17 April 2020
A six-planet system is discovered and more could be hiding say astronomers
... to measure properties of light over a specific portion of the electromagnetic spectrum and it has been used to search for Neptunes and super-Earths in the Northern Hemisphere since 2011. Although SOPHIE might be relatively new, the observatory...
10 September 2021
Survey detects 461 Solar System objects not found before
... are among a population of small bodies that orbit beyond Neptune called trans-Neptunian objects (TNOs). TNOs are classed as minor...objects, including nine new “extreme” TNOs, four new Neptune Trojans, several new objects with high inclinations and an...
June 2017
Bepi-Colombo will unveil Mercury’s secrets
... of the least known - out of the eight planets of the Solar System, only the faraway Uranus and Neptune have been less explored. This is not due to lack of interest, as the ‘iron planet’ has some unique...
25 January 2021
Unique six-exoplanet system challenges theories of how planets form
... & Astrophysics. The observations showed that TOI-178 harboured at least six planets in the super-Earth to mini-Neptune regimes, with orbital periods lasting from just under two days to just over 20 days. Exciting as the...
22 January 2016
Possible “Planet Nine” Discovery Announced
...about 20 times farther from the sun than than of Neptune. The researchers used mathematical models and computer simulations to ... If a planet of that size is orbiting the sun beyond Neptune, it will affect the orbits of nearby objects. The planet ...
19 May 2017
Exoplanets galore and possibly the next Trappist-1 system?
... University of Geneva, report that ‘some systems are interesting in terms of architecture,’ notably HD20003 which hosts two Neptune-mass planets with periods of 11.9 and 33.9 days and HD 134060, which harbours a small-mass planet on a 3-day orbit...