Farthest known object in the solar system identified

Astronomers have confirmed that an object with the nickname of Farfarout is, to date, the farthest object we’ve seen in the solar system. Source: https://earthsky.org/space/farthest-known-object-solar-system-farfarout…

What’s the difference between asteroids and comets?

Asteroids and comets are generally composed of different materials and reside in different locations of the solar system, while some rare objects display characteristics of both. Source: https://earthsky.org/astronomy-essentials/whats-the-difference-between-comets-and-asteroids…

NASA re-establishes contact with Voyager 2 spacecraft

On October 29, NASA re-established contact with its Voyager 2 spacecraft, after the probe was left flying solo for 7 months while repairs were made to the radio antenna in Australia used to control it. Source: https://earthsky.org/space/nasa-reestablishes-contact-with-voyager2-spacecraft-oct2020…

What are comets?

Comets are loosely packed balls of ice and dust orbiting our sun, that sometimes become visible in Earth’s skies. A comet’s tail may stretch across millions of miles of space. Source: https://earthsky.org/astronomy-essentials/definition-what-are-comets…

Is Planet Nine a Black Hole?

“Astrophysicists have recently begun hatching plans to find out just how weird Planet Nine might be,” reports the New York Times. Long-time Slashdot reader fahrbot-bot shares their report:
Although it is probably wishful thinking, some astronomers contend that a black hole may be lurking in the outer reaches of our solar system. All summer, they have been arguing over how to find…

The sun may have started its life with a binary companion

A new theory published today in the Astrophysical Journal Letters by scientists from Harvard University suggests that the sun may once have had a binary companion of similar mass. If confirmed, the presence of an early stellar companion increases the likelihood that the Oort cloud was formed as observed and that Planet Nine was captured rather than formed within the solar…