지구와 태양계 밖 외계인이 정말 있을까? 천문학자를 놀라게 한 외계 지적 생명체의 전파 신호?!

<a dir="auto" fr-original-style="display: var(--yt-endpoint-display,inline-block); cursor: pointer; text-decoration: var(--yt-endpoint-text-regular-decoration,none); color: var(--yt-endpoint-color,var(--yt-spec-call-to-action)); overflow-wrap: var(--yt-endpoint-word-wrap,none); word-break: var(--yt-endpoint-word-break,none); font-family: Roboto, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(249, 249, 249);" href="https://www.youtube.com/watch?v=My-JAY8AzFY&t=0s" id="isPasted" spellcheck="false" style="display: var(--yt-endpoint-display,inline-block); cursor: pointer; text-decoration: var(--yt-endpoint-text-regular-decoration,none); color: var(--yt-endpoint-color,var(--yt-spec-call-to-action)); overflow-wrap: var(--yt-endpoint-word-wrap,none); word-break: var(--yt-endpoint-word-break,none); font-family: Roboto, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(249, 249, 249); outline: none; box-sizing: border-box;" target="_blank">00:00 <span dir="auto" fr-original-style="margin: 0px; padding: 0px; border: 0px; background: rgb(249, 249, 249); color: rgb(3, 3, 3); font-family: Roboto, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" style="margin: 0px; padding: 0px; border: 0px; background: rgb(249, 249, 249); color: rgb(3, 3, 3); font-family: Roboto, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; box-sizing: border-box;"> 외계 행성? 외계 생명체? 외계인? 우주의 신비는 어디까지 〈강성주〉

<a dir="auto" fr-original-style="display: var(--yt-endpoint-display,inline-block); cursor: pointer; text-decoration: var(--yt-endpoint-text-regular-decoration,none); color: var(--yt-endpoint-color,var(--yt-spec-call-to-action)); overflow-wrap: var(--yt-endpoint-word-wrap,none); word-break: var(--yt-endpoint-word-break,none); font-family: Roboto, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(249, 249, 249);" href="https://www.youtube.com/watch?v=My-JAY8AzFY&t=570s" spellcheck="false" style="display: var(--yt-endpoint-display,inline-block); cursor: pointer; text-decoration: var(--yt-endpoint-text-regular-decoration,none); color: var(--yt-endpoint-color,var(--yt-spec-call-to-action)); overflow-wrap: var(--yt-endpoint-word-wrap,none); word-break: var(--yt-endpoint-word-break,none); font-family: Roboto, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(249, 249, 249); outline: none; box-sizing: border-box;" target="_blank">09:30 <span dir="auto" fr-original-style="margin: 0px; padding: 0px; border: 0px; background: rgb(249, 249, 249); color: rgb(3, 3, 3); font-family: Roboto, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;" style="margin: 0px; padding: 0px; border: 0px; background: rgb(249, 249, 249); color: rgb(3, 3, 3); font-family: Roboto, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; box-sizing: border-box;"> 외계에서 발견된 인공적인 전파 신호? 외계에 지적 생명체가 있을까? 〈이명헌〉