Exact(5)
This may sound small but it is large enough to measure.On that scale, spotting OGLE-TR-56b was a cinch; a giant by terrestrial standards, it covers 1% of the face of its parent star.
These standards are based on the best medical evidence from terrestrial standards; analog spaceflight environments; and spaceflight experience.
Isotopic compositions are reported as δ values, representing the deviation of the measured isotopic ratios with reference terrestrial standards in per mil : δ R = R measured R reference − 1 × 1, 000.
After having traversed a significant distance by terrestrial standards you are standing on the curb of a large airport waiting for a rickety van from your car-rental company that is expected to saunter in at a jovial pace.
Another model suggests an ammonia water solution as much as 200 km deep beneath a water-ice crust with conditions that, although extreme by terrestrial standards, are such that life could indeed survive.
Similar(55)
We used the 142Nd/144Nd ratios of the present-day terrestrial standard and the average value of ordinary chondrites (Boyet and Carlson 2005) in the calculations.
However, even after corrections for the effects of p-, s-, and r-processes, offsets can still be found among the 142Nd/144Nd ratios in chondrites and that of the terrestrial standard (Qin and Carlson 2016).
Previous studies have revealed that ordinary chondrites (OC) and carbonaceous chondrites (CC) have average 142Nd/144Nd ratios that are 20 and 40 ppm lower than the ASE, respectively, and that enstatite chondrites (EC) have an average 142Nd/144Nd ratio that is ca. 10 ppm lower than the ASE, with some EC having 142Nd/144Nd ratios that overlap the terrestrial standard (Boyet and Gannoun 2013).
Table 1 gives an overview of differences between DVB-T and DVB-T2 digital terrestrial broadcasting standards.
It is also seen as the key technology for the future digital TV terrestrial broadcasting standards [2].
Each Hayabusa category 3 sample was pressed into a Au plate on half-inch-sized SEM stubs together with terrestrial organic standards of 1-hydroxybenzotriazole hydrate (C6H5N3O·x H2O) and BBOT (C26H26N2O2S) with known H, C, and N isotopic ratios (Uesugi et al.2014).2014
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