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27:
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team and announced in July 2019. The data confirming the presence of the planet was uncovered in ground-based observation dating back to 1998 while confirming the TESS detection of Gliese 357 b, a “hot earth” that orbits much closer to the parent star. Even though Gliese 357 d is 20% closer to Gliese
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670:
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353:"Planetary system around the nearby M dwarf GJ 357 including a transiting, hot, Earth-sized planet optimal for atmospheric characterization"
1448:
638:
39:
1441:
70:
1489:
89:
293:; if there is a thick enough atmosphere, the actual temperature could be much higher. If humans traveled there using modern
1400:
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250:
663:
289:. As a result, it is estimated that the average temperature is -64°F (-53°C), but this temperature is survivable for
513:
613:
352:
49:
1504:
1289:
1260:
742:
695:
690:
656:
1479:
428:"GJ 357: a low-mass planetary system uncovered by precision radial velocities and dynamical simulations"
270:
1095:
1090:
1194:
1339:
374:
109:
1211:
1346:
1269:
1085:
753:
707:
143:
297:, it would take them about 660,000 years to get there. The planet is 6.1 times more massive than
1380:
1061:
634:
439:
364:
765:
1279:
799:
459:
392:
101:
1425:
1043:
782:
449:
382:
378:
81:
1321:
1233:
1217:
940:
858:
1248:
759:
1172:
875:
151:
123:
1468:
1299:
738:
734:
1359:
1316:
1238:
848:
774:
319:
266:
1328:
387:
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spacecraft is exiting the solar system at a velocity of 13.7 km/s as of June 2024.
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934:
905:
864:
728:
722:
454:
427:
285:, Gliese 357 is much smaller than the Sun. So it receives as much energy as
242:
317:
Calculated assuming the spacecraft travels at 14 km/s. For comparison, the
1188:
1177:
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1079:
1037:
1010:
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543:"Potentially habitable 'super-Earth' discovered just 31 light-years away"
1222:
853:
788:
221:
1334:
1199:
1056:
254:
217:
26:
444:
369:
512:
Reddy, Francis; Center, NASA’s
Goddard Space Flight (2019-07-31).
479:"Newly uncovered super-Earth 31 light-years away may be habitable"
298:
290:
648:
286:
277:
174:
54:
652:
282:
135:
1429:
514:"TESS Discovers Habitable Zone Planet in GJ 357 System"
421:
419:
417:
606:"NASA's New Horizons Reaches a Rare Space Milestone"
1308:
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432:Monthly Notices of the Royal Astronomical Society
426:Jenkins, J S; Pozuelos, F J; et al. (2019).
346:
344:
342:
340:
1449:
664:
576:"NASA's TESS Helps Find Intriguing New World"
8:
1424:This extrasolar-planet-related article is a
19:
1456:
1442:
745:(lunar obiter, lander and rover; Jul 2019)
671:
657:
649:
351:Luque, R.; Pallé, E.; et al. (2019).
16:Goldilocks Super-Earth orbiting Gliese 357
453:
443:
386:
368:
336:
310:
1475:Exoplanets detected by radial velocity
18:
1350:(end of mission; Aug 2018 / Feb 2019)
7:
1414:
1412:
1185:(first-ever light from bh-bh merger)
731:(solar sail demonstration; Jun 2019)
569:
567:
507:
505:
503:
1495:Super-Earths in the habitable zone
1428:. You can help Knowledge (XXG) by
14:
1191:(first-ever "mass-gap" collision)
639:Planetary Habitability Laboratory
276:The planet was discovered by the
1416:
1386:
1385:
1374:
1259:
924:
764:
758:
752:
712:
477:Falconer, Rebecca (2019-08-01).
224:; −64.39 ± 10.62
25:
586:from the original on 2019-08-01
553:from the original on 2019-07-31
524:from the original on 2019-08-01
489:from the original on 2019-12-18
403:from the original on 2023-09-24
44:Rafael Luque, Diana Kossakowski
604:Talbert, Tricia (2021-04-15).
220:(−53.55 ± 5.90
1:
1500:Exoplanets discovered by TESS
1485:Exoplanets discovered in 2019
301:and 2.3 times Earth's size.
269:, The system is part of the
1401:Category:2020 in outer space
1396:Category:2019 in outer space
1391:Category:2018 in outer space
357:Astronomy & Astrophysics
251:circumstellar habitable zone
388:10.1051/0004-6361/201935801
216:219.6 ± 5.9
1521:
1411:
574:Garner, Rob (2019-07-30).
1369:
808:Asteroid close approaches
750:
684:
281:357 than Earth is to the
232:
124:Orbital period (sidereal)
24:
725:(lunar lander; Feb 2019)
253:of its parent star. The
169:Physical characteristics
379:2019A&A...628A..39L
82:Orbital characteristics
1381:Outer space portal
1324:; Dec 2018 / Jan 2019)
245:, considered to be a "
1490:Hydra (constellation)
455:10.1093/mnras/stz2937
1340:far side of the Moon
1290:138P/Shoemaker–Levy
1270:C/2018 Y1 (Iwamoto)
1195:J043947.08+163415.7
271:Hydra constellation
61:Discovery date
50:Discovery site
21:
1062:Proxima Centauri c
616:on August 22, 2022
40:Discovered by
1437:
1436:
1409:
1408:
1309:Space exploration
1280:168P/Hergenrother
635:"plot_GJ_357.png"
236:
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1420:
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1389:
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1378:
1377:
1358:(departure from
1338:(landing on the
1320:(encounter with
1263:
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1152:
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1086:Teegarden's Star
1082:i (hypothesized)
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783:Kamchatka meteor
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612:. Archived from
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549:. 31 July 2019.
