When asteroids travel too close to white dwarfs, the dense remnants of stars that have exhausted their nuclear fuel, powerful ...

Impacts can carve out large craters because the mass and velocity of the impactor work together to shatter the landscape in much the same way as the mass and ...

TUCSON, Ariz. — Planetary Science Institute Senior Scientist and Senior Education and Communications Specialist JA Grier (ee/em/eir) has advanced to the position of chair of the American Astronomical ...

Cycle 28 program 16167 is a straight forward program to execute. Attention to detail must be carried out on the reduction side. For the 2 orbits 12 images will be collected. Each image will be PSF fit ...

Top: Black and white image of the Moon from Moon Mineralogy Mapper data. Bottom: Map of water on the Moon. The different colors represent different shapes to the water absorption and correlate with ...

Oct. 28, 2024, TUCSON, Ariz. – The Moon and Mars are pocked with giant impact craters acquired very long ago, while there appears to be a dearth of them on Earth and Venus. Time may have healed many ...

Experience the intersection of art and planetary science through the remarkable works of renowned artist, planetary scientist, and Planetary Science Institute co-founder William K. Hartmann and other ...

Your support makes a difference! As a Planetary Partner, YOU will enable our Scientists and Educators to advance world-class Solar System research and grassroots ...

Illustration of the uncertainty of Earth's orbit 56 million years ago due to a potential past passage of the Sun-like star HD7977 2.8 million years ago. Each point's distance from the center ...

Nov. 18, 2024, TUCSON, Ariz. – Billions of years ago, a giant asteroid struck the Moon with so much energy that it melted rock until it was super-heated and white-hot, or what scientists call impact ...

Observations of the North Polar Layered Deposits exhibiting spiral troughs that confound flow models. Left: Mariner 9 image taken in 1972. (Credit Credit: NASA/JPL) Right: Mars Express image taken in ...

Pluto is on an icy march away from the Sun. In the year 2114, it will turn back, but until then, its elliptical orbit will carry it to colder and darker parts of the outer solar system. This is ...