THE INTRINSIC SHAPE OF SAGITTARIUS A AT 3.5 mm WAVELENGTH by Ortiz-León, Gisela N., Johnson, Michael D., Doeleman, Sheperd S., Blackburn, Lindy, Fish, Vincent L., Loinard, Laurent, Reid, Mark J., Castillo, Edgar, Chael, Andrew A., Hernández-Gómez, Antonio, Hughes, David H., León-Tavares, Jonathan, Lu, Ru-Sen, Montaña, Alfredo, Narayanan, Gopal, Rosenfeld, Katherine, Sánchez, David, Schloerb, F. Peter, Shen, Zhi-qiang, Shiokawa, Hotaka, SooHoo, Jason, Vertatschitsch, Laura

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Mars Oxygen ISRU Experiment (MOXIE)-Preparing for human Mars exploration by Hoffman, Jeffrey A, Hecht, Michael H, Rapp, Donald, Hartvigsen, Joseph J, SooHoo, Jason G, Aboobaker, Asad M, McClean, John B, Liu, Andrew M, Hinterman, Eric D, Nasr, Maya, Hariharan, Shravan, Horn, Kyle J, Meyen, Forrest E, Okkels, Harald, Steen, Parker, Elangovan, Singaravelu, Graves, Christopher R, Khopkar, Piyush, Madsen, Morten B, Voecks, Gerald E, Smith, Peter H, Skafte, Theis L, Araghi, Koorosh R, Eisenman, David J

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Pre-landing plans for Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) science operations by McClean, John B., Hoffman, Jeffrey A., Hecht, Michael H., Aboobaker, Asad M., Araghi, Koorosh R., Elangovan, S., Graves, Christopher R., Hartvigsen, Joseph J., Hinterman, Eric D., Liu, Andrew M., Meyen, Forrest E., Nasr, Maya, Ponce, Adrian, Rapp, Donald, SooHoo, Jason G., Swoboda, John, Voecks, Gerald E.

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Constraints on black-hole charges with the 2017 EHT observations of M87 by Kocherlakota, Prashant, Rezzolla, Luciano, Falcke, Heino, Fromm, Christian M., Kramer, Michael, Mizuno, Yosuke, Nathanail, Antonios, Olivares, Héctor, Younsi, Ziri, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Boland, Wilfred, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke, Broderick, Avery E., Broguiere, Dominique, Bronzwaer, Thomas, Byun, Do-Young, Carlstrom, John E., Chael, Andrew, Chan, Chi-kwan, Chatterjee, Shami, Chatterjee, Koushik, Chen, Ming-Tang, Chen, Yongjun, Chesler, Paul M., Cho, Ilje, Christian, Pierre, Conway, John E., Cordes, James M., Crawford, Thomas M., Crew, Geoffrey B., Cruz-Osorio, Alejandro, Cui, Yuzhu, Davelaar, Jordy, De Laurentis, Mariafelicia, Deane, Roger, Dempsey, Jessica, Desvignes, Gregory, Doeleman, Sheperd S., Eatough, Ralph P., Farah, Joseph, Fish, Vincent L., Fomalont, Ed, Fraga-Encinas, Raquel, Friberg, Per, Ford, H. Alyson, Fuentes, Antonio, Galison, Peter, Gammie, Charles F., García, Roberto, Gentaz, Olivier, Georgiev, Boris, Goddi, Ciriaco, Gold, Roman, Gómez, José L., Gómez-Ruiz, Arturo I., Gu, Minfeng, Gurwell, Mark, Hada, Kazuhiro, Haggard, Daryl, Hecht, Michael H., Hesper, Ronald, Ho, Luis C., Ho, Paul, Honma, Mareki, Huang, Chih-Wei L., Huang, Lei, Hughes, David H., Ikeda, Shiro, Inoue, Makoto, Issaoun, Sara, James, David J., Jannuzi, Buell T., Janssen, Michael, Jeter, Britton, Jiang, Wu, Jimenez-Rosales, Alejandra, Johnson, Michael D., Jorstad, Svetlana, Jung, Taehyun, Karami, Mansour

