We could be just two days away from the launch of NASA's Artemis II mission, which is set to take four astronauts around the Moon and back, returning humans to the Moon for the first time since the Apollo missions.
Excitement is building and it feels, after a months of cancelled launches, like the planned 1st April lift-off may actually happen.
More on Artemis II
When it does lift off, anyone on the east coast of America near Florida and southern Georgia may have a chance to watch the rocket soaring through the sky.
Everyone else will have to watch the lift-off live online via NASA's feed, which you can find below.
But there is another way to keep up to date with the Artemis II mission in real time, and that's by tracking its journey around the Moon online or on your smartphone.
AROW and tracking Artemis II
NASA has announced that Artemis II's journey around the Moon will be available to track online and via a downloadable app called Artemis Real-time Orbit Website (AROW).
As soon as Artemis II launches, NASA says, AROW will show users exactly where the Artemis II Orion capsule carrying the four astronauts is, relative to the Moon.
The 10-day journey will see the Artemis II crew travel around the Moon and back, and data from the Orion capsule will be sent to Mission Control Center at NASA’s Johnson Space Center in Houston during the flight.
The AROW app will then provide that data for users, so the public can track the Artemis II mission's trip around the Moon.
It will show the Artemis II crew's distance from Earth, their distance from the Moon and the mission duration.
The smartphone app will also use the smartphone's location and show the user where in the sky the Artemis II Orion capsule is at any moment in time, relative to Earth.
This could be useful, for example, for anyone wanting to track the Artemis II spacecraft with a telescope.
The spacecraft may be visible through a telescope shortly after launch, but will be beyond the range of visibility as it approaches the Moon and its apparent size shrinks.
But beyond telescope observations, the NASA tracker app is a way of keeping track of the Artemis II mission in real time, from launch, to the Moon to splashdown.
AROW is available via NASA's Track Artemis website and via the NASA app.
