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☄️ Hubble could re-enter atmosphere as early as 2028

｢ From an initial altitude of more than 600 km, Hubble is now well below 500 km. The more rapid descent in recent years is at least partly due to increased solar activity, which has caused Earth's atmosphere to expand, but it also highlights the need for a reboost in the next few years before the telescope becomes unrecoverable ｣

theregister.com/2026/02/25/hub…

#hubble #science #space


Hubble in a death spiral that could end as early as 2028 without a reboost

: Orbit decay accelerates as solar activity rises, with no approved mission yet to raise the telescope's altitude
Richard Speed (The Register)
#Space #science #hubble

#Hubble telescope 🔭 discovers rare galaxy that is 99% dark matter. Via @spacedotcom #Space #Astrophysics #OrbitalMechanics #Astronomy 🚀 🌌 ☄️ 🛰️

Hubble telescope discovers rar...

#Space #astronomy #astrophysics #hubble #OrbitalMechanics

Hubble image of Arp 321, also known as Hickson 40.

This group of galaxies include three spiral galaxies, an elliptical galaxy, and a lenticular (lens-like) galaxy. The group is so compact it could fit within a region of space that is less than twice the diameter of our Milky Way's disk.

Credit: NASA, ESA, STScI, A. Pagan
Source: science.nasa.gov/asset/hubble/…

#ArpGalaxy #Galaxy #Space #Astronomy #Hubble

Five galaxies appear close to each other in the sky. At upper left, a spiral galaxy is tilted, appearing wider than it is tall. It has a glowing yellow center and reddish-brown dust trails that spiral clockwise around it. Above the center is a large elliptical galaxy. Its round, glowing yellow center is surrounded by a fuzzy yellow halo that fades away from the core. Toward the bottom right are three galaxies that appear to touch. The largest is in the center: a nearly vertical, edge-on spiral galaxy. Its glowing yellow core is mostly obscured by reddish-brown dust trails dotted with blue stars. To its bottom left is a smaller, tilted spiral galaxy with a glowing yellow center. Reddish-brown dust trails are dotted with blue stars. One spiral arm appears to touch the vertical galaxy to its right. At the spiral’s bottom right is a lenticular galaxy with a glowing central core in the middle of a hazy yellow disk, appearing almost face-on. It seems to touch the large spiral galaxy above it.

Hickson Compact Group 40 - NASA Science

NASA is celebrating the Hubble Space Telescope's 32nd birthday with a stunning look at an unusual close-knit collection of five galaxies, called The Hickson Compact Group 40.
Andrea Gianopoulos (NASA Science)
#Space #astronomy #galaxy #arpgalaxy #hubble

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