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Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole by Psaltis, Dimitrios, Medeiros, Lia, Christian, Pierre, Özel, Feryal, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Asada, Keiichi, Azulay, Rebecca, Ball, David, Baloković, Mislav, Barrett, John, Bintley, Dan, Blackburn, Lindy, Boland, Wilfred, Bower, Geoffrey C., Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke, Broguiere, Dominique, Bronzwaer, Thomas, Byun, Do-Young, Carlstrom, John E., Chael, Andrew, Chan, Chi-kwan, Chatterjee, Shami, Chatterjee, Koushik, Chen, Ming-Tang, Chen, Yongjun, Cho, Ilje, Conway, John E., Cordes, James M., Crew, Geoffrey B., Cui, Yuzhu, Davelaar, Jordy, De Laurentis, Mariafelicia, Deane, Roger, Dempsey, Jessica, Desvignes, Gregory, Dexter, Jason, Eatough, Ralph P., Falcke, Heino, Fish, Vincent L., Fomalont, Ed, Fraga-Encinas, Raquel, Friberg, Per, Fromm, Christian M., Gammie, Charles F., García, Roberto, Gentaz, Olivier, Goddi, Ciriaco, Gómez, José L., Gu, Minfeng, Gurwell, Mark, Hada, Kazuhiro, Hesper, Ronald, Ho, Luis C., Ho, Paul, Honma, Mareki, Huang, Chih-Wei L., Huang, Lei, Hughes, David H., Inoue, Makoto, Issaoun, Sara, James, David J., Jannuzi, Buell T., Janssen, Michael, Jiang, Wu, Jimenez-Rosales, Alejandra, Johnson, Michael D., Jorstad, Svetlana, Jung, Taehyun, Karami, Mansour, Karuppusamy, Ramesh, Kawashima, Tomohisa, Keating, Garrett K., Kettenis, Mark, Kim, Jae-Young, Kim, Junhan, Kim, Jongsoo, Kino, Motoki, Koay, Jun Yi, Koch, Patrick M., Koyama, Shoko, Kramer, Michael, Kramer, Carsten, Krichbaum, Thomas P., Kuo, Cheng-Yu, Lauer, Tod R., Lee, Sang-Sung, Li, Yan-Rong, Li, Zhiyuan, Lindqvist, Michael, Lico, Rocco, Liu, Jun, Liu, Kuo, Liuzzo, Elisabetta, Lo, Wen-Ping, Lobanov, Andrei P.

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Demonstration of a 16 Gbps Station-1Broadband-RF VLBI System by Whitney, Alan R., Beaudoin, Christopher J., Cappallo, Roger J., Corey, Brian E., Crew, Geoffrey B., Doeleman, Shepherd S., Lapsley, David E., Hinton, Alan A., McWhirter, Stephen R., Niell, Arthur E., Rogers, Alan E. E., Ruszczyk, Chester A., Smythe, Daniel L., SooHoo, Jason, Titus, Michael A.

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Resolved magnetic-field structure and variability near the event horizon of Sagittarius A by Johnson, Michael D., Fish, Vincent L., Doeleman, Sheperd S., Marrone, Daniel P., Plambeck, Richard L., Wardle, John F. C., Akiyama, Kazunori, Asada, Keiichi, Beaudoin, Christopher, Blackburn, Lindy, Blundell, Ray, Bower, Geoffrey C., Brinkerink, Christiaan, Broderick, Avery E., Cappallo, Roger, Chael, Andrew A., Crew, Geoffrey B., Dexter, Jason, Dexter, Matt, Freund, Robert, Friberg, Per, Gold, Roman, Gurwell, Mark A., Ho, Paul T. P., Honma, Mareki, Inoue, Makoto, Kosowsky, Michael, Krichbaum, Thomas P., Lamb, James, Loeb, Abraham, Lu, Ru-Sen, MacMahon, David, McKinney, Jonathan C., Moran, James M., Narayan, Ramesh, Primiani, Rurik A., Psaltis, Dimitrios, Rogers, Alan E. E., Rosenfeld, Katherine, SooHoo, Jason, Tilanus, Remo P. J., Titus, Michael, Vertatschitsch, Laura, Weintroub, Jonathan, Wright, Melvyn, Young, Ken H., Zensus, J. Anton, Ziurys, Lucy M.

