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Solar System

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the size of a house may very well burn up in the atmosphere still?
As Dorsetknob alluded to, it would depend on many variables such as the type of object it is, it's speed and it's atmospheric entry vector. For example: A metallic type going fast with steep angle of entry would impact hard before atmospheric friction could disintegrate it. However, if it's angle of entry is shallow, it would likely disintegrate before impact.

With the particular object stated above, if it were to impact it's angle of entry is too shallow to cause much damage to the ground. It's speed in relation to Earth is actually rather low, so it might hit ground, but again damage would be minimal, even in a populated area. Not much to worry about.
 
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After the successful completion of its “Checkpoint” rehearsal, NASA’s first asteroid-sampling spacecraft is one step closer to touching down on asteroid Bennu. Yesterday, NASA’s OSIRIS-REx spacecraft performed the first practice run of its sample collection sequence, reaching an approximate altitude of 75 m over site Nightingale before executing a back-away burn from the asteroid. Nightingale, OSIRIS-REx’s primary sample collection site, is located within a crater in Bennu’s northern hemisphere.

 
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NASA's Juno mission captured these elaborate atmospheric jets in Jupiter's northern mid-latitude region.


New images from a NASA sounding rocket provide the highest-resolution views ever captured of the Sun’s outer atmosphere (corona), revealing fine strands of million-degree solar material.

NASA's Spitzer Space Telescope took this image of the California Nebula on Jan. 25, 2020, five days before the spacecraft was decommissioned.

 
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This was a very interesting video;
 

stinger608

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I think I see an old Ford pickup in that first picture. :laugh:
 
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I think I see an old Ford pickup in that first picture. :laugh:
Europa's surface always reminds me of eyeball blood vessels XD All these intricate zigzagging 'canals' look so cool.
Unfortunately Jupiter's radiation belt will make any manned mission to Europa a one-way mission.
 
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NASA’s Solar Terrestrial Relations Observatory captured these images of comet ATLAS as it swooped by the Sun from May 25 – June 1.





 
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Candor Chasma in central Valles Marineris on Mars is filled with light-toned layered deposits thought to be sandstones, perhaps formed in an ancient wet and potentially habitable environment.
This view comes from the HiRISE camera aboard NASA's Mars Reconnaissance Orbiter.




The wonders of time and erosion are on full display in this image of layered hills in Arabia Terra, Mars, as imaged by the HiRISE camera aboard NASA's Mars Reconnaissance Orbiter. Along with the hills, we see dark dunes that the HiRISE team is monitoring for activity due to the wind.




Japan's resupply ship, the H-II Transfer Vehicle-9 (HTV-9)



Newly-Processed Views of Venus from Mariner 10
 
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The Space In-between: Aurora Australis



Much of Mars is covered by sand and dust but in some places stacks of sedimentary layers are visible. In this image, exquisite layering is revealed emerging from the sand in southern Holden Crater. Sequences like these offer a window into Mars' complicated geologic history.



Looking deep into the universe, the NASA/ESA Hubble Space Telescope catches a passing glimpse of the numerous arm-like structures that sweep around this barred spiral galaxy, known as NGC 2608. Appearing as a slightly stretched, smaller version of our Milky Way, the peppered blue and red spiral arms are anchored together by the prominent horizontal central bar of the galaxy.



This two-frame animation of Proxima Centauri blinks back and forth between New Horizons and Earth images of each star, clearly illustrating the different view of the sky New Horizons has from its deep-space perch.



This two-frame animation of Wolf 359 blinks back and forth between New Horizons and Earth images of each star, clearly illustrating the different view of the sky New Horizons has from its deep-space perch.



These NASA Hubble Space Telescope snapshots reveal an impact scar on Jupiter fading from view over several months between July 2009 and November 2009.


 
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On June 21, 2020, as the ISS orbited over Kazakhstan and into China, an external high-definition camera captured this picture of the solar eclipse shadowing a portion of Asia.




 
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Jupiter's Magnificent Swirling Clouds



Comet C/2020 F3 NEOWISE appears as a string of fuzzy red dots in this composite of several heat-sensitive infrared images taken by NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) mission on March 27, 2020.



Comet NEOWISE captured on July 6, 2020, above the northeast horizon just before sunrise in Tucson.


https://www.theregister.com/2020/07/10/planet_nine_black_hole/ (thanks @dorsetknob)



 
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Comet C/2020 F3, NEOWISE


Radio/Optical composite image of the edge-on spiral galaxy NGC 4217. Magnetic field lines (green), revealed by the VLA, extend far above and below the plane of the galaxy.
 
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Juno Takes First Images of Jovian Moon Ganymede's North Pole



Hubble Sees Summertime on Saturn. Two of Saturn's icy moons are also clearly visible in this exposure: Mimas at right, and Enceladus at bottom.





 
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Curiosity's selfie taken on Sol 2082 (June 15, 2018). A Martian dust storm has reduced sunlight and visibility at the rover's location in Gale Crater.

More pictures from Curiosity











 
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‘Dragon' Feature on Mars
Part of the canyon floor and wall rock in southwestern Melas Chasma on Mars meanders in a pattern resembling a dragon.
The HiRISE camera onboard the Mars Reconnaissance Orbiter captured the image on July 4, 2007.



As ISS orbited more than 200 miles above our home planet, the crew caught this glimpse of the sunrise casting long shadows over a cloudy Philippine Sea as the station orbited off the coast of the Philippines northeast of Manila.




 

the54thvoid

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Mars versus Venus.... Which has got more chance of life?


Phosphine has been detected in the clouds and the study's authors are stumped after trying to recreate it without biological inference.

The presence of PH3 is unexplained after exhaustive study of steady-state chemistry and photochemical pathways, with no currently known abiotic production routes in Venus’s atmosphere, clouds, surface and subsurface, or from lightning, volcanic or meteoritic delivery. PH3 could originate from unknown photochemistry or geochemistry, or, by analogy with biological production of PH3 on Earth, from the presence of life. Other PH3 spectral features should be sought, while in situ cloud and surface sampling could examine sources of this gas.
All those probes that get boiled up in the atmosphere? Aliens. Gotta be. Tiny little microbial aliens.
 
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