2021年03月11日 Zodiacal Light and Mars Image Credit & Copyright: Joshua Rhoades Explanation: Just after sunset on March 7, a faint band of light still reaches above the western horizon in this serene, rural Illinois, night skyscape. Taken from an old farmstead, the luminous glow is zodiacal light, […]
2021年03月10日 NGC 1499: The California Nebula Image Credit & Copyright: Yannick Akar Explanation: Could Queen Calafia’s mythical island exist in space? Perhaps not, but by chance the outline of this molecular space cloud echoes the outline of the state of California, USA. Our Sun has its ho
2021年03月09日 Perseverance 360: Unusual Rocks and the Search for Life on Mars Image Credit: NASA, JPL-Caltech, ASU, MSSS Explanation: Is that a fossil? Looking through recent images of Mars taken by the new Perseverance rover may seem a bit like treasure hunting, with the possibility of fame coming to
2021年03月08日 Three Tails of Comet NEOWISE Image Credit & Copyright: Nicolas Lefaudeux Explanation: What created the unusual red tail in Comet NEOWISE? Sodium. A spectacular sight back in the summer of 2020, Comet NEOWISE, at times, displayed something more than just a surprisingly striated white
2021年03月07日 Pillars of the Eagle Nebula in Infrared Image Credit: NASA, ESA, Hubble, HLA; Processing: Luis Romero Explanation: Newborn stars are forming in the Eagle Nebula. Gravitationally contracting in pillars of dense gas and dust, the intense radiation of these newly-formed bright stars is caus
2021年03月06日 Perseverance Takes a Spin Image Credit: NASA, JPL-Caltech, Mars 2020 Explanation: After arriving at Jezero Crater on Mars, Perseverance went for a spin on March 4. This sharp image from the car-sized rover’s Navcam shows tracks left by its six wheels in the martian soil. In prepara
2021年03月05日 A Little Like Mars Image Credit & Copyright: Robert Barsa Explanation: The surface of this planet looks a little like Mars. It’s really planet Earth though. In a digitally stitched little planet projection, the 360 degree mosaic was captured near San Pedro in the Chilean Ataca
2021年03月04日 Mars in Taurus Image Credit & Copyright: Petr Horalek / Institute of Physics in Opava Explanation: You can spot Mars in the evening sky tonight. Now home to the Perseverance rover, the Red Planet is presently wandering through the constellation Taurus, close on the sky to the Seven
2021年03月03日 Stars over an Erupting Volcano Image Credit & Copyright: Giuseppe Vella Explanation: Mt. Etna has been erupting for hundreds of thousands of years. Located in Sicily, Italy, the volcano produces lava fountains over one kilometer high. Mt. Etna is not only one of the most active volc
2021年03月02日 Ingenuity: A Mini-Helicopter Now on Mars Illustration Credit: NASA, JPL-Caltech, Mars 2020 – Perseverance Explanation: What if you could fly around Mars? NASA may have achieved that capability last month with the landing of Perseverance, a rover which included a small flight-worthy
