Dimensions Guide

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Although they are well known, several facts about meteors are still not well understood. Get familiar with the size of meteors and how their dimensions can vary. Determine the difference between meteors, meteoroids and other heavenly objects.

Using powerful instruments, astronomers are now able to detect even the smallest stars. Discover what the smallest star is and its vital statistics. Get the facts and figures concerning the smallest stars and how it compares size wise with other planets.

What is the biggest planet? It is definitely Jupiter. In fact, it is twice and a half bigger than the size of the other eight planets in the solar system combined.

Comets can range in size from a hundred meters to several tens of kilometers in diameter. Omens of change, death and war, comets have been noted in history and literature.

The first asteroid ever discovered also happens to be the largest. But more than that, the heavenly body known as Ceres is also thought to be a planet itself.

There may be a couple of beliefs linked to what is the biggest star known to exist. A handful may come up but many astronomers believe that some of the estimates that were studied can point to one of the largest known star in the galaxy.

The size of the solar system can be measured in different ways depending on what is measured. It consists of planets, dwarf planets, asteroid belt, Kuiper belt, the Oorto Cloud and others.

Pluto is a dwarf planet noted for its striking color contrasts. In spite of its distance, the size of Pluto and some of its features are now known. Explore the facts about Pluto and what explorations are scheduled in the future.

The fourth planet from the Sun, Mars has always been a source of fascination for people. Although the size of Mars makes it smaller than Earth, it has many striking features. Discover facts about Mars, its atmosphere and physical characteristics.

Black holes can get as big as 5 to 5 billion suns, enough to swallow dozens of solar systems. A black hole’s size is measured from the event horizon to the center of its gravitional pull.