Venera 10 landed in the area shown here at two scales - at left a map spanning 500 km shows major landforms, at right, full Magellan resolution gives us details of part of the landing ellipse. We see mixed geology - the dark areas are smooth (ish) plains, probably sediments blown around by the wind. What makes sediment on Venus? Impacts, chemical weathering and maybe volcanic ash. A big bright area (Hyndla Regio) is an upland cut by many faults.
#venus #venera10
Here is an old Soviet version of the Venera 10 image, a bit too contrasty so details get lost especially at the horizon. But what we see is different from Venera 9's boulders. This is a nearly flat area with platy slabs of rock interspersed with darker gravelly soil. One of the rocky slabs is cracked. The two objects are a densitometer to measure surface hardness and a lens cover ejected from the camera after landing.
#venus #venera10
We have seen the Venera 9 and 10 panoramas, but take a look at this from the Planetary Society:
https://www.planetary.org/space-images/rectified-vs-original-venera-9-and-10-panoramas
(presented without any explanation on that page). This version has more detail:
https://www.planetary.org/space-images/standing-on-venus-with-venera-10
These are artistic re-workings of the panoramas, rearranging bits of the images to create a more understandable view. I show them because they pop up in image searches and are often misrepresented as original images.
#venus #venera10
OK, what did Venera 10 see? This is the link I gave earlier to Don Mitchell's page about Venus images:
http://mentallandscape.com/C_CatalogVenus.htm
and here is the raw Venera 10 image:
http://mentallandscape.com/C_Venera10.jpg
His expert processing gives us this:
http://mentallandscape.com/C_Venera10_Processed.jpg
(raw, gaps filled from second image, remaining gaps filled by interpolation)
Both of these Venera landers carried a second camera on the opposite side of the lander, but in each case it failed to operate.
#venus #venera10
Here is an old Soviet version of the Venera 10 image, a bit too contrasty so details get lost especially at the horizon. But what we see is different from Venera 9's boulders. This is a nearly flat area with platy slabs of rock interspersed with darker gravelly soil. One of the rocky slabs is cracked. The two objects are a densitometer to measure surface hardness and a lens cover ejected from the camera after landing.
#venus #venera10
OK, what did Venera 10 see? This is the link I gave earlier to Don Mitchell's page about Venus images:
http://mentallandscape.com/C_CatalogVenus.htm
and here is the raw Venera 10 image:
http://mentallandscape.com/C_Venera10.jpg
His expert processing gives us this:
http://mentallandscape.com/C_Venera10_Processed.jpg
(raw, gaps filled from second image, remaining gaps filled by interpolation)
Both of these Venera landers carried a second camera on the opposite side of the lander, but in each case it failed to operate.
#venus #venera10
The south part of the map contains a large volcanic shield (Samodiva Mons) which has released lava flows showing up as brighter lobate markings extending north and east from the shield. The 300 km circle is the landing location - it could be anywhere in there. The closeup, 100 km wide, shows the plains cut by ridges (east-west) and fractures (north-south). The bright hills are cut by many fractures. Little domes at the left edge are small volcanoes. What did Venera 10 land on?
#venus #venera10
Venera 10 landed in the area shown here at two scales - at left a map spanning 500 km shows major landforms, at right, full Magellan resolution gives us details of part of the landing ellipse. We see mixed geology - the dark areas are smooth (ish) plains, probably sediments blown around by the wind. What makes sediment on Venus? Impacts, chemical weathering and maybe volcanic ash. A big bright area (Hyndla Regio) is an upland cut by many faults.
#venus #venera10
The south part of the map contains a large volcanic shield (Samodiva Mons) which has released lava flows showing up as brighter lobate markings extending north and east from the shield. The 300 km circle is the landing location - it could be anywhere in there. The closeup, 100 km wide, shows the plains cut by ridges (east-west) and fractures (north-south). The bright hills are cut by many fractures. Little domes at the left edge are small volcanoes. What did Venera 10 land on?