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Photogeologic Map of the Perseverance Rover Field Site in Jezero Crater Constructed by the Mars 2020 Science Team by Stack, Kathryn M., Williams, Nathan R., Calef, Fred, Sun, Vivian Z., Williford, Kenneth H., Farley, Kenneth A., Eide, Sigurd, Flannery, David, Hughes, Cory, Jacob, Samantha R., Kah, Linda C., Meyen, Forrest, Molina, Antonio, Nataf, Cathy Quantin, Rice, Melissa, Russell, Patrick, Scheller, Eva, Seeger, Christina H., Abbey, William J., Adler, Jacob B., Amundsen, Hans, Anderson, Ryan B., Angel, Stanley M., Arana, Gorka, Atkins, James, Barrington, Megan, Berger, Tor, Borden, Rose, Boring, Beau, Brown, Adrian, Carrier, Brandi L., Conrad, Pamela, Dypvik, Henning, Fagents, Sarah A., Gallegos, Zachary E., Garczynski, Brad, Golder, Keenan, Gomez, Felipe, Goreva, Yulia, Gupta, Sanjeev, Hamran, Svein-Erik, Hicks, Taryn, Hinterman, Eric D., Horgan, Briony N., Hurowitz, Joel, Johnson, Jeffrey R., Lasue, Jeremie, Kronyak, Rachel E., Liu, Yang, Madariaga, Juan Manuel, Mangold, Nicolas, McClean, John, Miklusicak, Noah, Nunes, Daniel, Rojas, Corrine, Runyon, Kirby, Schmitz, Nicole, Scudder, Noel, Shaver, Emily, SooHoo, Jason, Spaulding, Russell, Stanish, Evan, Tamppari, Leslie K., Tice, Michael M., Turenne, Nathalie, Willis, Peter A., Aileen Yingst, R.

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Jet-Launching Structure Resolved Near the Supermassive Black Hole in M87 by Doeleman, Sheperd S., Fish, Vincent L., Schenck, David E., Beaudoin, Christopher, Blundell, Ray, Bower, Geoffrey C., Broderick, Avery E., Chamberlin, Richard, Freund, Robert, Friberg, Per, Gurwell, Mark A., Ho, Paul T. P., Honma, Mareki, Inoue, Makoto, Krichbaum, Thomas P., Lamb, James, Loeb, Abraham, Lonsdale, Colin, Marrone, Daniel P., Moran, James M., Oyama, Tomoaki, Plambeck, Richard, Primiani, Rurik A., Rogers, Alan E. E., Smythe, Daniel L., SooHoo, Jason, Strittmatter, Peter, Tilanus, Remo P. J., Titus, Michael, Weintroub, Jonathan, Wright, Melvyn, Young, Ken H., Ziurys, Lucy M.

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230 GHz VLBI observations of M87: Event‐horizon‐scale structure during an enhanced very‐high‐energy γ‐ray state in 2012 by Akiyama, Kazunori, Lu, Ru-Sen, Fish, Vincent L., Doeleman, Sheperd S., Cappallo, Roger, Crew, Geoffrey B., Broderick, Avery E., Dexter, Jason, Hada, Kazuhiro, Nagai, Hiroshi, Honma, Mareki, Kino, Motoki, Algaba, Juan C., Johnson, Michael D., Blundell, Ray, Asada, Keiichi, Brinkerink, Christiaan, Bower, Geoffrey C., Dexter, Matt, Dzib, Sergio A., others, and

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The 1.4 mm Core of Centaurus A: First VLBI Results with the South Pole Telescope by Kim, Junhan, Marrone, Daniel P., Roy, Alan L., Wagner, Jan, Asada, Keiichi, Beaudoin, Christopher, Blanchard, Jay, Carlstrom, John E., Chen, Ming-Tang, Crawford, Thomas M., Crew, Geoffrey B., Doeleman, Sheperd S., Fish, Vincent L., Greer, Christopher H., Gurwell, Mark A., Henning, Jason W., Inoue, Makoto, Keisler, Ryan, Krichbaum, Thomas P., Lu, Ru-Sen, Muders, Dirk, Müller, Cornelia, Nguyen, Chi H., Ros, Eduardo, SooHoo, Jason, Tilanus, Remo P. J., Titus, Michael, Vertatschitsch, Laura, Weintroub, Jonathan, Zensus, J. Anton

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Demonstration of a 16 Gbps Station-1 Broadband-RF VLBI System by Whitney, Alan R., Beaudoin, Christopher J., Cappallo, Roger J., Corey, Brian E., Crew, Geoffrey B., Doeleman, Shepherd S., Lapsley, David E., Hinton, Alan A., McWhirter, Stephen R., Niell, Arthur E., Rogers, Alan E. E., Ruszczyk, Chester A., Smythe, Daniel L., SooHoo, Jason, Titus, Michael A.

