"ULYSSES" nad yuzhnym polyusom Solnca
9.09.2000 20:31 | Russkii Pereplet

8 sentyabrya mezhplanetnaya stanciya "Ulysses", sovershayushaya polet po geliocentricheskoi orbite, vtoroi raz v hode svoego desyatiletnego sushestvovaniya proshla nad yuzhnym polyusom Solnca. Eto tem bolee vazhno, chto priblizhaetsya pik solnechnoi aktivnosti. Vpervye stanciya prohodila nad yuzhnym

Luna i zvezda v rentgenovskih luchah
9.09.2000 | Astronomicheskaya kartinka dnya

Na privedennyh zdes' izobrazheniyah, postroennyh na osnove dannyh nablyudenii kosmicheskoi observatorii ROSAT (ROentgen SATellite) i poluchennyh do (sleva) i posle (sprava) pokrytiya Lunoi galakticheskogo rentgenovskogo istochnika GX5-1, vidno, kak rentgenovskaya zvezda ischezaet, skryvshis' za diskom Luny. Cveta uslovnye: zheltyi sootvetstvuet otnositel'no bolee zhestkomu rentgenovskomu izlucheniyu (t.e.