Unlike other space agencies and their missions' logos, ESA likes to keep their mission logos consistent as a part of the Brand Identity™. Fun Fact: The ESA branding team is only made up of two people
This post will go over the history of ESA's mission logo design standard
The first ESA mission logo design standard existed from around the early 2000s to 2009
These logos were squares rotated at a 45º angle, usually have a dark blue background, have the ESA logo on the top corner and the mission name on the bottom right corner, and have some sort of unique design in the square for their mission. Some of these missions have newer logos as their missions have operated through different design eras.
The second era of ESA's brand design was from 2009-2020. This change was intended to prepare ESA's brand for digital media, as the shift to media online was happening at the time.
ESA introduced new fonts that would be used on everything, including the mission logos. The fonts NotesESA and NotesStyle are still used today in ESA's current brand era from 2020-.
These featured a circular background, with a design ment to signify if it was a solar system exploration mission or an astronomy mission. Over the circle is a design of the spacecraft, with a red gradient. The mission name is to the left in the NotesStyle font.
The current design standard was introduced in 2020, and still incorporated many of the design elements of the previous desings, such as the fonts and mission logos.
ESA would introduce new colors that signify the type of mission it is. This was also the first time all missions and programs share the same logo standard, not just the science missions.
The science logos, with the red design, take elements from the previous designs, such as the circular background design signifying the type of mission and also a picture of the spacecraft on top of it. However, the text is now in the circle and the ESA logo is now on the top of the logo. For other types of missions, such as Space Safety, with the blue design, the logo has the same border but have a unique design in the center.
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Lava and debris brighten Mercury's surface by European Space Agency
Via Flickr:
This is one of a series of images taken by the ESA/JAXA BepiColombo mission on 8 January 2025 as the spacecraft sped by for its sixth and final gravity assist manoeuvre at the planet. Monitoring camera 2 (M-CAM 2) took this photo at 07:17 CET, when the spacecraft was about 2103 km from the planet’s surface. The spacecraft’s closest approach of 295 km took place on the planet's night side at 06:59 CET. The bright patch near the planet's upper edge in this image is the Nathair Facula, the aftermath of the largest volcanic explosion on Mercury. At its centre is a volcanic vent of around 40 km across that has been the site of at least three major eruptions. The explosive volcanic deposit is at least 300 km in diameter. Nathair Facula is a major target for several BepiColombo instruments, which will measure the composition of the erupted material. This will teach us about what Mercury is made of, and how the planet formed. Also visible is the relatively young Fonteyn crater, which formed a ‘mere’ 300 million years ago. Its youth is apparent from the brightness of the impact debris that radiates out from it. Older material on Mercury's surface has become much darker from weathering as it aged. Rustaveli, seen roughly in the centre of Mercury in this image, is about 200 km in diameter. Within its rim is a ring of peaks, making it a so-called peak ring basin. These peaks barely poke above smooth material on Rustaveli’s floor, which suggests the crater has been flooded by lava. Interestingly, NASA’s Messenger spacecraft detected a magnetic signal coming from Rustaveli. When molten rock such as lava or impact melt solidifies, magnetic carriers within it align with the direction of the planet's magnetic field. As the planetary magnetic field naturally changes over time, eventually the 'locked in' magnetic field in the planet's crust no longer agrees with the planetary magnetic field, something that can be detected from space. BepiColombo's two magnetometer instruments will investigate this further. In the foreground of the image, the Mercury Planetary Orbiter’s medium gain antenna (top centre) and magnetometer boom (right) are visible. [Technical details: This image of Mercury's surface was taken by M-CAM 2 onboard the Mercury Transfer Module (part of the BepiColombo spacecraft), using an exposure time of 4 millseconds. Taken from a distance of around 2103 km, the surface resolution in this photograph is around 2330 m/pixel. The image has been lightly processed; its brightness and contrast have been adjusted.] [Image description: Planet Mercury in the background with its grey, cratered, pockmarked surface. In the foreground are some spacecraft parts.] Credits: ESA/BepiColombo/MTM; CC BY-SA 3.0 IGO
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On Sunday 1 December 2024, BepiColombo flew past the planet Mercury for the fifth time, readying itself for entering orbit around the solar system's mysterious innermost planet in 2026.
The spacecraft flew between Mercury and the sun, getting to within 37,630 km from the small planet's surface at 15:23 CET. This is much farther than its first four flybys of the planet, when BepiColombo flew as close as 165–240 km from the surface.
What made this flyby special is that it was the first time that BepiColombo's MERTIS instrument was able to observe Mercury. This radiometer and thermal infrared spectrometer will measure how much the planet radiates in infrared light, something that depends on both the temperature and composition of the surface.
This was the first time that any spacecraft measured what Mercury looks like in mid-infrared wavelengths of light (7–14 micrometers). The data that MERTIS will collect throughout the mission will reveal what types of minerals the planet's surface is made of, one of the key Mercury mysteries that BepiColombo is designed to tackle.
BepiColombo's other science instruments will monitor the environment outside Mercury's magnetic field. Among other things, they will measure the continuous (but changeable) stream of particles coming from the sun known as the solar wind.
The other instruments switched on during this flyby are the magnetometers MPO-MAG and MMO-MGF, the MGNS gamma-ray and neutron spectrometer, the SIXS X-ray and particle spectrometer, the MDM dust monitor and the PWI instrument that detects electric fields, plasma waves and radio waves.
BepiColombo, a joint mission between ESA and the Japan Aerospace Exploration Agency (JAXA), will be the second and most complex mission ever to orbit Mercury. It comprises two science orbiters: ESA's Mercury Planetary Orbiter and JAXA's Mercury Magnetospheric Orbiter. While on their way to Mercury, the two orbiters are both attached to the Mercury Transfer Module.