Astronomicheskaya kartinka dnya (APOD)

APOD: 2025 March 23 B Ancient Ogunquit Beach on Mars
22.03.2025 | Astronomicheskaya kartinka dnya

This was once a beach -- on ancient Mars. The featured 360-degree panorama, horizontally compressed, was taken in 2017 by the robotic Curiosity rover that explored the red planet. Named Ogunquit Beach after its terrestrial...

SuperCam Target on Maaz
21.03.2025 | Astronomicheskaya kartinka dnya

What's the sound of one laser zapping? There's no need to consult a Zen master to find out, just listen to the first acoustic recording of laser shots on Mars. On Mars...

Triplet L'va
20.03.2025 | Astronomicheskaya kartinka dnya

Etu izvestnuyu gruppu galaktik mozhno uvidet' na nebe rannim vecherom okolo martovskogo ravnodenstviya i vesnoi v severnom polusharii. Eto – triplet L'va – tri velikolepnye galaktiki sobralis' v odnom pole zreniya v sozvezdii L'va. Ih izobrazheniya vyglyadyat vpechatlyayushe, dazhe esli oni polucheny na nebol'shih teleskopah.

Analemma s solnechnym zatmeniem
19.03.2025 | Astronomicheskaya kartinka dnya

Eta posledovatel'nost' snimkov, sdelannyh s 10 marta 2024 goda po 1 marta 2025 goda, pokazyvaet, kak izmenyaetsya polozhenie Solnca ne nebe planety Zemlya v techenie goda. Figura, imeyushaya formu vos'merki, izvestna kak analemma.

Brilliantovoe kol'co ot "Golubogo prizraka"
18.03.2025 | Astronomicheskaya kartinka dnya

14 marta polnaya Luna proshla skvoz' temnuyu chast' zemnoi teni, obitateli planety Zemlya uvideli polnoe lunnoe zatmenie. Konechno, s vidimoi storony Luny eto astronomicheskoe yavlenie predstavlyalo soboi solnechnoe zatmenie. Kosmicheskii apparat "Goluboi prizrak", sovershivshii...

LDN 1235: tumannost' Akula
17.03.2025 | Astronomicheskaya kartinka dnya

Na Zemle ne naidetsya takogo bol'shogo morya, chtoby v nem pomestilas' tumannost' Akula. Etot prizrak hishnika ne predstavlyaet opasnosti, potomu chto on sostoit tol'ko iz mezhzvezdnyh gaza i pyli. Temnaya pyl', podobnaya pokazannoi zdes', chem-to pohozha na dym ot sigarety, ona voznikaet v holodnyh atmosferah gigantskih zvezd.

Shlem Tora
16.03.2025 | Astronomicheskaya kartinka dnya

U Tora est' ne tol'ko sobstvennyi den' nedeli – chetverg (Thor – Thursday), no i shlem v nebesah. NGC 2359 – imeyushee formu shlema kosmicheskoe oblako s pohozhimi na kryl'ya pridatkami, kotoroe obychno nazyvayut Shlemom Tora. Razmer Shlema Tora dostigaet 30 svetovyh let – dazhe skandinavskomu bogu on ne pokazhetsya malen'kim.

Venera i ul'trafioletovoe Solnce
15.03.2025 | Astronomicheskaya kartinka dnya

Eto bylo neobychnoe solnechnoe zatmenie. Obychno Solnce zatmevaetsya sputnikom Zemli – Lunoi. Odnako v iyune 2012 goda nastupila ochered' planety Venera. Kak i pri solnechnom zatmenii Lunoi, pri priblizhenii Venery k Solncu ona byla vidna kak vse bolee tonkii polumesyac. Nakonec, ih polozheniya na nebe sovpali, i faza Venery stala ravna nulyu.

Polnoe zatmenie nad Serro-Tololo
14.03.2025 | Astronomicheskaya kartinka dnya

14 marta nastupilo polnolunie. Po udachnomu sovpadeniyu v den' chisla π rasstoyanie ot Luny do Solnca po eklipticheskoi dolgote na nebe planety Zemlya sostavilo 3.14 radianov (180 gradusov). Eshe odnim syurprizom dlya lyubitelei chisla π i nochnogo neba stalo to, chto Luna proshla pryamo skvoz' temnuyu chast' zemnoi teni – proizoshlo polnoe lunnoe zatmenie.

Lunnoe π i ten' gory
13.03.2025 | Astronomicheskaya kartinka dnya

Kakaya faza u Luny, esli ee rasstoyanie ot Solnca – 3.14 radianov? Konechno, eto polnaya Luna. Hotya Luna kazhetsya polnoi v techenie neskol'kih dnei, nastoyashee polnolunie nastupaet, kogda rasstoyanie ot Luny do Solnca po eklipticheskoi dolgote sostavlyaet 3.14 radianov (ili 180 gradusov). Eto – protivopolozhnaya Solncu tochka na nebe planety Zemlya.