Web Search Results for "Asteroids"

In Depth | Asteroids - NASA Solar System Exploration
19 Nov 2024 at 2:01am
Asteroids, sometimes called minor planets, are rocky remnants left over from the early formation of our solar system about 4.6 billion years ago. The current known asteroid count is: . Most of this ancient space rubble can be found orbiting our Sun between Mars and Jupiter within the main asteroid belt.

Asteroids, Comets & Meteors - NASA Solar System Exploration
20 Nov 2024 at 7:15am
Our solar system?s small bodies ? asteroids, comets, and meteors ? pack big surprises. These chunks of rock, ice, and metal are leftovers from the formation of our solar system 4.6 billion years ago.

In Depth | Perseids ? NASA Solar System Exploration
18 Nov 2024 at 7:18am
The Perseid meteor shower, which peaks in mid-August, is considered the best meteor shower of the year. With swift and bright meteors, Perseids frequently leave long "wakes" of light and color behind them as they streak through Earth's atmosphere.

The Usual Suspects: a Rogues Gallery of Asteroids, Comets and Other ...
16 Nov 2024 at 2:37pm
Here?s a lineup of the perpetrators, or at least the survivors and witnesses?various kinds of small bodies that orbit the Sun and sometimes impact planets and each other: Asteroids | Comets | Kuiper Belt Objects | Centaurs | Trojans | Meteors | Interstellar Visitors.

In Depth | 1P/Halley ? NASA Solar System Exploration
18 Nov 2024 at 1:01pm
Astronomers have now linked the comet's appearances to observations dating back more than 2,000 years. Halley was last seen in Earth's skies in 1986 and was met in space by an international fleet of spacecraft. It will return in 2061 on its regular 76-year journey around the Sun.

Small Bodies Community White Paper: Asteroids
10 Nov 2024 at 4:10pm
This paper identifies the top-level science issues, mission priorities, research and technology needs, and programmatic balance for the exploration of Asteroids. This paper was organized by the Small Bodies Assessment Group.

Vesta and Ceres: What We Knew About These Worlds Before and After Dawn
18 Nov 2024 at 12:29am
During its decade-long journey, Dawn has observed planet-like worlds Vesta and Ceres, collecting detailed data about the two fascinating bodies in the main asteroid belt.

Astrobiology Research Priorities for Primitive Asteroids
26 Oct 2024 at 2:47pm
Study of primitive asteroids is fundamental to understanding the origin, distribution, and evolution of volatile and organic compounds in the early Solar System. This paper outlines six major research focus areas and recommends three mission concepts, which are listed in priority order.

The Trojan Asteroids: Keys to Many Locks - NASA Solar System Exploration
17 Nov 2024 at 8:59am
The Trojan asteroids of Jupiter lie at the crux of several of the most interesting outstanding issues regarding the formation and evolution of the Solar System. We present science questions centering on the Trojans are lay out recommendations for their future study and exploration.

In Depth | Oumuamua ? NASA Solar System Exploration
18 Nov 2024 at 8:03pm
The first known interstellar object to visit our solar system, 1I/2017 U1 ?Oumuamua, was discovered Oct. 19, 2017 by the University of Hawaii?s Pan-STARRS1 telescope, funded by NASA?s Near-Earth Object Observations (NEOO) Program, which finds and tracks asteroids and comets in Earth?s neighborhood. While originally classified as a comet ...



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