12 小时之前 · Published last month in The Planetary Science journal, the study “represents a significant step” toward linking the distribution of heat within the disk and the formation of Jupiter’s largest moons, says Zhaohuan Zhu, an astrophysicist at the University of Nevada, Las Vegas. Edward Guinan, an astrophysicist at Villanova University, adds ...

9 小时之前 · Planet parades: Planetary alignments aren’t rare, but 6 visible planets are The crescent moon joins the planets Mercury, Venus, Uranus, Mars, Jupiter and Saturn in alignment in 2022 over ...

13 小时之前 · Science; Feb 11, 2025 20:28 pm IST. Published On Feb 11, ... However, unlike Earth's circular orbit, HD 20794 d follows an elliptical path, making it uncertain whether the planet could support life.

1 天前 · Meet Quipu, a new contender for the largest known structure in the universe. It’s essentially a giant cluster of galaxy clusters stretching approximately 1.3 billion light-years long—more than ...

1 天前 · NASA's Pandora satellite mission to document at least 20 known planets orbiting distant stars will start from SpaceX at its Starbase launch facility in Cameron County, Texas. ... Science News // 3 ...

1 天前 · What is the Earth's inner layer and how does it affect the life of the planet. The Earth's inner layer is a hot solid metal ball surrounded by an outer core of liquid metal, experts say. Scientists have guessed that its shape changes over time as it rotates. For decades, planetary scientists have suspected that the solid inner core deformed ...

9 小时之前 · The first spacecraft to successfully explore another planet was NASA’s Mariner 2 mission. It passed within 35,000km of Venus on December 14 1962. It passed within 35,000km of Venus on December ...

15 小时之前 · Our planet’s inner core might have taken a new shape in the past 20 years. The edges of the Earth’s inner core, which is a circle, have likely deformed by 100 metres or more in height in some places, a study published in the scientific journal Nature Geoscience reveals.

1 天前 · U.S. researchers reveal Earths inner core changes speed and shape over 20 years Scientists discover significant shifts in Earths core dynamics, revealing implications for our planets magnetic field.

20 小时之前 · The team noticed changes at the planet's centre and the findings shed light on the role that topographical activity plays in rotational changes in the inner core. Listen to Story The team noticed changes at the planet's centre The new study focussed on the seismic waveform data The team analysed 121 ...