설명Exocomets plunging into a young star (artist’s impression).jpg
English: This artist’s impression shows several comets speeding across a vast protoplanetary disc of gas and dust and heading straight for the youthful, central star of the system. These "kamikaze" comets will eventually plunge into the star and vaporize. The comets are too small to be imaged, but their gaseous spectral "fingerprints" on the star's light were detected with the NASA/ESA Hubble Space Telescope. The gravitational influence of a suspected Jupiter-sized planet in the foreground may have catapulted the comets into the star.
This star, called HD 172555, represents the third extrasolar system where astronomers have detected doomed, wayward comets. The star resides 95 light-years from Earth.
ESA/Hubble images, videos and web texts are released by the ESA under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited. Detailed conditions are below; see the ESA copyright statement for full information. For images created by NASA or on the hubblesite.org website, or for ESA/Hubble images on the esahubble.org site before 2009, use the {{PD-Hubble}} tag.
Conditions:
The full image or footage credit must be presented in a clear and readable manner to all users, with the wording unaltered (for example: "ESA/Hubble"). Web texts should be credited to ESA/Hubble (except when used by media). The credit should not be hidden or disassociated from the image footage. Links should be active if the credit is online. See the usage rights Q&A section on the ESA copyright page for guidance.
ESA/Hubble materials may not be used to state or imply the endorsement by ESA/Hubble or any ESA/Hubble employee of a commercial product or service.
ESA/Hubble requests a copy of the product sent to them to be indexed in their archive.
If an image shows an identifiable person, using that image for commercial purposes may infringe that person's right of privacy, and separate permission should be obtained from the individual.
If images or visuals are changed significantly from the original work (apart from resizing, cropping), we suggest that the changes are mentioned after the credit line. For example "Original image by ESA/Hubble (M. Kornmesser), warping and recolouring by NN".
Notes:
Note that this general permission does not extend to the use of ESA/Hubble's logo, which shall remain protected and may not be used or reproduced without prior and individual written consent of ESA/Hubble.
Also note that music, scientific papers and code on the esahubble.org site are not released under this license and can not be used for non-ESA/Hubble products.
By reproducing ESA/Hubble material, in part or in full, the user acknowledges the terms on which such use is permitted.
이 파일에는 카메라나 스캐너가 파일을 만들거나 디지털화하는 데 사용하기 위해 기록한 부가 정보가 포함되어 있습니다.
프로그램에서 파일을 편집한 경우, 새로 저장한 파일에 일부 부가 정보가 빠질 수 있습니다.
저작자
bacon
기여자/제공자
NASA, ESA, and A. Feild and G. Bacon (STScI)
출처
ESA/Hubble
그림 제목
This artist’s impression shows several comets speeding across a vast protoplanetary disc of gas and dust and heading straight for the youthful, central star of the system. These "kamikaze" comets will eventually plunge into the star and vaporize. The comets are too small to be imaged, but their gaseous spectral "fingerprints" on the star's light were detected with the NASA/ESA Hubble Space Telescope. The gravitational influence of a suspected Jupiter-sized planet in the foreground may have catapulted the comets into the star. This star, called HD 172555, represents the third extrasolar system where astronomers have detected doomed, wayward comets. The star resides 95 light-years from Earth.
짧은 제목
Exocomets plunging into a young star (artist’s impression)
이용 조건
Creative Commons Attribution 4.0 International License