Astronomy Picture Of The Day: A total solar eclipse from space!

 

#NASA, #Space, #astronomy, #διάστημα, #Sun, #TotalSunEclipse, #Moon

This is what a total solar eclipse looks like from space. Images from NASA.

Wild seeing the eclipse as an actual moon shadow sweeping across the planet.

Astronomy Picture Of The Day: Total Solar Eclipse!

 

#NASA, #Space, #astronomy, #διάστημα

Βlack Hole

Total Solar Eclipse in HDR Credit: M.Hlaváč, P.Horálek & J.Kujal

Astronomy Picture Of The Day: A massive sunspot group!

 

#NASA, #Space, #astronomy, #διάστημα, #Sun

Scientists report the appearance of a solar region capable of unleashing powerful magnetic storms on Earth. A massive sunspot group has emerged on the far side of the Sun; experts are already calling it one of the most dangerous seen in recent years. In terms of scale, it is being compared to Region 3664, which triggered the strongest magnetic storm in two decades earlier in 2024. The region will become visible from Earth in the coming days, and in about a week, it will be positioned directly facing our planet—the most critical location for potential impacts from solar activity. Powerful solar flares can cause disruptions to communications and navigation systems, as well as problems for power grids. At the same time, the heightened activity means residents of many countries may be able to witness auroras in areas where they do not typically occur.

Astronomy Picture Of The Day: An incredible, record-resolution image of a solar flare !

 

#Astronomy, #NASA , #Space, #διάστημα, #Sun

An incredible, record-resolution image of a solar flare captured in the H-alpha line (wavelength 656.28 nm) by the Daniel K. Inouye Solar Telescope.

The image shows dark coronal loops during the decay phase of an X1.3-class flare. Coronal loops are arcs of plasma that follow the Sun's magnetic field lines. They often precede solar flares, which occur when magnetic field lines twist and snap, releasing vast amounts of energy. This energy release fuels solar storms that can impact Earth's critical infrastructure. The side of the image spans approximately four Earth diameters.

Astronomy Picture Of The Day: Hottest to Coldest!

 

#NASA, #Space, #astronomy, #διάστημα, #Mars

Black Hole@konstructivizm

The Hottest Planet Isn’t Even Closest to the SunIt’s one of the most surprising facts in our Solar System: Venus, not Mercury, is the hottest planet.While the Sun’s visible surface blazes at a ferocious 5,500°C, Venus reigns supreme among the planets with a crushing average surface temperature of 464°C — hot enough to melt lead. Mercury, despite being much closer to the Sun, can’t compete. Without a substantial atmosphere, it endures wild temperature swings: roasting at over 400°C during the day and plunging to -180°C at night.Venus’s secret is its deadly atmosphere. A thick blanket of carbon dioxide, laced with sulfuric acid clouds, creates a runaway greenhouse effect so extreme that heat is trapped with brutal efficiency. It’s like living inside a pressure cooker that never cools down.From one extreme to the other, our Solar System displays an astonishing range:Venus: 464°C (hottest) Mercury: wildly swinging extremes Earth: comfortable 15°C average Pluto: -225°C (bone-chilling cold) Distance from the Sun matters, but atmosphere is the real game-changer.Tap the image and explore the Solar System’s blazing hot zones to its frozen outer reaches — a dramatic reminder of how different conditions can turn neighboring worlds into fiery infernos or icy wastelands.

Astronomy Picture Of The Day: How Long does it take Light to travel from the Sun to the Planets!!!

 

#διάστημα,#NASA, #Space, #astronomy, #διάστημα,#Sun, #MERCURY, #Uranus, #Earth, #venus, #Jupiter, #Mars, #Saturn, #Neptune

Here's a more captivating, emoji-enhanced rewrite that keeps the wonder of the cosmos alive while using accurate average light-travel times (rounded for readability, based on mean orbital distances):Light is the undisputed speed champion of the universe—blazing along at ~300,000 km/s (186,000 mi/s). Nothing outruns it. Period. In one heartbeat (just 1 second), a beam of light could loop around Earth more than 7 times! Yet even this cosmic sprinter needs time to cross our Solar System. Come ride along on sunlight's epic journey from the Sun to each planet:→ Mercury — just 3 minutes → Venus — about 6 minutes → Earth — roughly 8 minutes 20 seconds (our everyday sunshine is already 8+ minutes old!) → Mars — around 13 minutes → Jupiter — ~43 minutes → Saturn — about 1 hour 20 minutes → Uranus — roughly 2 hours 40 minutes → Neptune — a stunning 4 hours Mind-blowing, right? When you gaze at the Sun, you're seeing it as it was 8 minutes ago. When astronomers photograph distant Neptune, they're capturing light that left the Sun four hours earlier. Every telescope is secretly a time machine. We're all looking back in time every time we look up.The universe is vast… and light still takes its sweet time getting here.

Astronomy Picture Of The Day: The first sunrise of 2026

 

#NASA, #Space, #astronomy, #διάστημα, #Earth, #Sun #Sunrise #2026Sunrise, #ISS

The first sunrise of 2026 hitting the atmosphere

#ISS

The Crescent Dunes Solar Project

 

#SunEnergy #EnergyTransition #Energy

Interesting Engineering

@IntEngineering

The Crescent Dunes Solar Project in Nevada uses 10,000+ mirrors to heat molten salt, storing solar energy like a thermal battery. It provides clean power 24/7, paving the way for a sustainable future.

Astronomy Picture Of The Day: Ο Ήλιος όπως δεν τον έχετε ξαναδεί!!!

 

#NASA, #Space, #astronomy, #διάστημα #NASA, #Space, #astronomy, #διάστημα, #theSun

Black Hole 

@konstructivizm

Nasa released the clearest photo of the sun ever taken