26 November 2021
A closer Moon could have helped the early habitability of our planet
... apparent contradiction between observations of liquid water early in Earth’s history and a low output of the Sun is known as the faint Sun paradox or faint Sun problem. This issue was raised by astronomers Carl Sagan and George Mullen in 1972. Since...
22 July 2020
Astronomers capture the first ever image of a multi-planet system around a Sun-like star
... a star similar to the Sun. The observations can help astronomers understand how ...the Sun; they lie at only 5 and 10 times the Earth-Sun distance, respectively. The team also found the two exoplanets are much heavier than the ones in our Solar System, the...
20 June 2016
Trio of hot Jupiters give clue to their formation
... is a well studied star cluster and recent estimates of the age range of its inhabitants imply that the stars are younger than the Sun (at around 4 billion years). The team state that the high rate – three hot Jupiters around a sample...
19 October 2018
Countdown begins for the launch of BepiColombo
... two regions that are 180 degrees apart, which always have the Sun directly overhead when the planet is closest to the Sun. If you could stand at these points, then the Sun would appear to be almost stationary overhead for two to three weeks...
17 June 2019
Filling in the gaps of Jupiter-like planet formation
... System eating up leftover gas and dust before eventually settling 5.2 astronomical units (AU) away from the Sun. With a growing collection of ‘hot-Jupiter’ planets being found so close to their host stars in recent years, it did ...
13 September 2019
Newly discovered comet could be our second interstellar visitor
... visitor, as an amateur astronomer has just found what appears to a comet from another star system on a path towards the Sun. This new object - designated C/2019 Q4 (Borisov) - was discovered cruising around three astronomical units (about 450...
