Earth’s average surface temperature in 2023 was the warmest on record, according to an analysis by NASA. Global temperatures last year were around 2.1 degrees Fahrenheit (1.2 degrees Celsius) above the average for NASA’s baseline period (1951-1980), scientists from NASA’s... Continue Reading →
This animation focuses mainly on data about Arctic sea ice and vegetation.The animation is a combination of NASA's Earth datasets which are published monthly and this GIF uses one frame per month to show the fluctuating seasons. The NASA Earth... Continue Reading →
What is that unusual red halo surrounding this aurora? It is a Stable Auroral Red (SAR) arc. SAR arcs are rare and have only been acknowledged and studied since 1954. The featured wide-angle photograph, capturing nearly an entire SAR arc surrounding more common green... Continue Reading →
The Sun emitted a strong solar flare, peaking at 3:16 p.m. ET on Feb. 17, 2023. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Solar flares are powerful bursts of energy. Flares and solar... Continue Reading →
Have you ever seen an entire rainbow? From the ground, typically, only the top portion of a rainbow is visible because directions toward the ground have fewer raindrops. From the air, though, the entire 360-degree circle of a rainbow is more commonly visible. Pictured... Continue Reading →
Could the stem of our Milky Way bloom into an auroral flower? No, not really, even though it may appear that way in today’s featured all-sky image. On the left, the central plane of our home galaxy extends from the horizon past the middle of the sky.... Continue Reading →
The Sun released an X1 solar flare, a powerful burst of energy, captured by Solar Dynamics Observatory (SDO) on Oct. 2, 2022. X-class are the most intense flares, while the number provides more information about its strength. For instance, an X1 flare is half... Continue Reading →
The Operational Land Imager aboard the Landsat 8 satellite captured this natural-color image of Hurricane Ian’s eye on Sept. 28, 2022 at 11:57 a.m. EDT (15:57 UTC), three hours before the storm crashed into the coast in Caya Costa, Fla. When Ian’s eyewall made landfall, its maximum... Continue Reading →
The beauty in this image comes in layers. On the bottom layer is the picturesque village of Manlleu in Barcelona, Spain. The six-minute exposure makes car lights into streaks. The next layer is a mountain -- Serra de Bellmunt -- of Europe's famous Pyrenees. Next up is a tremendous lightning... Continue Reading →
Scents of Science 