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「因為如果它看起來不像鴨子,那它可能就不是鴨子,」他解釋說,「因為它與長期證據、長期趨勢差距太大。」
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But questions remain about how realistic the goal and timeframe are, given recent and steep Nasa budget cuts, and some scientists are concerned that the plans are driven by geopolitical goals.
Two influential Brazilian politician brothers have been convicted by Brazil’s supreme court of ordering the murder of Marielle Franco, the Rio de Janeiro city councillor, nearly eight years ago.
Фото: Belkin Alexey / news.ru / Globallookpress.com