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Un pianeta, nascosto dall’oscurità e troppo lontano per riflettere la luce del Sole, si troverebbe ai confini del Sistema solare. Lo indicano calcoli effettuati dagli studiosi Michael Brown e Konstantin Batigyn e pubblicati sull’Astronomical Journal. La comunità scientifica, seppure prudente, sostiene che le affermazioni hanno una base solida.
I due ricercatori avevano iniziato a interessarsi del tema, per confutare l’esistenza del cosiddetto "nono pianeta". Ma, dopo aver formulato una serie di schemi, sono giunti alla conclusione che in verità la supposizione avanzata celava una verità.
IL VIDEO
RSI Info 20.01.2016, 23:30
Nessuno ha potuto osservarlo ma, dovrebbe avere un diametro da due a quattro volte più grande della Terra, particolarità che lo renderebbe il quinto pianeta dopo Giove, Saturno, Urano e Nettuno. Se confermata, la scoperta farebbe riscrivere i libri di astronomia e soprattutto costringerebbe a rivedere i modelli del Sistema Solare.
ANSA/AlesS
Dal TG12.30:
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