Near-field Cosmologist and Assistant Professor of Astronomy and Astrophysics at University of Chicago. he/himhttps://bsky.app/profile/alexji.bsky.socialhttps://bsky.app/profile/alexji.bsky.social/post/3mqa7jci2722yWow! [contains quote post or other embedded content]09 Jul 2026 17:58 +0000at://did:plc:65hgl6ql7asnjs6lrquyloi2/app.bsky.feed.post/3mqa7jci2722yhttps://bsky.app/profile/alexji.bsky.social/post/3mpx2oj6ftk22Blast from the past youtu.be/lyuFLU2Zqz0 [contains quote post or other embedded content]06 Jul 2026 02:37 +0000at://did:plc:65hgl6ql7asnjs6lrquyloi2/app.bsky.feed.post/3mpx2oj6ftk22https://bsky.app/profile/alexji.bsky.social/post/3mp7zniwphs26Wait does this work [contains quote post or other embedded content]26 Jun 2026 22:48 +0000at://did:plc:65hgl6ql7asnjs6lrquyloi2/app.bsky.feed.post/3mp7zniwphs26https://bsky.app/profile/alexji.bsky.social/post/3mkx3zhgi3s2cAn ominous slug looms over its prey [contains quote post or other embedded content]03 May 2026 11:55 +0000at://did:plc:65hgl6ql7asnjs6lrquyloi2/app.bsky.feed.post/3mkx3zhgi3s2c