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Systemic - Characterizing Extrasolar Planetary Systems

Visitors

23 Nov 2017, 03:29 UTC
Visitors
(200 words excerpt, click title or image to see full post)

‘Oumuamua. Up close and alongside, in the vastness of interstellar space, its hurtling bulk imparts no sense of motion as it turns imperceptibly on its axis, blotting out the stars.
For a hundred years, the point-like Sun grew steadily brighter against its frigid airless horizons. First came light, then warmth, and finally searing illumination of the tarry reddish expanse, blistering sluggishly beneath a September Noon far more intense than any summer of Earth.
`Oumuamua is departing the solar system as rapidly as it arrived, heading outward at a current rate of 2.5 million miles a day. Our tiny chance of sending a probe to catch it diminishes with each lagging tick of inactivity. Nonetheless, world-wide interest is mounting, in part as a consequence of two new articles reporting detailed observations. The first, by Jewitt et al. was posted to arXiv last week, while the second, by Meech et al. (which independently comes largely to the same overall conclusions), appeared in Nature earlier this week. Nature being Nature, the Meech et al. article was accompanied by a media push, spearheaded by an extraordinary piece of space art.

Maybe it’s press release fatigue from one “habitable” world after another — a ...

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