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Detection of Intrinsic Source Structure at similar to 3 Schwarzschild Radii with Millimeter-VLBI Observations of SAGITTARIUS A by Lu, Ru-Sen, Krichbaum, Thomas P., Roy, Alan L., Fish, Vincent L., Doeleman, Sheperd S., Johnson, Michael D., Akiyama, Kazunori, Psaltis, Dimitrios, Alef, Walter, Asada, Keiichi, Beaudoin, Christopher, Bertarini, Alessandra, Blackburn, Lindy, Blundell, Ray, Bower, Geoffrey C., Brinkerink, Christiaan, Broderick, Avery E., Cappallo, Roger, Crew, Geoffrey B., Dexter, Jason, Dexter, Matt, Falcke, Heino, Freund, Robert, Friberg, Per, Greer, Christopher H., Gurwell, Mark A., Ho, Paul T. P., Honma, Mareki, Inoue, Makoto, Kim, Junhan, Lamb, James, Lindqvist, Michael, Macmahon, David, Marrone, Daniel P., Marti-Vidal, Ivan, Menten, Karl M., Moran, James M., Nagar, Neil M., Plambeck, Richard L., Primiani, Rurik A., Rogers, Alan E. E., Ros, Eduardo, Rottmann, Helge, SooHoo, Jason, Spilker, Justin, Stone, Jordan, Strittmatter, Peter, Tilanus, Remo P. J., Titus, Michael, Vertatschitsch, Laura, Wagner, Jan, Weintroub, Jonathan, Wright, Melvyn, Young, Ken H., Zensus, J. Anton, Ziurys, Lucy M.

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1.3 mm Wavelength VLBI of Sagittarius A: Detection of Time-variable Emission on Event Horizon Scales by Fish, Vincent L, Doeleman, Sheperd S, Beaudoin, Christopher, Blundell, Ray, Bolin, David E, Bower, Geoffrey C, Chamberlin, Richard, Freund, Robert, Friberg, Per, Gurwell, Mark A, Honma, Mareki, Inoue, Makoto, Krichbaum, Thomas P, Lamb, James, Marrone, Daniel P, Moran, James M, Oyama, Tomoaki, Plambeck, Richard, Primiani, Rurik, Rogers, Alan E. E, Smythe, Daniel L, SooHoo, Jason, Strittmatter, Peter, Tilanus, Remo P. J, Titus, Michael, Weintroub, Jonathan, Wright, Melvyn, Woody, David, Young, Ken H, Ziurys, Lucy M

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230 GHz VLBI OBSERVATIONS OF M87: EVENT-HORIZON-SCALE STRUCTURE DURING AN ENHANCED VERY-HIGH-ENERGY -RAY STATE IN 2012 by Akiyama, Kazunori, Lu, Ru-Sen, Fish, Vincent L., Doeleman, Sheperd S., Broderick, Avery E., Dexter, Jason, Hada, Kazuhiro, Kino, Motoki, Nagai, Hiroshi, Honma, Mareki, Johnson, Michael D., Algaba, Juan C., Asada, Keiichi, Brinkerink, Christiaan, Blundell, Ray, Bower, Geoffrey C., Cappallo, Roger, Crew, Geoffrey B., Dexter, Matt, Dzib, Sergio A., Freund, Robert, Friberg, Per, Gurwell, Mark, Ho, Paul T. P., Inoue, Makoto, Krichbaum, Thomas P., Loinard, Laurent, MacMahon, David, Marrone, Daniel P., Moran, James M., Nakamura, Masanori, Nagar, Neil M., Ortiz-Leon, Gisela, Plambeck, Richard, Pradel, Nicolas, Primiani, Rurik A., Rogers, Alan E. E., Roy, Alan L., SooHoo, Jason, Tavares, Jonathan-León, Tilanus, Remo P. J., Titus, Michael, Wagner, Jan, Weintroub, Jonathan, Yamaguchi, Paul, Young, Ken H., Zensus, Anton, Ziurys, Lucy M.

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Demonstration of a 16 Gbps Station super(-1) Broadband-RF VLBI System by Whitney, Alan R, Beaudoin, Christopher J, Cappallo, Roger J, Corey, Brian E, Crew, Geoffrey B, Doeleman, Shepherd S, Lapsley, David E, Hinton, Alan A, McWhirter, Stephen R, Niell, Arthur E, Rogers, Alan E E, Ruszczyk, Chester A, Smythe, Daniel L, Soohoo, Jason, Titus, Michael A

