News tagged with planets

Related topics:

More to life than the habitable zone

Two separate teams of scientists have identified major challenges for the development of life in what has recently become one of the most famous exoplanet systems, TRAPPIST-1.

dateJul 13, 2017 in Astronomy
shares864 comments 9

New evidence in support of the Planet Nine hypothesis

Last year, astronomers announced the existence of an unknown planet in our solar system. However, this hypothesis was subsequently called into question as biases in the observational data were detected. Now, Spanish astronomers ...

dateJul 13, 2017 in Astronomy
shares2010 comments 5

Smallest-ever star discovered by astronomers

The smallest star yet measured has been discovered by a team of astronomers led by the University of Cambridge. With a size just a sliver larger than that of Saturn, the gravitational pull at its stellar surface is about ...

dateJul 12, 2017 in Astronomy
shares1971 comments 8

Hidden stars may make planets appear smaller

In the search for planets similar to our own, an important point of comparison is the planet's density. A low density tells scientists a planet is more likely to be gaseous like Jupiter, and a high density is associated with ...

dateJul 11, 2017 in Astronomy
shares171 comments 0

Astronomers track the birth of a 'super-Earth'

A new model giving rise to young planetary systems offers a fresh solution to a puzzle that has vexed astronomers ever since new detection technologies and planet-hunting missions such as NASA's Kepler space telescope have ...

dateJul 11, 2017 in Astronomy
shares325 comments 1