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Planets

Lonely Pluto Is More than a Speck

With Saturn pointing the way, it's easy to venture into the Kuiper Belt this summer and pay a visit to Pluto.

Explore the Night with Bob King

A Spoonful of Saturn to Sweeten the Night

Move over Jupiter, it's time for Saturn to shine! At opposition this week, the ringed planet is at its brightest and closest for the year.

Flakey Red Spot

Planets

Jupiter Is Outstanding at Opposition

Prime-time Jupiter viewing kicks off this month when the planet reaches opposition on June 10th. 

Explore the Night with Bob King

Venus Occults a Star and Mercury Joins Jupiter on the Winter Solstice

Bring in winter with a bang with a beautiful, close conjunction and a rare planet-star occultation.

Mars does do-si-do with Neptune

Explore the Night with Bob King

Mars and Neptune Have a Close Shave

Want to find Neptune the easy way? Just point your binoculars or telescope at Mars the next few nights, when the two planets will be in close conjunction.

Explore the Night with Bob King

Observing Earth from the Moon

Ever wondered what it would be like to see the Earth from the Moon? Join Bob King as he explores this from the perspective of the Apollo 17 astronauts.

Explore the Night with Bob King

The Outer Planets Move In, plus an "Old Moon" Observing Challenge

As the bright planets march westward, Uranus and Neptune become the fresh new faces of fall. And if you've never seen an ultra-thin lunar crescent, here's your chance.

Celestial Objects to Observe

A Jupiter Almanac

Find information on observing Jupiter during its 2018 - 2019 apparition, including information on its moons and Great Red Spot transit predictions.

Eight planets await

Planets

See All Eight Planets in One Night

Four planets are great, but how about eight? You can see them all in a single night in the next couple weeks — if you play your cards right.

Explore the Night with Bob King

Observers Anxious for Dust to Settle as Mars Opposition Approaches

With opposition only weeks away, will the current global dust storm finally break? We look at the prospects.

One explosion begets another

Explore the Night with Bob King

Fireworks, Planets, Comets, a Nova — July's Got it All!

July's a busy month for skywatching. Not only are five bright planets in view, but three comets and a newly-discovered nova are also observable. And it all starts with a bang on Independence Day.

Planets

See Saturn at Its Highest & Brightest This Week

Saturn arrives at opposition on June 27th, very close to the time of full Moon.

Planets

Big Dust Storm Blows up on Mars (Updated)

Will Mars soon be hidden under a veil of dust? Let's hope not. We explore the current storm and the planet's upcoming close opposition.

Celestial Objects to Observe

Observe Changes on Mars

The nearby Red Planet displays remarkable changes every apparition. As Mars approaches opposition, keep an eye out for some of these differences.

Planets

Venus Peeps Back Into View at Dusk

After a long drought, a bright planet emerges in the western sky. Welcome back, Venus!

Planets

Venus and Mars Kiss at Dawn

Be sure to set the alarm so you don't miss the squeaky-tight conjunction of Venus and Mars Thursday morning. They'll stay close through the weekend.

Celestial Objects to Observe

Find Jupiter's Moons - Interactive Observing Tool and App

Use our interactive observing tool to say which of the planet's four largest moons is which.

Celestial Objects to Observe

Transit Times of Jupiter's Great Red Spot

Calculate when the Great Red Spot will cross Jupiter's central meridian — that's the best time to see the famous storm through your telescope.

Planets

Find Saturn's Moons: Interactive Observing Tool and App

With help from our interactive JavaScript utility, you can always tell which of Saturn's brightest moons is which.

Planets

The Elusive Moons of Uranus

Take the observing challenge: Find as many as five of the brightest moons of Uranus in a large backyard telescope using our interactive observing tool.

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