Margaret Harwood
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Jun 25, 2024 · Here's everything you need to know about comet Tsuchinshan-ATLAS, from when to see it to where to find it in the night sky come September and October. What Is Comet Tsuchinshan-ATLAS?
Jul 9, 2024 · Comets are large objects made of dust and ice that orbit the Sun. Best known for their long, streaming tails, these ancient objects are leftovers from the formation of the solar system 4.6 billion years ago. Comets, such as the comet ISON pictured here, are thought to hold material from the time when the Sun and planets were forming.
2 days ago · Halley's Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, appearing every 72–80 years. It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061.
Jun 28, 2024 · Halley’s Comet, the first comet whose return was predicted and, almost three centuries later, the first to be imaged up close by interplanetary spacecraft. In 1705 English astronomer Edmond Halley published the first catalog of the orbits of 24 comets. His calculations showed that comets observed.
- Paul Weissman
Jul 10, 2024 · Discovered in early 2023, the comet had the possibility of brightening substantially around the time of its closest approach to Earth and the sun in October, 2024. But in recent months, as...
3 days ago · 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.
4 days ago · An impact event is a collision between astronomical objects causing measurable effects. [1] Impact events have been found to regularly occur in planetary systems, though the most frequent involve asteroids, comets or meteoroids and have minimal effect.
