Why doesn’t Earth have Trojan asteroids of its own? Large impacts in the early years of the solar system may be to blame. The post Where Did Earth’s Trojans Go? Ask the Moon appeared first on Sky & Telescope.
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Scientists Wonder: Is the Origin of Life Extraterrestrial?
A new analysis method has revealed DNA building blocks in meteorites, suggesting that these prebiotic molecules might have formed during the solar system’s earliest years. The post Scientists Wonder: Is the Origin of Life Extraterrestrial? appeared first on Sky & Telescope.
Read MoreHow to Observe and Measure Naked-eye Sunspots
As Solar Cycle 25 ticks up, naked-eye sunspots are becoming more frequent. They’re not only fun to observe, but with this simple method you can determine just how big they are. We also have news on a bright supernova! The post How to Observe and Measure Naked-eye Sunspots appeared first on Sky & Telescope.
Read MoreNew Target for Asteroid Probe: “Potentially Hazardous” Apophis
Once the primary mission of NASA’s OSIRIS-REx is complete, the spacecraft will head toward a new destination: near-Earth asteroid Apophis. The post New Target for Asteroid Probe: “Potentially Hazardous” Apophis appeared first on Sky & Telescope.
Read MoreWhat’s in Store for the Next Decade of Planetary Science
Big winners in the planetary science decadal survey include a Uranus flagship mission, a orbiter and lander for Enceladus, and an emphasis on planetary defense. The post What's in Store for the Next Decade of Planetary Science appeared first on Sky & Telescope.
Read MoreIcy Moon Europa May Host Water Near the Surface
Radar measurements of ice on Earth suggest that Jupiter’s moon Europa might host water near its surface. The post Icy Moon Europa May Host Water Near the Surface appeared first on Sky & Telescope.
Read MoreSummer on Neptune is Surprisingly Chilly
Even though Neptune is entering its version of summer, it’s actually cooling down — except for its poles, which are mysteriously warming up. The post Summer on Neptune is Surprisingly Chilly appeared first on Sky & Telescope.
Read MoreCelebrate Spring with the Lyrids
People have been watching the annual Lyrid meteor shower for more than 2,700 years. Come join the crowd! The post Celebrate Spring with the Lyrids appeared first on Sky & Telescope.
Read MoreU.S. Space Force Releases Data on Bright Fireballs
The U.S. Department of Defense has released data on some 1,000 bright fireballs. Scientists are still debating if the data confirm an interstellar meteor. The post U.S. Space Force Releases Data on Bright Fireballs appeared first on Sky & Telescope.
Read MoreListen to the Martian Soundscape
Two microphones on Mars, carried on NASA’s Perseverance rover, are for the first time revealing the sounds of another planet. The post Listen to the Martian Soundscape appeared first on Sky & Telescope.
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