Not exact matches
«This also allows for searches for transmitters that are many orders of magnitude
less powerful than those that would be detectable from a
planet orbiting even the most
nearby stars.»
The
planets circle a tiny, dim,
nearby star in tight orbits all
less than 2 weeks long.
To begin with, they orbited close to the plane of the ecliptic in the same direction as the
planets, but their orbits were deformed by the galaxy's tidal force and by interactions with
nearby stars, gradually becoming more inclined and forming a more or
less spherical reservoir,» Morais said.
Other recent discoveries of
nearby Earth - sized
planets have been around red dwarf stars, including TRAPPIST - 1 and Proxima Centauri, but these create
less favorable conditions for life.
TESS is expected to launch in 2017 with its primary mission to monitor the 500,000 brightest and
nearby stars for the signs of
planets on orbits
less than 30 days.
More than 20 percent of stars have somewhat smaller
nearby planets, with sizes of several to a few tens of Earth masses and with orbital periods of
less than three months.