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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.
Apophis is of interest because it’s an S-type, or stony, asteroid — different from other space rocks visited by NASA missions, including Bennu, which is a C-type, or carbonaceous, asteroid.
A huge asteroid will fly by Earth in April 2029. ... Paul Chodas and Mark Haynes are studying the 1,100-foot wide asteroid Apophis, which will come within viewing distance of Earth on April 13 ...
(99942) Apophis (a near-Earth asteroid 370 meters in diameter) became the first object rated level 2 on 23 December 2004, [79] and was subsequently upgraded to level 4 — the current record for highest Torino rating. [79] (It is now known Apophis will pass 38000 km from Earth on 13 April 2029.)
September 13, 2024 at 10:58 AM. 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 ...
OSIRIS-REx in Launch Configuration. OSIRIS-REx[ a ] was a NASA asteroid-study and sample-return mission that visited and collected samples from 101955 Bennu, a carbonaceous near-Earth asteroid. [ 14 ] The material, returned in September 2023, is expected to enable scientists to learn more about the formation and evolution of the Solar System ...
One of those is an asteroid with the name Apophis. First discovered in 2004, Asteroid 99942 Apophis measures across at 1,100 feet and is expected to make a very close brush with Earth in the next ...
The 33-year period of the Leonids led astronomers to suspect that they originate from a comet that would today be classified as an NEO, which was confirmed in 1867, when astronomers found that the newly discovered comet 55P/Tempel–Tuttle has the same orbit as the Leonids. [33] The first near-Earth asteroid to be discovered was 433 Eros in ...