A beautiful view on the east coast with fluorescent water in blue and algae in red. In the sky, the Milky Way is seen in the Cygnus area with the large nebula NGC 7000. Low on the northern horizon, a faint aurora is also visible with nice colors and some pillars.

Folding pattern by the sea and Jupiter

Fluorescent limestone in red, calcite, in a folding pattern by the sea. Folding patterns in rocks are primarily created through plate tectonics, where the Earth's crust plates collide and compress the bedrock over millions of years. This process, called folding, occurs when rocks are subjected to enormous pressure and temperature conditions, causing them to bend and fold instead of cracking. 

In the sky, the planet Jupiter is seen next to the bright stars Castor and Pollux.

Moon and Jupiter

A clear night in the Swedish mountains where the starry sky is free from light pollution. The bright planet Jupiter lies to the left of the moon this evening with the stars Castor and Pollux obliquely up to the left of Jupiter. Obliquely up to the right of the moon is the star Capella in the constellation Auriga. Below the moon and Jupiter is the constellation Orion with the bright star Sirius far down to the left. Around the moon are thin clouds that almost create a complete halo.

 Potassium feldspar crystals are mainly created by slow crystallization from molten magma deep in the Earth's crust, where heat and pressure cause silicate minerals to arrange themselves into ordered structures as they cool, often in cracks and cavities in granite, or through weathering and transport of older rocks that are then reprecipitated from aqueous solutions. It is a natural geological process where the elements (potassium, aluminum, silicon, oxygen) slowly form the final crystal structure. How the process works: Magmatic Formation (Main): Melting & Ascent: Deep below the Earth's surface, rocks melt to form magma rich in silica, aluminum, and potassium. Slow Cooling: As the magma rises and cools very slowly under high pressure, the minerals have time to organize themselves into regular lattice structures. Crystallization: Potassium and aluminum ions bond with silicon and oxygen (SiO4 tetrahedra) in a specific monoclinic structure (like sanidine) to form feldspar. This process often produces large, well-shaped crystals in, for example, granite. Photo shows fluorescence of Feldspar once magma and almost looks like it during this condition.

The veins of heaven - 23rd NASA APOD

I was honored with my 23rd NASA Astronomy Picture of the Day (APOD) 11 july 2025. It shows beautiful Noctilucent clouds above a local lake near my home in Vallentuna Sweden. 

https://apod.nasa.gov/apod/ap250711.html