Tag Archives: Solar System

More Planets than Stars – But Axial Tilt may be the Key to Life

There is an average of more than one planet per star in the Milky Way Image Credit: NASA / ESA / ESO With the forthcoming publication in the journal Nature on 12 January, it is estimated that there are more … Continue reading

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Is an Earth Trojan Asteroid the Logical Target for the "Flexible Path"?

Asteroid 2010 TK7 is circled in green. Image Credit: NASA / JPL-Caltech / UCLA Scientists using the Wide-field Infrared Survey Explorer (WISE) have discovered the first Trojan Asteroid in Earth orbit. Trojans orbit at a location in front of or … Continue reading

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Galactic Cosmic Rays (GCR) – The 800 Pound Gorilla

The most recent issue of Science News (18 December 2010) has the following notes from 17 December 1960: HEAVY SHIELD UNNECESSARY — Heavy shielding as protection for an astronaut against space radiations may not be necessary, at least for trips … Continue reading

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