#venus #venera10
Venera 10 landed in the area shown here at two scales - at left a map spanning 500 km shows major landforms, at right, full Magellan resolution gives us details of part of the landing ellipse. We see mixed geology - the dark areas are smooth (ish) plains, probably sediments blown around by the wind. What makes sediment on Venus? Impacts, chemical weathering and maybe volcanic ash. A big bright area (Hyndla Regio) is an upland cut by many faults.
#venus #venera10
Venera 10 launched 6 days after V9 (14 June '75) and landed 3 days after its sibling (25 October). This map shows the area. Like Venera 9 it was east of Beta Regio, but 1500 km further south. As with all landers so far the target was essentially unknown, only seen in very low resolution radar reflectivity images from Earth. Here we see a landscape of bright (rough) and dark (smoother) features, which we will see closer tomorrow.
#venus #venera10
... but when Magellan images became available they attracted more attention:
https://www.hou.usra.edu/meetings/lpsc2016/pdf/2094.pdf
(similar content, slightly more condensed URL)
If I continued with my Venus atlas project I would certainly have been mapping this stuff, but it's not going to happen.
Tomorrow it's time to move on the Venera 10.
#venus #venera9
When we looked at Soviet lunar missions I showed the Luna 22 bistatic radar image of part of the Moon. It didn't tell us much we didn't know about the Moon (rocky surfaces and slopes facing the radar will reflect it on to the detector). But a year later Venera 9 used bistatic radar to study Venus, an utterly unknown surface, so in a sense the Luna 22 lunar data are like 'ground truth' for Venus. The results were published at the time in a Russian journal...
#venus #venera9
"Nothing succeeds like excess" -Dame Maggie Smith 💖🧚🏽♀️✨
#bathroommirrorselfie #selfie #trans #transgender #transwoman #transgirl #tgirl #tranding #tranifesting #php #transfemme #transisbeautiful #transrightsarehumanrights #transpride #transjoy #pride #transawareness #transawarenessweek #lgbtq #lgbtqia+ #hotgirl #sexyaf #divinity #venus #unabashedslut #sequins #gold #glitterslut
Here's that map with its crudely separated section. But what's this? Why have I rotated it? As far as I can tell there is absolutely no information about the orientation of the map, so here it is in an arbitrary orientation. I suppose a whole-sky image might have revealed the direction of the sun (30 degrees above the horizon), but we don't have one. Shadows don't tell us anything, they are all just under rocks, not to one side. There's a lot we don't know.
#venus #venera9
Bathroom-mirror selfies are my love language 💖✨🧚🏽♀️💞🪿🪿
#selfie #bathroom #trans #transgender #transwoman #tgirl #tranding #transisbeatiful #sexy #hot #didimentionsexy #fuckit #sexyagain #goddess #divinityincarnate #venus #spookyqueen #geese #pixie
#Venus. Broeder Gheraerts Naturkunde, Utrecht 15th century. Wolfenbüttel, Herzog August Bibliothek, Cod. Guelf. 18.2 Aug. 4°, fol. 124r.
#medieval #MedievalArt
🤔 Why Is Venus Hell and Earth an Eden? | Quanta Magazine
｢ The planet’s extreme inhospitality is at the heart of one of the most beguiling mysteries in planetary science. Venus and Earth formed at the same time, from the same geologic building blocks, in pretty much the same part of the solar system. They’re even the same size. So why is Venus a hellscape, and Earth a garden? ｣
https://www.quantamagazine.org/why-is-venus-hell-and-earth-an-eden-20250915/
Marc
boosted
The dog days of August are officially here.
The lower right corner shows Sirius, the dog star in morning twilight. That signifies the start of the dog days.
Jupiter and Venus are left of center. Orion is upper right quadrant.
#NewMexico#Twilight#Morning#Photography#Astrophotography#Venus#Jupiter#Orion#Sirius#DogDays#August#DogStar#CanisMajor
The dog days of August are officially here.
The lower right corner shows Sirius, the dog star in morning twilight. That signifies the start of the dog days.
Jupiter and Venus are left of center. Orion is upper right quadrant.
#NewMexico#Twilight#Morning#Photography#Astrophotography#Venus#Jupiter#Orion#Sirius#DogDays#August#DogStar#CanisMajor