Antares has a radius (not raduis) equivalent to approximately 883 solar radii.
Perhaps Antares has its own solar system.
Antares is bigger than V382 Carinae. but they are very close in size. V382 Carinae has a radius of 747 solar radii but Antares is 822 solar radii.
In our solar system: the Sun. In the galaxy it's Antares, compared to Antares the Sun is the size of one pixel!!!!!!!
Rigel: 71 solar radiiAntares: 883 solar radii.So Antares is over twelve times larger than Rigel.See related link for a pictorial of the difference (Section 5).
The star Antares is approximately 600 light years away from our solar system. See the related link for more information.
Antares (Alpha Scorpii) is a huge red hypergiant star, with a radius 800 times that of our own sun. There are some bigger stars though, such as Betelgeuse (1180 solar radii) and V354 Cephei (1520 solar radii), but the biggest known star is VY Canis Majoris, which is estimated to have a diameter between 1800 and 2100 times that of our own sun. If it were in the centre of our solar system its edges would almost reach the orbit of Saturn.
It is simply not practical to get solar power from far-way stars. Sure, the light could be concentrated, but there are much cheaper ways to get energy, including getting energy from our own Sun. In the event that at some time in the future a mission goes to Antares, then they may get power from Antares, once they are close. The amount of power obtained will depend on how close they are to the star.
Out of that list, Alpha Centauri is the nearest star to Earth. But there is one closer: Proxima Centauri is a tiny, dim red dwarf star; "near" Alpha Centauri only by astronomical standards, it is still 3 light MONTHS away. But that's still 3 light months closer to the Sun.
The length of a radius (not raduis) is diameter/2.
No, it cannot be a raduis. It cannot be a radius, either.
The radius (not raduis) is approx 60,268 km.
Antares is a red supergiant. It is approximately 800 times larger than our own Sun.The Sun has a diameter of 1.392 million kilometers so Antares is approximately 1.113 billion kilometers. This means that about 512 million Suns would fit inside Antares.Light would take about 1 hour to cover this distance.See related links for more information and pictorial size representation