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99942 Apophis (provisional designation 2004 MN4) is a near-Earth asteroid and a potentially hazardous object with a diameter of 370 metres (1,210 feet) [ 3 ] that caused a brief period of concern in December 2004 when initial observations indicated a probability up to 2.7% that it would hit Earth on April 13, 2029.
In a bit of ominous news befitting a Friday the 13th: It turns out that the asteroid Apophis could have a very small chance of colliding into Earth in five years, when it is expected to make a ...
Officially known as Comet 12P/Pons-Brooks, the celestial object made its closest pass of the sun on April 21, coming within 74.4 million miles (119.7 million kilometers) of our star. The comet ...
On Monday, just before 8 p.m., the much anticipated comet, which has reached its closest point to the Earth, put on a show for those who were watching in the Bay Area. C/2023 A3 was discovered on ...
This is a list of asteroids that have impacted Earth after discovery and orbit calculation that predicted the impact in advance. As of January 2024 [update], all of the asteroids with predicted impacts were under 5 m (16 ft) in size that were discovered just hours before impact, and burned up in the atmosphere as meteors. Asteroid designation.
Comet Swift–Tuttle (formally designated 109P/Swift–Tuttle) is a large periodic comet with a 1995 (osculating) orbital period of 133 years that is in a 1:11 orbital resonance with Jupiter. It fits the classical definition of a Halley-type comet, which has an orbital period between 20 and 200 years. [ 4 ] The comet was independently ...
The Oort Cloud comet called C/2023 A3 Tsuchinshan-ATLAS will make its first close pass by Earth in mid-October and won’t be back for another 80,000 years Image credits: Gerald Rhemann Image ...
The European Space Agency's Herschel Space Observatory spotted Apophis during the approach to Earth on Jan. 5 and 6, 2013. The image shows the asteroid in three wavelengths. (European Space Agency )