Astronomy Picture of the Day ·

Interstellar Interloper 2I/Borisov

The Astronomy Picture of the Day for October 18, 2019 is “Interstellar Interloper 2I/Borisov,” an image. It is credited to Image Credit: NASA , ESA , and D. Jewitt ( UCLA ) et al.. The original explanation runs about 152 words.

Interstellar Interloper 2I/Borisov
Credit: Image Credit: NASA , ESA , and D. Jewitt ( UCLA ) et al. Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“After the 2017 detecton of 1I/’Oumuamua, comet 2I/Borisov has become the second recognized interstellar interloper. Like ‘Oumuamua, Borisov’s measured hyperbolic trajectory and speed as it falls toward the Sun confirm that its origin is from beyond our Solar System.”

— APOD editors, October 18, 2019

Read the full explanation on science.nasa.gov

At a glance

Date
October 18, 2019
Type
Image
Credit
Credit: Image Credit: NASA , ESA , and D. Jewitt ( UCLA ) et al.
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 152 words

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Topics in this entry

The SunCometsHubble Space Telescope

Topics are matched from words in the title and explanation.

On this day: October 18 in other years

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.