Analysis of information sources in references of the Wikipedia article "2I/보리소프" in Korean language version.
C/2019 Q4 (Borisov); HST WFC3/UVIS F350LP; Oct. 12, 2019
Hubble took a series of snapshots as the comet streaked along at 110,000 miles per hour. [...] The comet was 260 million miles from Earth when Hubble took the photo. [...] This Hubble image, taken on October 12, 2019 [...] reveals a central concentration of dust around the nucleus (which is too small to be seen by Hubble).
C/2019 Q4 (Borisov); HST WFC3/UVIS F350LP; Oct. 12, 2019
Hubble took a series of snapshots as the comet streaked along at 110,000 miles per hour. [...] The comet was 260 million miles from Earth when Hubble took the photo. [...] This Hubble image, taken on October 12, 2019 [...] reveals a central concentration of dust around the nucleus (which is too small to be seen by Hubble).