Inverted City Beneath Clouds
How could that city be upside-down? The city, Chicago, was actually perfectly right-side up. The long shadows it […]
NASA
The X Ray Sky from eROSITA
What if you could see X-rays? The night sky would seem a strange and unfamiliar place. X-rays are […]
Moon Mountains Magnified during Ring of Fire Eclipse
What are those dark streaks in this composite image of yesterday’s solar eclipse? They are reversed shadows of […]
Moon Occults Venus
It may look like Earthrise, but it’s actually Venus-set. Just after sunrise two days ago, both the Moon […]
Northern Summer on Titan
Today’s solstice brings summer to planet Earth’s northern hemisphere. But the northern summer solstice arrived for ringed planet […]
The Veins of Heaven
Transfusing sunlight through a darkened sky, this beautiful display of noctilucent clouds was captured earlier this week, reflected […]
NASA, Partner Space Agencies to Release Global View of COVID-19 ...
NASA, ESA (European Space Agency) and JAXA (Japan Aerospace Exploration Agency) will unveil a dashboard of satellite data […]
The Tadpoles of IC 410
This telescopic close-up shows off the central regions of otherwise faint emission nebula IC 410, captured under backyard […]
Magnetic Streamlines of the Milky Way
What role do magnetic fields play in interstellar physics? Analyses of observations by ESA’s Planck satellite of emission […]
APOD is 25 Years Old Today
Welcome to the quadranscentennial year of the Astronomy Picture of the Day. Perhaps a source of consistency for […]