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NASA’s Dawn captures closest-yet images of Ceres

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NASA's spacecraft Dawn credit: www.nasa.gov

By NewsGram Staff-Writer

NASA’s orbital spacecraft Dawn has sent the closest images of the dwarf planet called Ceres. The stunning pictures display Ceres’ cater formation features with tall conical mountains and narrow braided fractures on it.

credit: www.nbcnews.com
credit: www.nbcnews.com

“Dawn’s view is now three times sharper than its previous mapping orbit, revealing exciting new details of this intriguing dwarf planet,” said Marc Rayman, Dawn’s chief engineer and mission director at NASA’s Jet Propulsion Laboratory in California.

At its current orbital altitude of 1,470 km, Dawn takes 11 days to capture and return images of Ceres’ whole surface. Over the next two months, the spacecraft will map the entirety of Ceres six times. The spacecraft is using its framing camera to extensively map the surface, enabling 3-D modelling. Every image from this orbit has a resolution of 450 feet per pixel, and covers less than one percent of the surface of Ceres.

At the same time, Dawn’s visible and infra-red mapping spectrometer is collecting data that will give scientists a better understanding of the minerals found on Ceres’ surface. Engineers and scientists will now refine their measurements of Ceres’ gravity field which will help mission planners in designing Dawn’s next orbit.

Dawn is the first spacecraft to visit a dwarf planet, and also the first to orbit two distinct solar system targets. In late October, Dawn will begin spiralling toward the final orbit, which will be at an altitude of 375 km.

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India Aborts Launch of Spacecraft Intended to Land on Far Side of Moon

The Chandrayaan-2 mission was called off when a “technical snag” was observed in the 640-ton, 14-story rocket launcher

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India, Spacecraft, Moon
A spectator holds an Indian flag after a mission of Indian Space Research Organization's Chandrayaan-2, with the Geosynchronous Satellite Launch Vehicle on board was called back because of a technical snag in Sriharikota, India, July 15, 2019. VOA

India aborted the launch Monday of a spacecraft intended to land on the far side of the moon less than an hour before liftoff.

The Chandrayaan-2 mission was called off when a “technical snag” was observed in the 640-ton, 14-story rocket launcher, Indian Space Research Organization spokesman B.R. Guruprasad said.

The countdown abruptly stopped at T-56 minutes, 24 seconds, and Guruprasad said that the agency would announce a revised launch date soon.

Chandrayaan, the word for “moon craft” in Sanskrit, is designed for a soft landing on the lunar south pole and to send a rover to explore water deposits confirmed by a previous Indian space mission.

India, Spacecraft, Moon
FILE – Indian space scientist and Chairman of the Indian Space Research Organization Kailasavadivoo Sivan speaks during a press conference at the ISRO headquarters Antariksh Bhavan, in Bangalore, June 12, 2019. VOA

With nuclear-armed India poised to become the world’s fifth-largest economy, the ardently nationalist government of Prime Minister Narendra Modi is eager to show off the country’s prowess in security and technology. If India did manage the soft landing, it would be only the fourth to do so after the U.S., Russia and China.

Dr. K. Sivan, chairman of the Indian Space Research Organization, said at a news conference last week that the estimated $140 million Chandrayaan-2 mission was the nation’s “most prestigious” to date, in part because of the technical complexities of soft landing on the lunar surface, an event he described as “15 terrifying minutes.”

After countdown commenced Sunday, Sivan visited two Hindu shrines to pray for the mission’s success.

Criticized program pays off

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Practically since its inception in 1962, India’s space program has been criticized as inappropriate for an overpopulated, developing nation.

But decades of space research have allowed India to develop satellite communications and remote sensing technologies that are helping solve everyday problems at home, from forecasting fish migration to predicting storms and floods.

With the 50th anniversary of the Apollo 11 mission this month, the world’s biggest space agencies are returning their gaze to the moon, seen as ideal testing grounds for technologies required for deep space exploration, and, with the confirmed discovery of water, as a possible pit stop along the way.

“The moon is sort of our backyard for training to go to Mars,” said Adam Steltzner, NASA’s chief engineer responsible for its 2020 mission to Mars.

India, Spacecraft, Moon
India aborted the launch Monday of a spacecraft intended to land on the far side of the moon less than an hour before liftoff. Pixabay

Seeking water on the moon

Because of repeated delays, India missed the chance to achieve the first soft landing near the lunar south pole. China’s Chang’e 4 mission landed a lander and rover there last January.

India’s Chandrayaan-1 mission orbited the moon in 2008 and helped confirm the presence of water. The Indian Space Research Organization wants its new mission’s rover to further probe the far side of the moon, where scientists believe a basin contains water-ice that could help humans do more than plant flags on future manned missions.

The U.S. is working to send a manned spacecraft to the moon’s south pole by 2024.

Also Read- Around 53% People Interested in Travelling to Space: Survey

Modi has set a deadline of 2022 for India’s first manned spaceflight. (VOA)