Asteroid Psyche: $10,000 quadrillion or rubble pile?
Metal asteroid Psyche was estimated to be worth $10,000 quadrillion. But a new study suggests it’s less metallic and more porous than thought. Scientists are calling it a “rubble pile.”
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Photos of the moon and the Beehive
Photographers on opposite sides of Earth captured images of the moon and the Beehive star cluster as they paired up in mid-June 2021.
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Earthâs lopsided core? Strangeness in our planetâs interior
A new computer model suggests Earth’s lopsided core growth. That is, the inner core grows faster on one side than the other. Faster cooling on one side of the core helps explain why.
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What is a magnetar?
Magnetic magnetars Can you imagine a magnet so powerful that it could wipe every credit card on Earth from a…
The post What is a magnetar? first appeared on EarthSky.
Young moon, Venus, Mars after sunset mid-June
These next several evenings – June 11, 12 and 13, 2021 – watch for the young moon to return to the evening sky. As viewed from North America, the slender crescent pairs up with Venus on June 11 and Mars on June 13. Enjoy!
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See 1st new images of Ganymede in over 20 years
NASA’s Juno spacecraft has sent back the first new closeup images of Jupiter’s largest moon Ganymede in over 20 years. They show the moon’s craters, light and dark patches and tectonic faults in beautiful detail. See them here!
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Favorite photos of âring of fireâ solar eclipse
Stunning photos of the June 10, 2021 ‘ring of fire’ solar eclipse photos.
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Top 7 tips for observing the sun safely
The solar eclipse of June 10, 2021 will take place at sunrise for parts of North America. Here are some tips on observing the sun safely.
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NASA and UFOs: Space agency to take closer look
NASA Administrator Bill Nelson wants the space agency to start taking a closer look at UFO reports like the ones coming from Navy pilots in recent years. He has directed NASA scientists to move forward with new ways of discussing the decades-old phenomenon.
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Circumpolar stars never rise or set
Circumpolar stars stay above the horizon all hours of the day, every day and every night of the year.
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