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438:(4): 5585–5595.
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71:Detection method
29:
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1505:Exoplanet stubs
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1322:486958 Arrokoth
1304:
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1234:moons of Saturn
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941:Beta Pictoris c
916:
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859:1620 Geographos
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1173:EPIC 204376071
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1300:289P/Blanpain
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1249:WD J0914+1914
1247:
1244:
1241:detection of
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1045:
1044:Luyten's Star
1042:
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787:
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778:
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775:Impact events
772:
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736:
735:Chandrayaan-2
733:
730:
727:
724:
721:
720:
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705:
697:
692:
687:
686:
683:
679:2019 in space
674:
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641:. 2019-09-03.
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249:" within the
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116:0.033 ± 0.057
113:
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79:
75:
72:
67:
63:
59:
56:
53:
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43:
41:
37:
32:
28:
23:
1480:Super-Earths
1430:expanding it
1423:
1394:
1360:162173 Ryugu
1353:
1345:
1333:
1327:
1317:New Horizons
1315:
958:Gliese 357 d
957:
849:66391 Moshup
629:
618:. Retrieved
614:the original
609:
599:
588:. Retrieved
579:
555:. Retrieved
546:
537:
526:. Retrieved
518:SciTechDaily
517:
491:. Retrieved
482:
472:
435:
431:
405:. Retrieved
360:
356:
320:New Horizons
318:
313:
275:
267:Solar System
239:Gliese 357 d
238:
237:
200:
186:
110:Eccentricity
1362:; Dec 2019)
1347:Opportunity
1342:; Jan 2019)
1275:78P/Gehrels
1243:exoasteroid
1239:WD 0145+234
1202:water vapor
1168:GRB 190114C
1158:ASASSN-19bt
1139:Discoveries
1103:V1298 Tauri
1067:Struve 2398
785:(announced)
729:LightSail 2
708:Space probe
263:light-years
247:Super-Earth
212:Temperature
144:Inclination
100:0.015
1469:Categories
1295:171P/Spahr
1245:disruption
1228:2I/Borisov
1005:Kepler-47d
994:Gliese 784
988:Gliese 754
982:Gliese 555
976:Gliese 687
963:Gliese 588
952:Gliese 251
946:DS Tucanae
922:Exoplanets
620:2021-04-18
590:2019-08-01
557:2019-08-01
528:2019-08-01
493:2019-08-04
445:1909.00831
407:2020-05-12
370:1904.12818
331:References
295:spacecraft
259:Gliese 357
199:1.07
163:Gliese 357
134:0.05
1355:Hayabusa2
1329:Chang'e 4
1285:163P/NEAT
1183:GW190521g
1163:AT2019qiz
1032:LP 816-60
1016:L 1159-16
1007:confirmed
1000:HR 5183 b
935:AD Leonis
798:Selected
723:Beresheet
464:0035-8711
397:0004-6361
305:Footnotes
265:from the
243:exoplanet
184:1.0
34:Discovery
1232:20
1189:GW190814
1178:GW190412
1122:Wolf 359
1080:Tau Ceti
1038:LTT 1445
1011:K2-288Bb
710:launches
584:Archived
551:Archived
547:NBC News
522:Archived
487:Archived
401:Archived
20:GJ 357 d
1258:Comets
1223:S5-HVS1
1147:2019 AQ
1057:PDS 70c
906:2019 UN
894:2019 TA
882:2019 SU
865:2006 QV
854:2019 OK
838:2016 AZ
826:2019 AS
814:2018 XB
789:2019 MO
743:Pragyan
698: »
689:«
375:Bibcode
363:: A39.
257:orbits
1335:Yutu-2
1214:mapped
1208:imaged
1200:K2-18b
739:Vikram
462:
395:
291:humans
255:planet
241:is an
483:Axios
440:arXiv
365:arXiv
299:Earth
261:, 31
130:55.70
96:0.204
1426:stub
1206:M87*
800:NEOs
696:2020
691:2018
610:NASA
580:NASA
460:ISSN
393:ISSN
287:Mars
278:TESS
195:7.20
175:Mass
159:Star
148:<
64:2019
55:TESS
450:doi
436:490
383:doi
361:628
283:Sun
273:.
180:6.1
1471::
1399:—
1393:—
1332:/
1074:Bc
1071:Bb
1040:Ab
909:13
868:89
741:/
737:/
637:.
608:.
582:.
578:.
566:^
545:.
520:.
516:.
502:^
485:.
481:.
458:.
448:.
434:.
430:.
416:^
399:.
391:.
381:.
373:.
359:.
355:.
339:^
226:°F
222:°C
204:🜨
190:🜨
150:40
102:AU
1457:e
1450:t
1443:v
1432:.
1150:3
1129:c
1126:b
1116:e
1113:d
1110:c
1107:b
1096:c
1091:b
1051:e
1048:d
1034:b
1026:d
1023:c
1020:b
996:b
990:b
984:b
978:c
970:c
967:b
954:c
948:b
937:b
897:7
885:3
841:8
829:5
817:4
672:e
665:t
658:v
623:.
593:.
560:.
531:.
496:.
466:.
452::
442::
410:.
385::
377::
367::
228:)
218:K
201:M
197:±
187:M
182:±
152:°
136:d
132:±
114:≈
98:±
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