The Solar Polar Orbit Observatory (SPO) is a planned

space probe Uncrewed spacecraft or robotic spacecraft are spacecraft without people on board. Uncrewed spacecraft may have varying levels of autonomy from human input, such as remote control, or remote guidance. They may also be autonomous, in which th ...

aimed at studying the

Sun The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light a ...

at various latitudes. It will be operated by the

China National Space Administration The China National Space Administration (CNSA) is a government agency of the People's Republic of China headquartered in Haidian District, Haidian, Beijing, responsible for civil space administration and international space cooperation. These ...

(CNSA) as part of their National Space Science Medium- and Long-Term Development Plan, and aims to be the first

heliocentric Heliocentrism (also known as the heliocentric model) is a Superseded theories in science#Astronomy and cosmology, superseded astronomical model in which the Earth and Solar System, planets orbit around the Sun at the center of the universe. His ...

polar orbiter since

NASA The National Aeronautics and Space Administration (NASA ) is an independent agencies of the United States government, independent agency of the federal government of the United States, US federal government responsible for the United States ...

and ESA's ''

Ulysses Ulysses is the Latin name for Odysseus, a legendary Greek hero recognized for his intelligence and cunning. He is famous for his long, adventurous journey home to Ithaca after the Trojan War, as narrated in Homer's Odyssey. Ulysses may also refer ...

'' in 1990. Aiming to launch in 2029, the SPO's trajectory calls for the spacecraft to make a

gravity assist A gravity assist, gravity assist maneuver, swing-by, or generally a gravitational slingshot in orbital mechanics, is a type of spaceflight flyby (spaceflight), flyby which makes use of the relative movement (e.g. orbit around the Sun) and gra ...

Earth Earth is the third planet from the Sun and the only astronomical object known to Planetary habitability, harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all ...

in order to reach the orbit of

Jupiter Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a Jupiter mass, mass more than 2.5 times that of all the other planets in the Solar System combined a ...

. There, it would flyby the planet to place it out of the

ecliptic The ecliptic or ecliptic plane is the orbital plane of Earth's orbit, Earth around the Sun. It was a central concept in a number of ancient sciences, providing the framework for key measurements in astronomy, astrology and calendar-making. Fr ...

, and would subsequently make further assists off of Earth to lower its aphelion. Along the way, it would be making studies of the Sun's poles as it passed overhead. The SPO is also slated to carry numerous instruments in order to capture the first imaging operations of the solar polar regions, as well as making a "cloud map" of interplanetary space around the Sun. Such instruments include an

ultraviolet Ultraviolet radiation, also known as simply UV, is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight and constitutes about 10% of ...

and

x-ray telescope An X-ray telescope (XRT) is a telescope that is designed to observe remote objects in the X-ray spectrum. X-rays are absorbed by the Earth's atmosphere, so instruments to detect X-rays must be taken to high altitude by balloons, sounding rockets ...

, several coronagraphs, and a radio spectrometer. Additionally, it plans on carrying a handful of ion analyzers as well as a

magnetometer A magnetometer is a device that measures magnetic field or magnetic dipole moment. Different types of magnetometers measure the direction, strength, or relative change of a magnetic field at a particular location. A compass is one such device, ...

References

{{DEFAULTSORT:Solar Polar Orbit Observatory Chinese space probes 2029 in spaceflight Missions to the Sun 2029 in China Proposed space probes Solar space observatories Missions to Jupiter

See also

References