杏吧原创

Comets

Comet C/2022 E3

Space

Rare green comet C/2022 E3 is about to make its closest pass by Earth

A comet that last passed by Earth about 50,000 years ago is coming around again and will make its closest pass on 1 February, at which point it may be visible with the naked eye

News
Exocomets

Space

Exocomets are probably born the same way as comets in our solar system

News
Borisov

Space

Interstellar comet Borisov is the most pristine space object ever seen

News
Parker Solar Probe

Space

NASA’s Parker Solar Probe had a surprise close encounter with a comet

News

Space

Ancient ice beneath the surface of comet 67P is softer than candyfloss

News
Comet NEOWISE

Space

How to see the spectacular comet Neowise with the naked eye

News
Comet Ikeya-Zhang

Space

Longest known comet tail stretched for over a billion kilometres

News

Space

Interstellar comet Borisov came from a cold and distant home star

News

Space

Comet 67P is hiding nitrogen that could solve a solar system mystery

News
Comet Borisov

Space

Hubble Space Telescope snaps best view of interstellar comet Borisov

The interstellar comet Borisov is making its closest approach to the sun and Earth, giving astronomers their best look yet

News

Space

Interstellar comet Borisov is about to pass close to Earth and the sun

News
Space

Celestial time travel: How asteroids can reveal the history of space

Video

Space

The Leonid meteor shower peaks this week: Here’s how to see it

Regulars

Perseid meteor shower