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NASA/JPL

This scene would be beautiful even without the comet. By itself, the sunrise sky is an elegant deep blue on high, with faint white stars peeking through, while near the horizon is a pleasing tan. By itself, the foreground hills of eastern Slovakia are appealingly green, with the Zadňa hura and Veľká hora hills in the distance, and with the lights of small towns along the way. Venus, by itself on the right, appears unusually exquisite, surrounded by a colorful atmospheric corona. But what attracts the eye most is the comet. On the left, in this composite image taken just before dawn yesterday morning, is Comet Nishimura. On recent mornings around the globe, its bright coma and long ion tail make many a morning panoramic photo unusually beautiful. Tomorrow, C/2023 P1 (Nishimura) will pass its nearest to the Earth for about the next 434 years.

Beautiful Comet Nishimura

Categories Space

This artist’s concept shows stars, black holes, and nebula laid over a grid representing the fabric of space-time. Ripples in this fabric are called gravitational waves. The NANOGrav collaboration detected evidence of gravitational waves created by black holes billions of times the mass of the Sun. Credit: NANOGrav collaboration; Aurore Simonet

15 Years of Radio Data Reveals Evidence of Space-Time Murmur

Categories Physics & Mathematics, Space

Freshwater bodies like this braided river in New Zealand are among those that researchers measured with water-level sensors and GPS during validation efforts for the international SWOT satellite, which launched in December. Credit: Alyssa LaFaro, UNC Research

Crews Head Down River, Out to Sea to Prep New SWOT Water Satellite

Categories Earth, Energy & Environment, Space, Technology

NASA’s Perseverance Mars rover uses SHERLOC – one of several instruments on the end of its robotic arm – to study rocks in an area nicknamed “Skinner Ridge.” Credit: NASA/JPL-Caltech/ASU/MSSS

NASA’s Perseverance Rover Sees Mars in a New Light

Categories Space, Technology

Image of the asteroid Dimorphos, with compass arrows, scale bar, and color key for reference. The north and east compass arrows show the orientation of the image on the sky. Note that the relationship between north and east on the sky (as seen from below) is flipped relative to direction arrows on a map of the ground (as seen from above).

Hubble sees boulders escaping from asteroid dimorphos

Categories Space

Graph depicting canopy information obtained from GEDI.

NASA space laser provides answers to a rainforest canopy mystery

Categories Earth, Energy & Environment, Technology

The first anniversary image from NASA’s James Webb Space Telescope displays star birth like it’s never been seen before, full of detailed, impressionistic texture. The subject is the Rho Ophiuchi cloud complex, the closest star-forming region to Earth. It is a relatively small, quiet stellar nursery, but you’d never know it from Webb’s chaotic close-up. Jets bursting from young stars crisscross the image, impacting the surrounding interstellar gas and lighting up molecular hydrogen, shown in red. Some stars display the telltale shadow of a circumstellar disk, the makings of future planetary systems. Download the full-resolution, uncompressed version and supporting visuals from the Space Telescope Science Institute: https://webbtelescope.org/contents/media/images/2023/128/01H449193V5Q4Q6GFBKXAZ3S03?news=true

Webb celebrates first year of science with close-up on birth of sun-like stars

Categories Space

This deep galaxy field from Webb’s NIRCam (Near-Infrared Camera) shows an arrangement of 10 distant galaxies marked by eight white circles in a diagonal, thread-like line. (Two of the circles contain more than one galaxy.) This 3 million light-year-long filament is anchored by a very distant and luminous quasar – a galaxy with an active, supermassive black hole at its core. The quasar, called J0305-3150, appears in the middle of the cluster of three circles on the right side of the image. Its brightness outshines its host galaxy. The 10 marked galaxies existed just 830 million years after the big bang. The team believes the filament will eventually evolve into a massive cluster of galaxies.

NASA’s Webb identifies the earliest strands of the cosmic web

Categories Physics & Mathematics, Space

R Aquarii Sonofication

Cosmic Harmonies: Sonifications From NASA Telescopes

Categories Space, Technology

The 2017 eclipse as captured by Chasing the Eclipse I project.

NASA selects 5 experiments for 2024 total solar eclipse

Categories Space

SwRI contributed to new Cycle 1 JWST findings that show the plume of water escaping from Saturn’s moon Enceladus extends 6,000 miles or more than 40 times the moon’s size. In light of this discovery, SwRI’s Dr. Christopher Glein was awarded a NASA JWST Cycle 2 allocation to study the plume as well as the icy surface of Enceladus, to better understand the potential habitability of this ocean world.

Saturn’s Moon Enceladus Throws Water Party Visible from Space

Categories Space

A Hubble Space Telescope image of the globular star cluster, Messier 4. The cluster is a dense collection of several hundred thousand stars. Astronomers suspect that an intermediate-mass black hole, weighing as much as 800 times the mass of our Sun, is lurking, unseen, at its core. Credits: ESA/Hubble, NASA

NASA’s Hubble hunts for intermediate-sized black hole close to home

Categories Physics & Mathematics, Space

Bands of rocks may have been formed by a very fast, deep river – the first such evidence found for on Mars

Wild river on Mars emerges from images, rock evidence

Categories Space

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