New Horizons co-investigator John Spencer, right, of the Southwest Research Institute during a briefing prior to the expected flyby of Ultima Thule by the New Horizon spacecraft at Johns Hopkins University Applied Physics Laboratory December 31, 2018 in Laurel, Maryland. The flyby by the space probe occurred 6.5bn km (4bn miles) away, making it the most distant ever exploration of an object in our Solar System.

New Horizons co-investigator John Spencer, right, of the Southwest Research Institute during a briefing prior to the expected flyby of Ultima Thule by the New Horizon spacecraft at Johns Hopkins University Applied Physics Laboratory December 31, 2018 in Laurel, Maryland. The flyby by the space probe occurred 6.5bn km (4bn miles) away, making it the most distant ever exploration of an object in our Solar System. Stock Photo
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Image details

Contributor:

NASA Photo / Alamy Stock Photo

Image ID:

RAAGBY

File size:

53.9 MB (2.7 MB Compressed download)

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Dimensions:

5150 x 3659 px | 43.6 x 31 cm | 17.2 x 12.2 inches | 300dpi

Date taken:

31 December 2018

More information:

This image could have imperfections as it’s either historical or reportage.