We can, however, appraise the scientific significance of these voyages of exploration: They have been nothing less than revolutionary both in providing a new picture of the nature of the solar system, its likely origin and evolution, and in giving us a new perspective on our own planet Earth...
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This, along with the fact that the stars displayed no discernable parallax through the instruments in use in the seventeenth century, suggested that the stars were at a truly unimaginable distance from the Solar System. French philosopher Blaise Pascal (1623–1662) conveys a vivid sense of the ...
Explanation: Ghostly Zodiacal light, featured near the center of this remarkable panorama, is produced as sunlight is scattered by dust in the Solar System's ecliptic plane. In the weeks surrounding the March equinox (today at 1732UT Zodiacal light is more prominent after sunset in the northern...
Formed from the primordial stuff of the Solar System, comet nuclei were thought to resemble very dirty icebergs. But ground-based telescopes revealed only the surrounding cloud of gas and dust of active comets nearing the Sun, clearly resolving only the comet's coma, and the characteristic com...
As part of our Rebuttal Update Project, this version of The Big Picture article has been updated with more current data in February 2024. You can access the previous version here.Note: clicking on the images will open a larger version in a separate tab.
Using a telescope the size of the planet, astronomers have captured the first image of this space oddity. Here's why that matters.
The crew finishes its repairs and the Enterprise leaves drydock and heads into the solar system at impulse. "Captain's log, stardate 7412.6. 1.8 hours from launch. In order to intercept the intruder at the earliest possible time, I must now risk engaging warp drive while still within the ...
Interpreting the data in terms of oscillations, parameter values consistent with the ones from LSND are obtained. • Radioactive source experiments at the Gallium solar neutrino experiments SAGE and GALLEX have obtained an event rate which is somewhat lower than expected. This effect can be ...