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Posts by
Paul Scott Anderson
Big-nosed dinosaur species discovered
Scientists have identified a new big-nosed dinosaur species among a collection of bones discovered on the Isle of Wight in southern England. This dinosaur had a much larger snout than either of the other two known species at the time.
November 28, 2021
Planet orbiting 2 stars discovered by TESS
NASA's TESS mission has just found its first planet orbiting 2 stars. It's a Jupiter-sized world that takes less than an Earth-year to complete one orbit.
November 21, 2021
Piece of the moon? Asteroid might have lunar origin
Astronomers at the University of Arizona say that a peculiar near-Earth asteroid may actually be a lost piece of the moon that broke off in the ancient past.
November 18, 2021
Weird rocky exoplanets unlike any seen before
Astronomers say they have evidence for weird rocky exoplanets that are unlike any in our own solar system, based on the chemical analysis of white dwarf stars.
November 9, 2021
Revealing hidden alien oceans, with chemistry
NASA scientists say that to find hidden alien oceans on distant exoplanets, use chemistry. Ocean worlds will have distinctly different atmospheric compositions from planets that don't have oceans, including a lack of ammonia.
November 5, 2021
Exoplanet lost its atmosphere in ancient impact
A young Earth-sized exoplanet lost its atmosphere in a giant impact about 200,000 years ago, leaving behind clues in leftover dust and carbon monoxide gas.
November 4, 2021
A new field guide for hot Jupiters
A new field guide for hot Jupiters combines Hubble Space Telescope observations with theoretical models. It should inform ideas about planet formation.
October 28, 2021
Asteroid Bennu’s boulder mystery solved
Asteroid Bennu's boulder mystery has now been solved, scientists say. Highly porous rocks explain the abundant large rocks but lack of fine sand-like regolith.
October 27, 2021
See 42 of the largest asteroids in new images
Astronomers with the European Southern Observatory (ESO) have obtained new and more detailed images of 42 of the largest asteroids in the main asteroid belt.
October 24, 2021
Moon-forming disk around super-Jupiter exoplanet?
Astronomers say that there may be moons being created in a moon-forming disk of dust around a giant super-Jupiter planet (or brown dwarf) 500 light-years away.
October 21, 2021
