Astronomicheskaya kartinka dnya (APOD)

APOD: 2025 September 29 B Two Camera Comets in One Sky
29.09.2025 | Astronomicheskaya kartinka dnya

It may look like these comets are racing, but they are not. Comets C/2025 K1 ATLAS (left) and C/2025 R2 SWAN (right) appeared near each other by chance last week in the featured image taken from France's Reunion Island in the southern Indian Ocean.

Leopardovye pyatna na marsianskih kamnyah
28.09.2025 | Astronomicheskaya kartinka dnya

Kak voznikli eti neobychnye pyatna? Svetlye pyatna s temnymi obodkami na marsianskih kamnyah byli obnaruzheny v proshlom godu marsohodom NASA Perseverans, prodolzhayushim issledovat' Mars. Ih nazvali leopardovymi pyatnami iz-za shodstva s metkami na shkure znamenitogo zemnogo hishnika. Vozniklo predpolozhenie, chto pyatna byli sozdany drevnei marsianskoi zhizn'yu.

Raketa pered Solncem
27.09.2025 | Astronomicheskaya kartinka dnya

Utrom 24 sentyabrya raketa peresekla yarkii solnechnyi disk. Eto udalos' zapechatlet' na teleskopicheskom snimke iz Orlando v shtate Florida, raspolozhennom primerno v 50 milyah k severu ot mesta zapuska v Kosmicheskom centre im.Kennedi. Raketa vyvela v kosmos tri novyh sputnika dlya issledovaniya kosmicheskoi pogody.

Komety SWAN, ATLAS i Mars
26.09.2025 | Astronomicheskaya kartinka dnya

Novaya gost'ya vnutrennei oblasti Solnechnoi sistemy – kometa C/2025 R2 (SWAN) demonstriruet dlinnyi ionnyi hvost, protyanuvshiisya po diagonali po polyu zreniya razmerom pochti v 7 gradusov na teleskopicheskom izobrazhenii, poluchennom 21 sentyabrya. Bolee tusklaya...

Protivostoyanie Saturna
25.09.2025 | Astronomicheskaya kartinka dnya

V etom godu protivostoyanie Saturna proizoshlo 21 sentyabrya – na nebe planety Zemlya planeta nahodilas' v tochke, protivopolozhnoi Solncu. Rasstoyanie ot Saturna do Zemli dostiglo godovogo minimuma, a ego yarkost' – maksimuma. Planeta voshodila pri zahode Solnca i siyala na nebe vsyu noch' sredi bolee tusklyh zvezd sozvezdiya Ryby.

GW250114: stolknovenie vrashayushihsya chernyh dyr
24.09.2025 | Astronomicheskaya kartinka dnya

Eto byl samyi moshnyi gravitacionno-volnovoi signal iz vseh zaregistrirovannyh, no chto on pokazal? Signal GW250114 byl zaregistrirovan dvumya plechami Lazerno-interferometricheskoi gravitacionno-volnovoi observatorii (LIGO) v shtatah Vashington i Luiziana v SShA v nachale etogo goda. Analiz pokazal, chto sobytie bylo vyzvano sliyaniem dvuh chernyh dyr.

Ravnodenstvie na Saturne
22.09.2025 | Astronomicheskaya kartinka dnya

Na Saturne kol'ca pokazyvayut vremya goda. Na Zemle segodnya nastupaet ravnodenstvie – zemnoi ekvator naklonen pryamo v storonu Solnca. Kol'ca Saturna obrashayutsya vokrug planety v ploskosti ekvatora, poetomu oni luchshe vsego vidny s napravleniya na Solnce, kogda os' vrasheniya Saturna naklonena v storonu Solnca.

Zakat v ravnodenstvie
21.09.2025 | Astronomicheskaya kartinka dnya

Zahodit li Solnce kazhdyi den' v odnom i tom zhe napravlenii? Net, napravlenie na tochku zahoda zavisit ot vremeni goda. Solnce vsegda zahodit v zapadnoi chasti neba, no tol'ko pri ravnodenstvii, kotoroe nastupaet zavtra, Solnce zahodit tochno na zapade.

Luna i Venera
20.09.2025 | Astronomicheskaya kartinka dnya

Vstavshie rannim utrom obitateli planety Zemlya mogli polyubovat'sya siyayushim polumesyacem Luny okolo sverkayushei Venery nad vostochnym gorizontom na utrennem sumerechnom nebe. Vchera, 19 sentyabrya, nablyudateli iz nekotoryh mest v severnom polusharii Zemli mogli uvidet', kak vnutrennyaya planeta Venera, faza kotoroi byla blizka k polnoi, proshla pozadi ubyvayushego polumesyaca Luny.

Kompleks NGC 6914
19.09.2025 | Astronomicheskaya kartinka dnya

Na etom cvetnom nebesnom peizazhe, kotoryi horosho podhodit dlya issledovaniya kosmicheskih kontrastov, zapechatleny zvezdy, pyl' i svetyashiisya gaz v okrestnostyah NGC 6914. Kompleks otrazhatel'nyh tumannostei nahoditsya na rasstoyanii okolo 6 tysyach svetovyh let v napravlenii na vysoko letyashee severnoe sozvezdie Lebedya, v ploskosti Mlechnogo Puti.