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Comet Shoemaker-Levy 9
Comet Shoemaker-Levy 9 (SL9, formally designated D/1993 F2) was a comet which collided with Jupiter in 1994, providing the first direct observation of the collision of two solar system objects.
Note: The above text is excerpted from the Wikipedia article "Comet Shoemaker-Levy 9", which has been released under the GNU Free Documentation License.
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March 29, 2025
Mar. 20, 2025 — The Dark Energy Spectroscopic Instrument used millions of galaxies and quasars to build the largest 3D map of our universe to date. Combining their data with other experiments shows signs that the impact of dark energy may be weakening over time -- ...
Mar. 19, 2025 — On 19 March 2025, the European Space Agency's Euclid mission releases its first batch of survey data, including a preview of its deep fields. Here, hundreds of thousands of galaxies in different shapes and sizes take center stage and show a glimpse ...
Mar. 13, 2025 — At least two mass extinction events in Earth's history were likely caused by the 'devastating' effects of nearby supernova explosions, a new study suggests. Researchers say these super-powerful blasts -- caused by the death of a massive star -- may ...
Mar. 20, 2025 — Astronomers have detected oxygen in the most distant known galaxy, JADES-GS-z14-0. This record-breaking detection is making astronomers rethink how quickly galaxies formed in the early ...
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Mar. 25, 2025 — Deep below the Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the chemicals fossilized within ...
Mar. 24, 2025 — The longest organic molecules identified to date on Mars have recently been detected. These long carbon chains, containing up to 12 consecutive carbon atoms, could exhibit features similar to the ...
Mar. 24, 2025 — To mitigate global climate change, emissions of the primary culprit, carbon dioxide, must be drastically reduced. A newly developed process helps solve this problem: CO2 is directly split ...
Mar. 5, 2025 — Satellite images from space are allowing scientists to delve deeper into the individual functions of different tropical forest canopies with new and ...
Mar. 18, 2025 — Physicists have measured a nuclear reaction that can occur in neutron star collisions, providing direct experimental data for a process that had ...
Mar. 18, 2025 — Where do meteorites of different type come from? In a review paper, astronomers trace the impact orbit of observed meteorite falls to several previously unidentified source regions in the asteroid ...
Mar. 17, 2025 — The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet ...
Mar. 17, 2025 — A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new ...
Mar. 17, 2025 — New modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit and spin properties have ...
Mar. 13, 2025 — Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new ...