Discovering objects from other solar system is only on the rise and will continue to be with the introduction of new telescopes

Discovering objects from other solar system is only on the rise and will continue to be with the introduction of new telescopes
Comet C/2019 Q4 gained a lot of attention when astronomers identified it as the second interstellar object ever discovered
The asteroid is likely shedding reddish dust, revealing a fresh, blue surface beneath
What is the longest-period comet we know about?
Comets are a valuable source of breathable oxygen in the vast vacuum of space, and astronomers want to utilise that for future human space exploration
We take a look at how these ‘dirty snowballs’ are made
On 16 Sunday December, comet 46P/Wirtanen will make one of the 10 closest approaches of Earth in 70 years – and you may even be able to see it without a telescope
We find out what you’d be able to see if you were a Martian stargazer
Sophie Allan at the National Space Centre looks at whether astronauts can land on the surface of comets – our Solar System’s travelling space snowballs
We find out the type of route a comet takes through the solar neighbourhood
How do space rocks make such large dents in celestial bodies?
The light reflected from the surface of the new-Earth asteroid is much different from what astronomers previously thought
New results indicate interstellar nomad `Oumuamua is a comet and not an asteroid
New research into the formation of Pluto explores the idea that the dwarf planet was originally formed from ancient comets
“This thing is an oddball,” says Karen Meech of the University of Hawaii’s Institute for Astronomy who leads an international team studying this interstellar interloper
NASA’s Mars Odyssey orbiter has gained its first look at the moon, pursuing a deeper understanding by examining it in infrared wavelengths
There was one last surprise in store for the camera team, who managed to reconstruct the final telemetry packets into a sharp shot
This frozen traveller shows the earliest signs of activity
Be prepared for the return of the Orionids as they reach their peak
The icy object had been close to the Sun since its discovery on 11 September, making it extremely difficult to observe