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1.3 mm WAVELENGTH VLBI OF SAGITTARIUS A: DETECTION OF TIME-VARIABLE EMISSION ON EVENT HORIZON SCALES by FISH, Vincent L, DOELEMAN, Sheperd S, HONMA, Mareki, INOUE, Makoto, KRICHBAUM, Thomas P, LAMB, James, MARRONE, Daniel P, MORAN, James M, OYAMA, Tomoaki, PLAMBECK, Richard, PRIMIANI, Rurik, ROGERS, Alan E. E, BEAUDOIN, Christopher, SMYTHE, Daniel L, SOOHOO, Jason, STRITTMATTER, Peter, TILANUS, Remo P. J, TITUS, Michael, WEINTROUB, Jonathan, WRIGHT, Melvyn, WOODY, David, YOUNG, Ken H, ZIURYS, Lucy M, BLUNDELL, Ray, BOLIN, David E, BOWER, Geoffrey C, CHAMBERLIN, Richard, FREUND, Robert, FRIBERG, Per, GURWELL, Mark A

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230 GHz VLBI OBSERVATIONS OF M87: EVENT‐HORIZON‐SCALE STRUCTURE DURING AN ENHANCED VERY‐HIGH‐ENERGY $\gamma $‐RAY STATE IN 2012 by Akiyama, Kazunori, Lu, Ru-Sen, Fish, Vincent L., Doeleman, Sheperd S., Broderick, Avery E., Dexter, Jason, Hada, Kazuhiro, Kino, Motoki, Nagai, Hiroshi, Honma, Mareki, Johnson, Michael D., Algaba, Juan C., Asada, Keiichi, Brinkerink, Christiaan, Blundell, Ray, Bower, Geoffrey C., Cappallo, Roger, Crew, Geoffrey B., Dexter, Matt, Dzib, Sergio A., Freund, Robert, Friberg, Per, Gurwell, Mark, Ho, Paul T. P., Inoue, Makoto, Krichbaum, Thomas P., Loinard, Laurent, MacMahon, David, Marrone, Daniel P., Moran, James M., Nakamura, Masanori, Nagar, Neil M., Ortiz-Leon, Gisela, Plambeck, Richard, Pradel, Nicolas, Primiani, Rurik A., Rogers, Alan E. E., Roy, Alan L., SooHoo, Jason, Tavares, Jonathan-León, Tilanus, Remo P. J., Titus, Michael, Wagner, Jan, Weintroub, Jonathan, Yamaguchi, Paul, Young, Ken H., Zensus, Anton, Ziurys, Lucy M.

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The 1.4 mm core of Centaurus A: First VLBI results with the South Pole Telescope by Kim, Junhan, Marrone, Daniel P, Roy, Alan L, Wagner, Jan, Asada, Keiichi, Beaudoin, Christopher, Blanchard, Jay, Carlstrom, John E, Ming-Tang, Chen, Crawford, Thomas M, Crew, Geoffrey B, Doeleman, Sheperd S, Fish, Vincent L, Greer, Christopher H, Gurwell, Mark A, Henning, Jason W, Inoue, Makoto, Keisler, Ryan, Krichbaum, Thomas P, Ru-Sen, Lu, Muders, Dirk, Müller, Cornelia, Nguyen, Chi H, Ros, Eduardo, SooHoo, Jason, Tilanus, Remo P J, Titus, Michael, Vertatschitsch, Laura, Weintroub, Jonathan, J Anton Zensus

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Detection of intrinsic source structure at ~3 Schwarzschild radii with Millimeter-VLBI observations of SAGITTARIUS A by Ru-Sen, Lu, Krichbaum, Thomas P, Roy, Alan L, Fish, Vincent L, Doeleman, Sheperd S, Johnson, Michael D, Akiyama, Kazunori, Psaltis, Dimitrios, Alef, Walter, Asada, Keiichi, Beaudoin, Christopher, Bertarini, Alessandra, Blackburn, Lindy, Blundell, Ray, Bower, Geoffrey C, Brinkerink, Christiaan, Broderick, Avery E, Cappallo, Roger, Crew, Geoffrey B, Dexter, Jason, Dexter, Matt, Falcke, Heino, Freund, Robert, Friberg, Per, Greer, Christopher H, Gurwell, Mark A, Ho, Paul T P, Honma, Mareki, Inoue, Makoto, Kim, Junhan, Lamb, James, Lindqvist, Michael, Macmahon, David, Marrone, Daniel P, Martí-Vidal, Ivan, Menten, Karl M, Moran, James M, Nagar, Neil M, Plambeck, Richard L, Primiani, Rurik A, Rogers, Alan E E, Ros, Eduardo, Rottmann, Helge, SooHoo, Jason, Spilker, Justin, Stone, Jordan, Strittmatter, Peter, Tilanus, Remo P J, Titus, Michael, Vertatschitsch, Laura, Wagner, Jan, Weintroub, Jonathan, Wright, Melvyn, Young, Ken H, J Anton Zensus, Ziurys, Lucy M

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