassiopeia A is a remnant of such a titanic explosion.
This gauzy-looking celestial body is UGC 5829, an irregular galaxy that lies about 30 million light-years away. Despite there not being many observations of this relatively faint galaxy, it has the distinction of having a descriptive soubriquet: the Spider Galaxy. Perhaps the distorted galactic...
Parallel Field to Protostar IRAS 23385 (MIRI Image)
This image was taken by MIRI (the Mid-Infrared Instrument) on NASA's James Webb Space Telescope of a region near the protostar known as IRAS 23385. The image is a single exposure at a wavelength of 15 microns which has been assigned an orange color.
IRAS 23385 and IRAS 2A (not visible in this...
This image from Webb’s NIRCam (Near-Infrared Camera) instrument shows a portion of the GOODS-North field of galaxies. At lower right, a pullout highlights the galaxy GN-z11, which is seen at a time just 430 million years after the big bang. The image reveals an extended component, tracing the...
This 12-panel series of Hubble Space Telescope images, taken January 5-6, 2024, presents snapshots of a full rotation of the giant planet Jupiter. The Great Red Spot can be used to measure the planet's real rotation rate of nearly 10 hours. The innermost Galilean satellite, Io is seen in...
The giant planet Jupiter, in all its banded glory, is revisited by NASA's Hubble Space Telescope in these latest images, taken on January 5-6, 2024, capturing both sides of the planet. Hubble monitors Jupiter and the other outer solar system planets every year under the Outer Planet Atmospheres...
This is the open star cluster [FSR2007] 1410. An open star cluster is a loosely bound group of a few tens to a few hundred stars. They are found in spiral and irregular galaxies. This object is one of the many cosmic treasures found within the new 1.3 gigapixel Vela Supernova Remnant image,...
This is the planetary nebula PNG 262.4-01.9. A planetary nebula is a region of cosmic gas and dust formed from the cast-off outer layers of a dying star. This object is one of the many cosmic treasures found within the new 1.3 gigapixel Vela Supernova Remnant image, captured with the Department...
This is the globular star cluster CI Ferrero 54. A globular cluster is a spheroidal conglomeration of stars that is bound together by gravity, with a higher concentration of stars towards their centers. This object is one of the many cosmic treasures found within the new 1.3 gigapixel Vela...
This is the clearest view yet of the distant planet Pluto and its moon, Charon, as revealed by the Hubble Space Telescope (HST). The image was taken by the European Space Agency's Faint Object Camera (FOC) on February 21, 1994 when the planet was 2.6 billion miles (4.4 billion kilometers) from...
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