Watch Live: Stream Mars, Full Blood Moon Lunar Eclipse

Across the world on Friday evening, people will be heading outside to try to spot a blood moon and Mars high in the sky.

The red planet is getting closer to Earth than it's been in more than a decade. On Friday morning, Mars was in opposition, meaning it was directly in line with the sun and the Earth, with Earth right in the middle. Although the opposition is over, there is still time to make plans to view Mars while it is close to Earth.

The closest approach is actually set to happen on Tuesday. It will occur when Mars and Earth get close to each other in their orbit around the sun. It's not a frequent occurrence in terms of time on Earth for humans: The last time the two planets got this close was in August 2003. Even that approach was the closest Mars got to Earth in thousands of years, according to NASA.

Mars is close enough that there might be some features visible on it if the weather is clear.

"Through a telescope, you should be able to make out some of the light and dark features, and sometimes polar ice," according to NASA.

For those who don't have a telescope, the planet will still be visible, just not in great detail. The planet will be visible at sunset but higher in the sky and easier to see a few hours after sunset. Mars will be closer than usual to Earth through the end of August before it makes its way back to its usual distance and into its orbit around the sun.

The other remarkable sight to see Friday night in some parts of the world is a total lunar eclipse. A lunar eclipse is different than the sensational solar eclipse that the United States experienced last summer. A total lunar eclipse occurs when the Earth blocks the sun's light from reaching the moon, so the moon is fully in shadow.

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Map shows where the blood moon eclipse on July 27 will be visible. NASA

The eclipse won't be visible from the United States. Only people in Australia, Asia, Africa, Europe and South America will be able to see the full blood moon be fully eclipsed by the Earth, according to NASA.

The moon will actually appear red during the eclipse because what little light gets around the Earth and through the edges of the planet's atmosphere will appear to have a red and orange tint to it.

For those who aren't on one of the continents where the eclipse will be visible, there will be a live stream available to see the event. Mars will also be visible in an online live stream for those who can't get outside to see it or who have bad weather on the nights when it's closest.

The live stream below from Virtual Telescope is set to begin at 2:30 p.m. EDT. NASA will also have live views of the eclipse on its channel online.