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99942 Apophis (provisional designation 2004 MN 4) is a near-Earth asteroid and a potentially hazardous object, 450 metres (1,480 ft) by 170 metres (560 ft) in size, [3] that caused a brief period of concern in December 2004 when initial observations indicated a probability of 2.7% that it would hit Earth on Friday, April 13, 2029.
It should look somewhat like a bright star streaking across the sky. Earth's gravity will significantly influence Apophis – squeezing and distorting the asteroid as one side is pulled toward our ...
Apophis hitting Earth is possible, study finds, but very unlikely Astronomers have long had their eye on the notorious Apophis, which was initially believed to pose a serious threat to Earth upon ...
Mercury occults Jupiter for the first time since 1708, but very close to the Sun and impossible to view with the naked eye. [31] 2090 September 23 Total solar eclipse in the United Kingdom. The next total eclipse visible in the UK follows a track similar to that of August 11, 1999, but shifted slightly further north and occurring very near sunset.
99942 Apophis: 0.3: June 19, 2004: First asteroid to rank greater than one on the Torino Scale (it was ranked at 2, then 4; now down to 0). Previously better known by its provisional designation 2004 MN 4. 152830 Dinkinesh I Selam: 0.22: November 1, 2023: First satellite discovered to be a contact-binary (433953) 1997 XR 2: 0.23: December 4, 1997
The mini-moon won't be visible to to the naked eye. The average home telescope won't be able to capture it, either. ... A 6.5 magnitude is generally the dimmest object the human eye can see. The ...
Vesta is the brightest of the four main-belt asteroids that can, on occasion, be visible to the naked eye. [70] On some rare occasions, a near-Earth asteroid may briefly become visible without technical aid; see 99942 Apophis.
The comet will look like a bright fireball with a long, extended tail, said Bill Cooke, lead of NASA's Meteoroid Environment Office at the Marshall Space Flight Center in Alabama, KABC-TV reported.