Question

Which sentence best supports the idea that Neptune is far away from the sun?
Our Amazing Solar System
by NASA and STScI (adapted excerpt)
Very little was known about Neptune and its atmosphere until Voyager 2 arrived at the planet in 1989. Voyager revealed a banded cloud
structure and a storm that was called the Great Dark Spot. Neptune's axis is tilted similar to Earth's. Neptune therefore exhibits seasonal
changes. However, the seasons on Neptune last for decades, not months as on Earth. In fact, Neptune has only completed one orbit of the Sun
since its discovery in 1843. It is remarkable that Neptune exhibits any evidence of seasonal change at all, given that the Sun, as viewed from the
planet, is 900 times dimmer than it is from Earth. Still, Hubble has been able to observe such changes.
Hubble's near-infrared capabilities allow the telescope to observe high-altitude clouds on Neptune that are useful for tracking seasonal
changes. In fact, Hubble images taken in the late 1990s showing that cloud bands on Neptune were getting wider and brighter were considered
the first observational evidence that the planet undergoes a change of seasons.
In 2002, astronomers using Hubble noted that the abundance of high-altitude clouds increased the planet's brightness from observations made
in the late 1990s. Astronomers consider this brightness increase a sign of seasonal change. Hubble studies show that Neptune has a nearly
constant brightness at low latitudes (near the equator). This supports the idea that the observed changes are seasonal in nature, because
seasonal effects would be minimal near the equator and most evident at high latitudes.

Answer 1

Explanation:

It is remarkable that Neptune exhibits any evidence of seasonal change at all, given that the Sun, as viewed from the

planet, is 900 times dimmer than it is from Earth.

Answer 2

Neptune has only completed one orbit of the Sun since its discovery in 1843, the given statement supports the idea that Neptune is far away from the Sun.

What were the Hubble's discoveries about the solar system?

Hubble has helped scientists learn about our solar system as he photographed distant galaxies and showed the Universe as it was.

"Our Amazing Solar System" book focuses on the Hubble's discoveries about the planets, galaxy, moons etc.

Hubble’s explorations changed the fundamental understanding of the scientists about the universe.

Learn more about Hubble’s discoveries here:-

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