HTTP/1.1 200 OK Connection: keep-alive Content-Length: 0 content-type: text/html; charset=utf-8 x-ftr-request-id: 3381ef52-0f91-47c7-91e3-750ae7aa14f5 x-frame-options: SAMEORIGIN content-security-policy: frame-ancestors self x-article-id: JipCEJnH3Bg9bqDztYEpjd x-modified-date: 1554737419 last-modified: Tue, 17 Jun 2025 06:34:02 GMT xkey: space-platform-responsive xkey: space-article-JipCEJnH3Bg9bqDztYEpjd xkey: space-articletype-news xkey: space-articletemplate-standard xkey: space-article-age-ancient xkey: space-region-US xkey: space-language-en xkey: space-modifieddate-1554737419 xkey: space-author-oLUo2ZaAnYUuJwAC596bPX xkey: space-tag-Y6bpAXfHLBETaqTLuTvgDJ xkey: space-tag-sAiG5piEmaaSPubdpXpEqf xkey: space-tag-WvyiKDbzAiqFoG4WGZxiBJ xkey: space-tag-4NKXbNzgfPByin9E9vSbBJ xkey: space-tag-a9XSVUiW82J6Pfozf2ChBJ xkey: space-article-extended-ttl-true xkey: space-flexi-page-guid-default_page_layout_news xkey: space-flexi-controller-FlexiPageLayout:index xkey: space-flexi-layout-news xkey: space-flexi-route-custom_route_1699552135 xkey: space-version-1298763 xkey: space-server-phpfpm-66bb5747b4-8gs7d xkey: space-hawkwidgets-17.9.73-917b101c159f1b4a03e10cf79cb3bf0c3d9e6ec4 x-ftr-cache-status: MISS MISS x-age: 0 x-ftr-request-id: 00000000000000000000FFFF9D344542:D9CB_00000000000000000000FFFFB9711938:01BB_68510C55_12F4FC:3CB70 x-ftr-balancer: vanilla-mochi-http-haproxy-prod-2 x-ftr-backend: varnish-leopard x-ftr-backend-server: leopard3 Via: 1.1 varnish, 1.1 varnish Accept-Ranges: bytes Age: 187806 Date: Thu, 19 Jun 2025 10:44:08 GMT X-Served-By: cache-lon4266-LON, cache-bur-kbur8200129-BUR X-Cache-Hits: 0, 0 X-Timer: S1750329849.503607,VS0,VE1 Vary: Accept-Encoding, X-FTR-kiosq-user-status, X-FTR-kiosq-server-side-user-status, X-Country-Code, X-FTR-ABTest-Group Set-Cookie: FTR_Country_Code=US; path=/; domain=www.space.com X-Country-Code: US X-Country-Code-Real: US Strict-Transport-Security: max-age=31536000; includeSubDomains Set-Cookie: FTR_Cache_Status=HIT-CLUSTER; path=/; domain=www.space.com x-cache: HIT-CLUSTER Cache-Control: no-store,private alt-svc: h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400