After nearly 30 years, NASA realized this near-Earth asteroid is actually a comet. The discovery may help us defend the planet some day. Astronomers discovered that a near-Earth asteroid is actually a comet that could help scientists identify more hidden comets and improve planetary defense.
A apuração publicada por www.space.com vira base para uma leitura editorial direta e contextualizada.
Trechos de apoio da pauta: A near-Earth object that astronomers believed was an asteroid for nearly three decades has been unmasked as a faint, active comet, revealing a case of cosmic mistaken identity that could help improve planetary defense.The object, known since its discovery in 1998 as 1998 SH2, appeared to be an ordinary asteroid. It follows a 4.5-year orbit around the sun and showed no obvious signs of cometary activity, such as the glowing coma or tail produced when sunlight vaporizes surface ice.
- Ponto de atenção: after.
- Ponto de atenção: nearly.
- Ponto de atenção: years.
Em resumo, a leitura editorial acompanha o impacto do tema no nicho Lifestyle.
